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Clamping Knobs 4 Arm Male Stud Prominent Grip

Clamping Knobs 4 Arm

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4 Arm Clamping Knobs provide a secure multi lobed grip to position, tighten, and hold fixtures, equipment, and machinery. We offer a large selection of knob sizes, thread configurations and ergonomic grips to meet your design requirements. Our pronged knobs feature a plastic base design which provide excellent chemical resistance and a more economical choice opposed to all-steel versions.

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Product SKUs information
Item Code Price range Availability Stud Length Knob Diameter Thread Size Insert Type Insert Material Knob Material View
$2.36 - $4.07 Request the lead time here
1.730 in
5/16-18
Blind Hole
Steel
TPE
$2.36 - $3.24 Request the lead time here
1.400 in
1/4" x 20
Blind Hole
Steel
TPE
$1.32 - $2.27 Request the lead time here
1.730 in
1/4" x 20
Stop Nut
Steel
PP
$1.79 - $3.08 Request the lead time here
2.500 in
5/16-18
Blind Hole
Steel
PP
$1.86 - $3.20 Request the lead time here
2.500 in
3/8-16
Through Hole
Steel
PP
$2.13 - $3.68 Request the lead time here
2.500 in
1/2-13
Blind Hole
Steel
PP
$2.07 - $3.56 Request the lead time here
2.500 in
1/2-13
Through Hole
Steel
PP
$1.77 - $3.05 Request the lead time here
0.500 in
2.500 in
5/16-18
Stud
Steel
PP
$1.88 - $3.23 Request the lead time here
0.750 in
1.400 in
10-32
Stud
Steel
TPE
$0.98 - $1.68 Request the lead time here
0.370 in
1.400 in
1/4" x 20
Stud
Steel
PP
$1.94 - $3.32 Request the lead time here
2.500 in
3/8-16
Blind Hole
Steel
PP
$2.00 - $3.44 Request the lead time here
2.500 in
3/8-16
Stop Nut
Steel
PP
$4.01 - $4.22 Request the lead time here
0.750 in
1.730 in
5/16-18
Stud
Steel
TPE
$1.50 - $2.58 Request the lead time here
1.000 in
1.750 in
5/16-18
Stud
Steel
PP
$1.94 - $3.33 Request the lead time here
1.000 in
2.500 in
3/8-16
Stud
Steel
PP
$1.65 - $2.85 Request the lead time here
2.500 in
1/4" x 20
Blind Hole
Steel
PP
$1.73 - $2.97 Request the lead time here
2.500 in
5/16-18
Through Hole
Steel
PP
$1.71 - $2.96 Request the lead time here
1.000 in
2.500 in
1/4" x 20
Stud
Steel
PP
$1.79 - $3.06 Request the lead time here
0.500 in
1.400 in
10-32
Stud
Steel
TPE
$2.55 - $4.38 Request the lead time here
2.500 in
1.730 in
5/16-18
Stud
Steel
TPE
    • of 3
4 Arm Knob - Knob Diameter 43.9 mm | 1.730 in; ; Knob Height 20.8 mm | 0.820 in

KN5C----4S4BS21

Price Range
$4.07 - $2.36

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.730 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Thread Size
    5/16-18
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4 Arm Knob - Knob Diameter 35.6 mm | 1.400 in; ; Knob Height 16.3 mm | 0.640 in

KN4C----4S2BS21

Price Range
$3.24 - $2.36

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Thread Size
    1/4" x 20
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4 Arm Knob - Knob Diameter 43.9 mm | 1.730 in; ; Knob Height 20.8 mm | 0.820 in

KN4C----4S4BL22

Price Range
$2.27 - $1.32

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.730 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Thread Size
    1/4" x 20
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4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN5C----4P7B-22

Price Range
$3.08 - $1.79

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    5/16-18
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4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN6C----4P7--21

Price Range
$3.20 - $1.86

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    3/8-16
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4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN8C----4P7B-21

Price Range
$3.68 - $2.13

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    1/2-13
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View Product >
4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN8C----4P7--21

Price Range
$3.56 - $2.07

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    1/2-13
Quick View
View Product >
4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN5C05004P7--21

Price Range
$3.05 - $1.77

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Stud Length
    0.500 in
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4 Arm Knob - Knob Diameter 35.6 mm | 1.400 in; ; Knob Height 16.3 mm | 0.640 in

KN0207504S2-S21

Price Range
$3.23 - $1.88

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Stud Length
    0.750 in
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4 Arm Knob - Knob Diameter 35.6 mm | 1.400 in; ; Knob Height 16.3 mm | 0.640 in

KN4C03754S2--21

Price Range
$1.68 - $0.98

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Stud Length
    0.370 in
Quick View
View Product >
4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN6C----4P7B-21

Price Range
$3.32 - $1.94

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    3/8-16
Quick View
View Product >
4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN6C----4P7L-21

Price Range
$3.44 - $2.00

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    3/8-16
Quick View
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4 Arm Knob - Knob Diameter 43.9 mm | 1.730 in; ; Knob Height 20.8 mm | 0.820 in

KN5C07504S4-S21

Price Range
$4.22 - $4.01

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.730 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Stud Length
    0.750 in
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4 Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 25.9 mm | 1.020 in

KN5C10004P4--21

Price Range
$2.58 - $1.50

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.020 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.520 in
  • Stud Length
    1.000 in
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4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN6C10004P7--21

Price Range
$3.33 - $1.94

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Stud Length
    1.000 in
Quick View
View Product >
4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN4C----4P7B-21

Price Range
$2.85 - $1.65

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    1/4" x 20
Quick View
View Product >
4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN5C----4P7--21

Price Range
$2.97 - $1.73

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    5/16-18
Quick View
View Product >
4 Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN4C10004P7--21

Price Range
$2.96 - $1.71

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Stud Length
    1.000 in
Quick View
View Product >
4 Arm Knob - Knob Diameter 35.6 mm | 1.400 in; ; Knob Height 16.3 mm | 0.640 in

KN0205004S2-S21

Price Range
$3.06 - $1.79

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Stud Length
    0.500 in
Quick View
View Product >
4 Arm Knob - Knob Diameter 43.9 mm | 1.730 in; ; Knob Height 20.8 mm | 0.820 in

KN5C25004S4-S21

Price Range
$4.38 - $2.55

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.730 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Stud Length
    2.500 in
Quick View
View Product >