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Screws

 (77 product groups)

We are proud to stock a large variety of screws here at Essentra, featuring many different types of screws covering a multitude of applications. Our diverse offering includes machine screws, socket head cap screws, binding screws and more.

Screw Heads, Threads & Types:

Our range features screws made of different materials such as plastic, metal and steel. We understand the importance of head type and so have packed our range with head types such as socket, countersunk, hex head and many more types of screw.

Due to the sheer amount of screw types, drives and thread choices, we have put together a collection of guides to help you make the right choice over on our Knowledge Centre, including:

What are Screw Heads, Drives & Threads?
Socket Screws Explained
A Guide to Thumb Screws
What is a Set Screw?
A Guide to Machine Screws


Thumb Screws - Plastic Round Knob

These Thumb Screws with a Plastic Round Knob are fasteners in various applications requiring manual tightening or loosening. These screws have a circular knob shape of strong plastic, providing a pleasant and ergonomic grip for effortless hand operation. Additionally, the plastic design offers advantages such as corrosion resistance, electrical insulation, and lightweight qualities.

The rounded knob design enables quick and easy adjustments without additional tools. The knob's smooth surface provides a pleasant grip, making it simple to tighten or loosen the screw as needed. Suitable for use in electrical enclosures, computer hardware, or any other application where electrical components must be protected while remaining safe.

Thumb Screws - Wing Plastic

These Thumb Screws - Wing Plastic are fasteners utilised in various applications that demand a secure and readily adjustable connection. These screws are made with a wing-shaped plastic head that offers leverage for simple twisting.

It has a strong grip and is simple to handle, allowing for quick and easy tightening or loosening by hand. The wing shape gives a wider surface area for the thumb or fingers to grasp, making it perfect for applications that need frequent adjustments. This function allows the user to apply torque without using extra tools.

Commonly used in industries such as electronics, automotive, and furniture manufacturing. They are especially suitable in situations that need a non-metallic connection since the plastic head protects sensitive or polished surfaces. As a result, they are ideal for fastening components, panels, or fittings without leaving unattractive marks or scratches.

Torx Head Flanged Cap Screws

These Torx Head Flanged Cap Screws are fasteners for various applications requiring a secure and durable connection. These screws combine the benefits of a Torx head screw with the help of a flanged head.

They are well-known for their exceptional grip and resistance to cam-out, making them suitable for applications requiring high torque. The flanged cap gives an extra layer of rigidity and support, making these screws perfect for situations where vibration or movement is an issue. This feature keeps the screws from becoming loose over time, guaranteeing a long-lasting and stable connection. It also spreads the screw heads weight across a broader area, preventing the screw head from sinking into the material and harming the surface.

Commonly used in industries such as automotive, machinery, and electronics. They are especially useful in situations where access is restricted. The Torx head enables efficient and dependable installation in tight places or difficult-to-reach regions.

Vented Screws - Cap Head

This range of Vented Screws features a cap head with a hexagonal drive. Hexagonal drives are ideal for precision assembly and are ideally used where less surface area is available.

The screws hollow core acts like a venting system. The range complies to DIN 912 (with central vent). They are made from ultrasonically cleaned austenitic Stainless Steel that provides very good resistance to corrosion, good strength and machinability.

The material is a popular choice for construction and automotive applications.

  • Hollow core provides an integrated vent system.
  • Made from ultrasonically cleaned austenitic Stainless Steel that provides good resistance to corrosion.
  • Complies to DIN 912.
Material: 316 Stainless Steel, 304 Stainless Steel Series Code: SRP0090.A2

Button Head Seal Screws

This range of Seal Screws features a button head with a hexagonal drive. Hexagonal drives are ideal for precision assembly and are used where less surface area is available. They are made from Stainless Steel that provides good resistance to corrosion and is slightly magnetic..

Seal screws are a type of fastener designed with an o-ring to provide secure bi-directional protection against contaminates such as gases and fluids in various applications, minimising the risk of damage to sensitive equipment. They prevent the entry of water, dust, or other contaminants, ensuring a secure, reliable connection.

Seal screws are used in threaded and non-threaded holes in applications such as cabinets or used in the automotive and electric industries. Please note: Our seal screws are designed for use in applications where sealing properties are required. It could be confused with standard fasteners, these do not require sealing properties and with an O-ring you will not get a sealing property like you get with seal screws and may damage the ring.

  • Designed with an o-ring to provide secure bi-directional protection against contaminates.
  • Prevent the entry of water, dust, or other contaminants, ensuring a secure, reliable connection.
  • Used in threaded and non-threaded holes in applications such as cabinets or used in the automotive and electric industries.
Material: 316 Stainless Steel, 303 Stainless Steel Series Code: SRP0174

Cap Head Seal Screws

This range of sealing screws has a cap head with a torx socket drive, incorporating an O-ring that is compressed-squeezed between the head, the socket drive and the mating surface to complete the seal. Manufactured from stainless steel, which provides good corrosion resistance and is slightly magnetic.

Seal screws are a type of fastener designed with an o-ring to provide secure bi-directional protection against contaminates such as gases and fluids in various applications, minimising the risk of damage to sensitive equipment. They prevent the entry of water, dust, or other contaminants, ensuring a secure, reliable connection.

Seal screws are used in threaded and non-threaded holes in applications such as cabinets or used in the automotive and electric industries.

Please note: Our seal screws are designed for use in applications where sealing properties are required. It could be confused with standard fasteners, these do not require sealing properties and with an O-ring you will not get a sealing property like you get with seal screws and may damage the ring. Clearance holes are recommended for optimal sealing performance (see measurements below). Clearance hole depth is 2-3 times the thread pitch; threads are metric coarse pitch.

  • Designed with an o-ring to provide secure bi-directional protection against contaminates, such as gases and fluids, in various applications
  • Prevents the entry of water, dust or other contaminants, ensuring a secure and reliable connection.
  • Used in threaded and non-threaded holes, in applications such as cabinets, or used in the automotive and electric industries.
Material: 303 Stainless Steel Series Code: SRP0173.TX

Captive Screw Retainer Flange

The captive screw retainer flange is an alternative to either tapping the panel or using a retainer washer. The retainer flange is fixed to the panel by swaging the head into a countersunk hole.

The captive screw is then simply threaded through the flange and is retained in the panel.

The flanges are made from either Stainless Steel which has good corrosion reistance or Aluminium, which has good thermal conductivity.

  • The captive screw retainer flange is an alternative to either tapping the panel or using a retainer washer.
  • It has a good thermal conductivity.
  • Alternative to either tapping the panel or using a retainer washer.
Material: 303 Stainless Steel, Aluminium Series Code: SRP0169.A2, SRP0169.AL

Captive Screws - Button Head

Captive Screws are fasteners designed to remain attached to the component they are securing, even when fully loosened, providing convenience, security and ease of use in a variety of applications. They are a popular choice for applications where screws need to be removed frequently or where safety is a concern, as these screws will stay firmly in place and will not loosen from the assembly.

This range of Captive Screws has a button head and a Torx drive. Torx drives provide a positive-engaging, fast-locating technique for transmitting drive torque with less necessary downward pressure. They are an excellent fitting option for panels with non-threaded holes when used in conjunction with our threaded captive washers. They are used to comply with Machinery Detective 2006/42/EC - typically to ISO 14583, which requires fasteners to stay attached to fixed guards or applications when they are removed.

The screws are made from Stainless Steel, which is corrosion resistant and slightly magnetic, and you can find a group of screws with a blackened finish and others without.These screws are commonly used in electronics, industrial machinery, cabinets, panels and medical devices. Please keep in mind that because these screws have a smaller shank diameter, they should not be tightened to the suggested torque for an identical screw with the same thread size.

  • Torx drives provide a positive-engaging, fast-locating technique for transmitting drive torque with less necessary downward pressure.
  • Used to comply with Machinery Detective 2006/42/EC - typically to ISO 14583.
  • Designed to remain attached to the component they are installed in, even when fully loosened.
Material: Blackened Stainless 316, Blackened Stainless 303, 316 Stainless Steel, 303 Stainless Steel Series Code: SRP0149.A2

Captive Screws - Countersunk

Captive Screws are secure joint fasteners designed to remain attached to the component they are installed in, even when fully loosened, providing convenience, security and ease of use in a variety of applications. They are a popular choice for applications where screws need to be removed frequently or where safety is a concern, as these screws will stay firmly in place and will not loosen from the assembly. These screws are commonly used in electronics, industrial machinery, cabinets, panels and medical devices.

This range of Captive Screws features a countersunk head and hexagonal drive. Hexagonal drives are ideal for precision assembly and are used where less surface area is available. They are used to comply with Machinery Detective 2006/42/EC - in general, ISO 1207, which requires fasteners to stay attached to fixed guards or applications when they are removed.

The screws are made from Stainless Steel, which is corrosion resistant and slightly magnetic. These screws are commonly used in electronics, industrial machinery, cabinets, panels and medical devices.

Please keep in mind that because these screws have a smaller shank diameter, they should not be tightened to the suggested torque for an identical screw with the same thread size.

  • They are a popular choice for applications where screws need to be removed frequently or where safety is a concern.
  • Hexagonal drives are ideal for precision assembly and are used where less surface area is available.
  • Used to comply with Machinery Detective 2006/42/EC - in general, ISO 1207.
Material: 303 Stainless Steel Series Code: SRP0153.A2

Pan Head Seal Screws

This range of sealing screws has a pan head with three options: Torx drive, Philips drive and Slotted drive. Torx drive screws provide a positive, fast engagement that transmits torque with less downward pressure. Phillips drive screws can withstand high torque, making them a good choice for applications that require a tight fit and make it easy to remove the screw, even if it has been driven in tightly. Finally, slotted drive screws have a lower torque capacity than other drive types, such as Phillips or Torx.These screws incorporate an O-ring which is compressed and squeezed between the head and the mating component to complete a more secure seal. They are manufactured from stainless steel, which provides good corrosion resistance and is slightly magnetic.

This seal screws with a pan head are a type of fastener designed with an o-ring to provide secure bi-directional protection against contaminates such as gases and fluids in various applications, minimising the risk of damage to sensitive equipment. They prevent the entry of water, dust, or other contaminants, ensuring a secure, reliable connection.

Seal screws are used in threaded and non-threaded holes in applications such as cabinets or used in the automotive and electric industries. Clearance holes are recommended for optimal sealing performance (see measurements below). Clearance hole depth is 2-3 times the thread pitch; threads are metric coarse pitch.

  • It provides a secure and watertight connection to various applications, minimising the risk of loosening due to vibration or movement.
  • Used in threaded and non-threaded holes in applications such as cabinets or used in the automotive and electric industries.
  • Incorporate an O-ring which is compressed and squeezed between the head and the the mating surface to complete a more secure seal.
Material: 303 Stainless Steel Series Code: SRP0172, SRP0171, SRP0170

Vented Countersunk Machine Screws

Vented screws are fasteners with a hole drilled through the middle that allow gases trapped at the bottom of a blind threaded hole to escape through the core and provide airflow within an application. The screws are a common option for HV and UHV systems because their centre vent feature reduces virtual leakage from high vacuum systems.

This range of Vented Screws features a countersunk machine head with a hexagonal drive. Hexagonal drives are suitable for precision assembling and when there is limited surface area. They are made from Stainless Steel.

  • Their centre vent feature reduces virtual leakage from high vacuum systems.
  • Ideally suited for usage in sealed enclosures, housings, and machinery.
  • Hexagonal drives are suitable for precision assembling.
Material: 316 Stainless Steel, 304 Stainless Steel Series Code: SRP0093.A4

Vented Screws - Hex Head

Vented screws are fasteners with a hole drilled through the middle that allow gases trapped at the bottom of a blind threaded hole to escape through the core and provide airflow within an application. The screws are a common option for HV and UHV systems because their centre vent feature reduces virtual leakage from high vacuum systems.

This range of Vented Screws features a hexagonal head. They are made from Stainless Steel.

  • Allows gases trapped at the bottom of the threaded hole to escape through the core and provide airflow.
  • Their centre vent feature reduces virtual leakage from high vacuum systems.
  • It is suited for sealed enclosures, housings, and machinery.
Material: 316 Stainless Steel, 304 Stainless Steel Series Code: SRP0091.A4

Vented Screws - Socket Button Head

Vented screws are fasteners with a hole drilled through the middle that allow gases trapped at the bottom of a blind threaded hole to escape through the core and provide airflow within an application. The screws are a common option for HV and UHV systems because their centre vent feature reduces virtual leakage from high vacuum systems.

This range of Vented Screws features a socket button head with a hexagonal drive. Hexagonal drives are suitable for precision assembling and when there is limited surface area. They are made from Stainless Steel.

  • Their centre vent feature reduces virtual leakage from high vacuum systems.
  • Hexagonal drives are suitable for precision assembling and when there is limited surface area.
  • Suited for sealed enclosures, housings, and machinery.
Material: 316 Stainless Steel, 304 Stainless Steel Series Code: SRP0094.A2

Vented Shoulder Screws - Cap Head

Vented screws are fasteners with a hole drilled through the middle that allow gases trapped at the bottom of a blind threaded hole to escape through the core and provide airflow within an application. The screws are a common option for HV and UHV systems because their centre vent feature reduces virtual leakage from high vacuum systems.

This range of Vented Shoulder Screws features a cap head with a hexagonal drive. Hexagonal drives are suitable for precision assembling and when there is limited surface area and the precision shoulder allows accurate assembly. They are made from Stainless Steel.

  • The shoulder feature of these screws provides additional surface area for improved grip.
  • Vented design allows for controlled airflow, making them ideal for applications where proper ventilation is crucial.
  • Suited for sealed enclosures, housings, and machinery.
Material: 316 Stainless Steel, 303 Stainless Steel Series Code: SRP0098.A4

Anu-Lok Cap Head Captive Screws

Anu-Lok Cap Head Captive Screws are intended to offer a secure and vibration-resistant attachment, while remaining permanently connected. Features a cap head design that enables simple torque application with tools like hexagonal keys. Anu-Lok 180 (AnuLok) is a reusable nylon patch that works like to a nylon nut. During installation, the nylon patch contracts to fill the gap within the threads.

The specialised retention mechanism prevents complete detachment from the assembly, due to vibration or mechanical stress, while allowing for repeated fastening and unfastening. This feature is useful in applications requiring maintenance or regular access. Applications include electronic enclosures, machinery guards and structural components.

Please note: These screws have a reduced diameter shank and should not be tightened to the recommended torque for an equivalent machine screw of size d1.

  • The screws captive nature complies with the Machinery Directive 2006/42/EC (equivalent to ISO 4762) that guarantees compliance with safety and regulatory standards, especially in industries where loose hardware may represent a risk.
Material: 303 Stainless with thread lock Series Code: SRP0154

Anu-Lok Cap Head Seal Screws

Anu-Lok Cap Head Seal Screws have a cap head design for better torque control and feature a built-in sealing mechanism that is designed for holding a gas-tight seal. Made of stainless steel, which has high corrosion resistance and is somewhat magnetic.

These screws utilize Anu-Lok 180 (AnuLok), a reusable nylon patch that works like a nylon nut. During installation, the nylon patch contracts to fill the gap within the threads, creating a holding mechanism that prevents the screw from detaching due to vibrations or mechanical stress.

With a hexagonal socket head, they can be easily tightened or loosened using an hexagonal wrench or key.

  • It is reusable.
  • Can tolerate temperatures ranging from -100C up to +260C.
  • They are ideal for various applications including electronics, equipment and for automotive use.
  • Please note: Clearance holes recommended for maximum sealing.
Material: 303 Stainless with thread lock Series Code: SRP0173

Anu-Lok Cap Head Shoulder Screws

The Anu-Lok Cap Head Shoulder Screws feature a cylindrical shoulder that distinguishes the screws head from its threaded section. This shoulder is precisely machined to serve as a bearing surface for the screw head.

These screws utilise Anu-Lok 180 (AnuLok), a reusable nylon patch that works like a nylon nut. During installation, the nylon patch contracts to fill the gap within the threads, creating a holding mechanism that prevents the screw from detaching due to vibrations or mechanical stress.

Equipped with a hexagonal socket head, these screws can be easily tightened or loosened using a hexagonal wrench or key.

  • They are suitable for a variety of applications including electronics, machinery and automotive uses.
  • The screws possess some magnetic properties and are resistant to corrosion.
Material: 303 Stainless with thread lock Series Code: SRP0130

Shoulder Bolts - Hex Head

These Shoulder bolts, also known as shoulder screws, are a type of fastener with a plain section shoulder in between the head and threaded portion of the screw. The shoulder part is machined to a precise tolerance for locating, fastening, or rotating parts.

It decreases stress concentration and lowers the likelihood of damage or failure. It is also durable, corrosion-resistant, and nonmagnetic. It can handle high loads, vibrations, and harsh environments.

Its hexagonal-shaped head offers a comfortable and stable grip for tightening and loosening the bolt. The hex head shape enables simple torque application with a wrench or socket, delivering a tight and solid connection. It is widely utilised in various sectors, including automotive, industrial, electronics, and construction.

  • This shoulder part is machined to a precise tolerance for locating, fastening, or rotating parts.
  • Its hexagonal-shaped head offers a comfortable and stable grip for tightening and loosening the bolt.
  • It is durable, corrosion-resistant, and nonmagnetic.
  • It can handle high loads, vibrations, and harsh environments.
Material: 303 Stainless Steel, Steel Series Code: SRP0140.A2, SRP0138.A2, SRP013+C142995, SRP0135, SRP0142.SC, SRP0141.SC, SRP0139, SRP0138.SC

Shoulder Screws - Headless

Headless Shoulder Screws are designed for applications that require a smooth bearing surface, without an exposed screw head. Unlike a standard shoulder screw, it features a cylindrical body with a shoulder and a threaded end, but lacks a head. This design allows for secure attachment, while maintaining a clean and compact appearance.

Their headless design makes them ideal for use in constrained spaces, where a standard screw head would interfere with surrounding components. The large unthreaded portion of the screw ensures tight tolerances, which is essential for applications that require precision.

Often used in conjunction with bearings and bushings, to provide reliable support and enable smooth motion.

  • Excellent shear resistance.
  • Widely used in electronic, machinery, automotive and construction applications.
Material: 303 Stainless Steel Series Code: SRP0126

Shoulder Screws - Hex Socket Head

These Shoulder Screws, also known as shoulder bolts, are a type of fastener with a cylindrical shoulder that separates the screw's head from its threaded part. The shoulder is machined to a precise tolerance and serves as a bearing surface for the screw head.

Shoulder Screws are useful in situations that call for a mounting pin, dowel, joint, shaft, or sliding action. It is somewhat magnetic, strong, and corrosion resistant, but not in very harsh conditions.

This range of Shoulder Screws features a hexagonal socket head, which allows them to be easily tightened or loosened with an Allen wrench or hex key. They also feature a non-smooth head, which aids in gripping. These screws are suitable for electronics, machinery and automotive applications.

  • Shoulder is machined to a precise tolerance and serves as a bearing surface for the screw head.
  • Easily tightened or loosened with an Allen wrench or hex key.
  • It is somewhat magnetic, strong, and corrosion resistant.
Material: 303 Stainless Steel, Black Steel Series Code: SRP0137, SRP0136

Shoulder Screws - Pan Head

These Pan Head Shoulder Screws, also known as pan head shoulder bolts, are a type of fastener that consists of a cylindrical shaft with a pan head at one end and a shoulder at the other. The shoulder is machined to a precise tolerance and serves as a bearing surface for the screw head.

Shoulder Screws are useful when a mounting pin, dowel, joint, shaft, or sliding motion is required. It is sturdy and corrosion-resistant, but not in really hard conditions.

This range of Shoulder Screws features a pan head that is slightly domed and a flat bearing. It is suited for low-profile applications and has an aesthetically attractive appearance. Easy to install or remove using slotted screwdrivers. These screws suit electronics, medical devices, machinery and automotive applications.

  • It is sturdy and corrosion-resistant, but not in really hard conditions.
  • It has a pan head that is slightly domed and a flat bearing.
  • It is suited for low-profile applications and has an aesthetically attractive appearance.
Material: 303 Stainless Steel Series Code: SRP0144.A2

Shoulder Screws - Slot Head

These Shoulder Screws, often known as shoulder bolts, are a kind of fastener having a cylindrical head and a threaded shank. They feature a shoulder that runs from the head to the shank which is machined to a precise tolerance. Shoulder screws are commonly used to connect two components, with the shoulder acting as a bearing surface.

Shoulder Screws are appropriate for applications requiring a mounting pin, dowel, joint, shaft, or sliding motion.

This range of Shoulder Screws features a slotted head, which allows them to be driven with a slotted screwdriver. They are magnetic and have excellent shear resistance, although they corrode somewhat more easily than conventional shoulder screws. These screws are suitable for electronics, machinery, automotive and construction applications.

  • Shoulder that runs from the head to the shank which is machined to a precise tolerance.
  • It features a slotted head, which allows them to be driven with a slotted screwdriver.
  • Magnetic and excellent shear resistance, although they corrode somewhat more easily than conventional shoulder screws.
Material: Stainless Steel Series Code: SRP0133

Thrust Screws - Brass Pad

These brass pad thrust screws are designed to provide a controlled bearing surface for components that must be precisely positioned and attached while minimising axial movement or damage to the mating surface. It guarantees smooth, controlled action while reducing friction and wear.

As the screw turns, the brass pad applies pressure on the surface it touches, allowing for controlled movement or adjustment. It provides a secure and stable point of contact and is extremely wear-resistant.

It is simple to install under pressure, softly clamp or push threaded spindles, shafts, or surface-treated parts, and place more delicate parts. It is frequently utilised in mechanical assembly, precise instrumentation, calibration, and alignment.

  • Offers a controlled bearing surface for components that must be precisely positioned and attached.
  • It provides a secure and stable point of contact and is extremely wear-resistant.
  • Used in mechanical assembly, precise instrumentation, calibration, and alignment.
Material: 303 Stainless Steel Series Code: SR34140

Thrust Screws - Plastic Pad

These plastic pad thrust screws are designed to provide a controlled bearing surface for components that must be precisely positioned and attached while minimising axial movement or damage to the mating surface. It guarantees smooth, controlled action while reducing friction and wear.

As the screw turns, the plastic pad applies pressure on the surface it touches, allowing for controlled movement or adjustment. It provides a secure and stable point of contact and is extremely wear-resistant.

It is simple to install under pressure, softly clamp or push threaded spindles, shafts, or surface-treated parts, and place more delicate parts. It is frequently utilised in mechanical assembly, precise instrumentation, calibration, and alignment.

  • Offers a controlled bearing surface for components that must be precisely positioned and attached.
  • It provides a secure and stable point of contact and is extremely wear-resistant.
  • Used in mechanical assembly, precise instrumentation, calibration, and alignment.
Material: Steel Series Code: SR34160

Cap Screws – Ultra Low Head – PEEK

Ultra Low Head Cap Screws, made from PEEK, provide exceptional mechanical strength, chemical resistance and thermal stability.

The ultra-low head design creates a low profile, which makes it ideal for small assemblies or flush-mounted applications where standard fasteners might be too bulky or interfere with functionality.

Retains its structural integrity and performance at temperatures up to 260C. This makes it ideal or use in medical, electronics and automotive sectors. Material: PEEK Colour: Beige Series Code: SRK0067, SRK0084

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