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Clamping Knobs 4 Arm Male Stud Prominent Grip

Clamping Knobs 4-Arm

In stock

4-Arm Clamping Knobs provide a secure multilobed 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 that provides 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
$1.14 - $2.49 490 In stock
2.500 in
1/4-20
Blind Hole
Steel
PP
$0.81 - $1.76 803 In stock
1.400 in
1/4-20
Blind Hole
Brass
PP
$1.31 - $2.86 426 In stock
2.500 in
1.750 in
5/16-18
Stud
Steel
PP
$1.49 - $3.25 1040 In stock
0.500 in
2.500 in
5/16-18
Stud
Steel
PP
$1.59 - $3.46 858 In stock
1.250 in
2.500 in
3/8-16
Stud
Steel
PP
$2.01 - $4.38 1000 In stock
0.750 in
1.400 in
10-32
Stud
Steel
TPE
$2.43 - $5.29 1224 In stock
0.750 in
1.730 in
10-32
Stud
Steel
TPE
$2.99 - $6.50 1360 In stock
1.500 in
2.000 in
1/4-20
Stud
Steel
TPE
$1.21 - $2.65 735 In stock
2.000 in
1.400 in
5/16-18
Stud
Steel
PP
$1.21 - $2.63 1240 In stock
1.400 in
1/4-20
Blind Hole
Steel
TPE
$1.15 - $2.50 424 In stock
2.500 in
5/16-18
Thru-Hole
Steel
PP
$0.89 - $1.94 1190 In stock
1.730 in
1/4-20
Stop Nut
Steel
PP
$1.10 - $2.40 814 In stock
0.750 in
1.750 in
5/16-18
Stud
Steel
PP
$1.48 - $3.23 Request the lead time here
0.500 in
2.500 in
1/4-20
Stud
Steel
PP
$1.53 - $3.33 889 In stock
0.750 in
2.500 in
3/8-16
Stud
Steel
PP
$1.74 - $3.78 877 In stock
2.500 in
2.500 in
3/8-16
Stud
Steel
PP
$2.00 - $4.35 990 In stock
0.630 in
1.400 in
1/4-20
Stud
Steel
TPE
$2.46 - $5.36 348 In stock
0.750 in
1.730 in
5/16-18
Stud
Steel
TPE
$0.86 - $1.87 1580 In stock
0.620 in
1.150 in
1/4-20
Stud
Brass
PP
$1.22 - $2.66 414 In stock
0.500 in
1.730 in
5/16-18
Stud
Steel
PP
    • of 3
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 1/4-20; Knob Height 28.7 mm | 1.130 in

KN4C----4P7B-21

Price Range
$2.49 - $1.14

Stock Levels
490 In stock
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Thread Size
    1/4-20
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N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 1/4-20; Knob Height 16.3 mm | 0.640 in

KN4C----4S2B-90

Price Range
$1.76 - $0.81

Stock Levels
803 In stock
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Thread Size
    1/4-20
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 63.5 mm | 2.500 in

KN5C25004P4--21

Price Range
$2.86 - $1.31

Stock Levels
426 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.020 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.520 in
  • Stud Length
    2.500 in
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N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 5/16-18; Stud Length 12.7 mm | 0.500 in

KN5C05004P7--21

Price Range
$3.25 - $1.49

Stock Levels
1040 In stock
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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N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 3/8-16; Stud Length 31.8 mm | 1.250 in

KN6C12504P7--21

Price Range
$3.46 - $1.59

Stock Levels
858 In stock
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Stud Length
    1.250 in
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N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 10-32; Stud Length 19.1 mm | 0.750 in

KN0207504S2-S21

Price Range
$4.38 - $2.01

Stock Levels
1000 In stock
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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N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 10-32; Stud Length 19.1 mm | 0.750 in

KN0207504S4-S21

Price Range
$5.29 - $2.43

Stock Levels
1224 In stock
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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N/A - Knob Diameter 50.8 mm | 2.000 in; Thread Size 1/4-20; Stud Length 38.1 mm | 1.500 in

KN4C15004S5-S21

Price Range
$6.50 - $2.99

Stock Levels
1360 In stock
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Stud Length
    1.500 in
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N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 5/16-18; Stud Length 50.8 mm | 2.000 in

KN5C20004S2--21

Price Range
$2.65 - $1.21

Stock Levels
735 In stock
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Stud Length
    2.000 in
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N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 1/4-20; Knob Height 16.3 mm | 0.640 in

KN4C----4S2BS21

Price Range
$2.63 - $1.21

Stock Levels
1240 In stock
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Thread Size
    1/4-20
Quick View
View Product >
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 5/16-18; Knob Height 28.7 mm | 1.130 in

KN5C----4P7--21

Price Range
$2.50 - $1.15

Stock Levels
424 In stock
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
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N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 1/4-20; Knob Height 20.8 mm | 0.820 in

KN4C----4S4BL22

Price Range
$1.94 - $0.89

Stock Levels
1190 In stock
Attributes
  • Knob Diameter
    1.730 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Thread Size
    1/4-20
Quick View
View Product >
N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 19.1 mm | 0.750 in

KN5C07504P4--21

Price Range
$2.40 - $1.10

Stock Levels
814 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.020 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.520 in
  • Stud Length
    0.750 in
Quick View
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N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 1/4-20; Stud Length 12.7 mm | 0.500 in

KN4C05004P7--21

Price Range
$3.23 - $1.48

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
Quick View
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N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 3/8-16; Stud Length 19.1 mm | 0.750 in

KN6C07504P7--21

Price Range
$3.33 - $1.53

Stock Levels
889 In stock
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Stud Length
    0.750 in
Quick View
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N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 3/8-16; Stud Length 63.5 mm | 2.500 in

KN6C25004P7--21

Price Range
$3.78 - $1.74

Stock Levels
877 In stock
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.130 in
  • Hub Diameter
    0.980 in
  • Hub Height
    0.480 in
  • Stud Length
    2.500 in
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N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 1/4-20; Stud Length 16 mm | 0.630 in

KN4C06254S2-S21

Price Range
$4.35 - $2.00

Stock Levels
990 In stock
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Stud Length
    0.630 in
Quick View
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N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 5/16-18; Stud Length 19.1 mm | 0.750 in

KN5C07504S4-S21

Price Range
$5.36 - $2.46

Stock Levels
348 In stock
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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N/A - Knob Diameter 29.2 mm | 1.150 in; Thread Size 1/4-20; Stud Length 15.7 mm | 0.620 in

KN4C06254S1--90

Price Range
$1.87 - $0.86

Stock Levels
1580 In stock
Attributes
  • Knob Diameter
    1.150 in
  • Knob Height
    0.650 in
  • Hub Diameter
    0.500 in
  • Hub Height
    0.250 in
  • Stud Length
    0.620 in
Quick View
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N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 5/16-18; Stud Length 12.7 mm | 0.500 in

KN5C05004S4--21

Price Range
$2.66 - $1.22

Stock Levels
414 In stock
Attributes
  • Knob Diameter
    1.730 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Stud Length
    0.500 in
Quick View
View Product >