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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 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
KNS2200A $0.6096 - $1.8708 5247 In stock
0.750 in
1.575 in
1/4" x 20
Stud
Steel
PP
$2.6075 - $3.4762 4690 In stock
1.575 in
3.150 in
1/2-13
Stud
Steel
Phenolic
$1.29 - $2.22 784 In stock
1.000 in
2.500 in
3/8-16
Stud
Steel
PP
$1.44 - $2.48 1244 In stock
1.250 in
1.400 in
1/4" x 20
Stud
Steel
TPE
$1.01 - $1.74 1997 In stock
1.750 in
5/16-18
Blind Hole
Steel
PP
$0.88 - $1.51 1190 In stock
1.730 in
1/4" x 20
Stop Nut
Steel
PP
$1.19 - $2.05 1015 In stock
2.500 in
5/16-18
Blind Hole
Steel
PP
$1.24 - $2.13 490 In stock
2.500 in
3/8-16
Thru-Hole
Steel
PP
$0.96 - $1.65 414 In stock
0.500 in
1.730 in
5/16-18
Stud
Steel
PP
$1.29 - $2.21 993 In stock
2.500 in
3/8-16
Blind Hole
Steel
PP
$1.70 - $2.92 1350 In stock
2.500 in
1.730 in
5/16-18
Stud
Steel
TPE
$1.22 - $2.09 390 In stock
1.000 in
2.500 in
5/16-18
Stud
Steel
PP
$1.19 - $2.05 1275 In stock
1.400 in
10-32
Blind Hole
Steel
TPE
$0.89 - $0.94 1580 In stock
0.620 in
1.150 in
1/4" x 20
Stud
Brass
PP
$0.92 - $1.58 2445 In stock
1.750 in
1/4" x 20
Blind Hole
Steel
PP
$1.51 - $2.59 1224 In stock
0.750 in
1.730 in
10-32
Stud
Steel
TPE
$1.11 - $1.91 Request the lead time here
0.500 in
2.500 in
1/4" x 20
Stud
Steel
PP
$1.14 - $1.97 312 In stock
1.000 in
2.500 in
1/4" x 20
Stud
Steel
PP
$1.25 - $2.15 889 In stock
0.750 in
2.500 in
3/8-16
Stud
Steel
PP
$1.38 - $2.37 990 In stock
0.630 in
1.400 in
1/4" x 20
Stud
Steel
TPE
    • of 3
4-Arm Knob - Knob Diameter 40 mm | 1.575 in; Thread Size 1/4-20; Stud Length 19.1 mm | 0.750 in

KNS2200A

Price Range
$1.8708 - $0.6096

Stock Levels
5247 In stock
Attributes
  • Knob Diameter
    1.575 in
  • Stud Length
    0.750 in
  • Thread Size
    1/4" x 20
  • Mounting Method
    Threaded Stud
  • Insert Material
    Steel
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4-Arm Knob - Knob Diameter 80 mm | 3.150 in; Thread Size 1/2-13; Stud Length 40 mm | 1.575 in

KSP2200A

Price Range
$3.4762 - $2.6075

Stock Levels
4690 In stock
Attributes
  • Knob Diameter
    3.150 in
  • Stud Length
    1.575 in
  • Thread Size
    1/2-13
  • Mounting Method
    Threaded Stud
  • Insert Material
    Steel
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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
$2.22 - $1.29

Stock Levels
784 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
    1.000 in
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4-Arm Knob - Knob Diameter 35.6 mm | 1.400 in; ; Knob Height 16.3 mm | 0.640 in

KN4C12504S2-S21

Price Range
$2.48 - $1.44

Stock Levels
1244 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
    1.250 in
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4-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 25.9 mm | 1.020 in

KN5C----4P4B-22

Price Range
$1.74 - $1.01

Stock Levels
1997 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.020 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.520 in
  • Thread Size
    5/16-18
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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
$1.51 - $0.88

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" 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
$2.05 - $1.19

Stock Levels
1015 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
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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
$2.13 - $1.24

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
    3/8-16
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4-Arm Knob - Knob Diameter 43.9 mm | 1.730 in; ; Knob Height 20.8 mm | 0.820 in

KN5C05004S4--21

Price Range
$1.65 - $0.96

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
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4-Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN6C----4P7B-21

Price Range
$2.21 - $1.29

Stock Levels
993 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
    3/8-16
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4-Arm Knob - Knob Diameter 43.9 mm | 1.730 in; ; Knob Height 20.8 mm | 0.820 in

KN5C25004S4-S21

Price Range
$2.92 - $1.70

Stock Levels
1350 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
    2.500 in
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4-Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN5C10004P7--21

Price Range
$2.09 - $1.22

Stock Levels
390 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
    1.000 in
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4-Arm Knob - Knob Diameter 35.6 mm | 1.400 in; ; Knob Height 16.3 mm | 0.640 in

KN02----4S2BS21

Price Range
$2.05 - $1.19

Stock Levels
1275 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
    10-32
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4-Arm Knob - Knob Diameter 29.2 mm | 1.150 in; ; Knob Height 16.5 mm | 0.650 in

KN4C06254S1--90

Price Range
$0.94 - $0.89

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
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4-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 25.9 mm | 1.020 in

KN4C----4P4B-21

Price Range
$1.58 - $0.92

Stock Levels
2445 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.020 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.520 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

KN0207504S4-S21

Price Range
$2.59 - $1.51

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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4-Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN4C05004P7--21

Price Range
$1.91 - $1.11

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 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN4C10004P7--21

Price Range
$1.97 - $1.14

Stock Levels
312 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
    1.000 in
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4-Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 28.7 mm | 1.130 in

KN6C07504P7--21

Price Range
$2.15 - $1.25

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
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4-Arm Knob - Knob Diameter 35.6 mm | 1.400 in; ; Knob Height 16.3 mm | 0.640 in

KN4C06254S2-S21

Price Range
$2.37 - $1.38

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
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