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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 Thread Size Insert Type Insert Material Nominal Diameter Knob Material View
$1.59 - $2.75 Request the lead time here
M8
Stop Nut
Steel
Polypropylene
$1.08 - $1.85 Request the lead time here
M6
Stop Nut
Steel
Polypropylene
$1.40 - $2.41 Request the lead time here
M10
Thru-Hole
Steel
Polypropylene
$1.32 - $2.28 Request the lead time here
M10
Blind Hole
Steel
Polypropylene
$1.24 - $2.13 Request the lead time here
M8
Stop Nut
Steel
Polypropylene
$1.11 - $1.91 76 In stock
3.000 in
3/8-16
Stud
Steel
1.750 in
PP
$1.41 - $2.42 785 In stock
1.500 in
3/8-16
Stud
Steel
2.500 in
PP
$1.62 - $2.79 1208 In stock
0.500 in
5/16-18
Stud
Steel
1.730 in
TPE Overlay PP
$0.89 - $1.52 1190 In stock
0.500 in
1/4-20
Stud
Steel
1.730 in
PP
$1.23 - $2.12 1015 In stock
5/16-18
Blind Hole
Steel
2.500 in
PP
$1.28 - $2.20 490 In stock
3/8-16
Thru-Hole
Steel
2.500 in
PP
$1.22 - $2.10 1040 In stock
0.500 in
5/16-18
Stud
Steel
2.500 in
PP
$1.29 - $2.23 1000 In stock
0.750 in
#10-32
Stud
Steel
1.400 in
TPE Overlay PP
$1.82 - $3.14 1360 In stock
1.500 in
1/4-20
Stud
Steel
2.000 in
TPE Overlay PP
$1.90 - $2.24 1240 In stock
1/4-20
Blind Hole
Steel
1.400 in
TPE Overlay PP
$0.78 - $1.34 803 In stock
1/4-20
Blind Hole
Brass
1.400 in
PP
$0.91 - $1.56 1190 In stock
1/4-20
Stop Nut
Steel
1.730 in
PP
$1.00 - $1.72 814 In stock
0.750 in
5/16-18
Stud
Steel
1.750 in
PP
$1.29 - $2.23 889 In stock
0.750 in
3/8-16
Stud
Steel
2.500 in
PP
$1.43 - $2.45 990 In stock
0.630 in
1/4-20
Stud
Steel
1.400 in
TPE Overlay PP
    • of 5
4-Arm Knob 45.0 mm M8 20.83 mm Black Steel 100% Recycled PP

20131913

Price Range
$2.75 - $1.59

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M8
  • Hub Diameter
    0.75 in
  • Knob Height
    0.82 in
  • Hub Height
    0.25 in
  • Knob Style
    Thru-hole (Stop Nut)
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4-Arm Knob 45.0 mm M6 20.83 mm Black Steel 100% Recycled PP

20131890

Price Range
$1.85 - $1.08

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M6
  • Hub Diameter
    0.75 in
  • Knob Height
    0.82 in
  • Hub Height
    0.25 in
  • Knob Style
    Thru-hole (Stop Nut)
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4-Arm Knob 45.0 mm M10 26.42 mm Black Steel 100% Recycled PP

20127138

Price Range
$2.41 - $1.40

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M10
  • Hub Diameter
    0.75 in
  • Knob Height
    1.04 in
  • Hub Height
    0.54 in
  • Knob Style
    Thru-hole
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4-Arm Knob 45.0 mm M10 26.42 mm Black Steel 100% Recycled PP

20127169

Price Range
$2.28 - $1.32

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M10
  • Hub Diameter
    0.75 in
  • Knob Height
    1.04 in
  • Hub Height
    0.54 in
  • Knob Style
    Blind Hole
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4-Arm Knob 45.0 mm M8 26.42 mm Black Steel 100% Recycled PP

20131791

Price Range
$2.13 - $1.24

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M8
  • Hub Diameter
    0.75 in
  • Knob Height
    1.04 in
  • Hub Height
    0.54 in
  • Knob Style
    Thru-hole (Stop Nut)
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4-Arm Knob 1.750 in 3/8-16 1.020 in Black Steel PP

KN6C30004P4--21

Price Range
$1.91 - $1.11

Stock Levels
76 In stock
Attributes
  • Nominal Diameter
    1.750 in
  • Thread Size
    3/8-16
  • Hub Diameter
    0.750 in
  • Knob Height
    1.020 in
  • Hub Height
    0.520 in
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4-Arm Knob 2.500 in 3/8-16 1.130 in Black Steel PP

KN6C15004P7--21

Price Range
$2.42 - $1.41

Stock Levels
785 In stock
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    3/8-16
  • Hub Diameter
    0.980 in
  • Knob Height
    1.130 in
  • Hub Height
    0.480 in
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4-Arm Knob 1.730 in 5/16-18 0.820 in Black Steel TPE Overlay PP

KN5C05004S4-S21

Price Range
$2.79 - $1.62

Stock Levels
1208 In stock
Attributes
  • Nominal Diameter
    1.730 in
  • Thread Size
    5/16-18
  • Hub Diameter
    0.750 in
  • Knob Height
    0.820 in
  • Hub Height
    0.250 in
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4-Arm Knob 1.730 in 1/4-20 0.820 in Black Steel PP

KN4C05004S4--21

Price Range
$1.52 - $0.89

Stock Levels
1190 In stock
Attributes
  • Nominal Diameter
    1.730 in
  • Thread Size
    1/4-20
  • Hub Diameter
    0.750 in
  • Knob Height
    0.820 in
  • Hub Height
    0.250 in
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4-Arm Knob 2.500 in 5/16-18 1.130 in Black Steel PP

KN5C----4P7B-22

Price Range
$2.12 - $1.23

Stock Levels
1015 In stock
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    5/16-18
  • Hub Diameter
    0.980 in
  • Knob Height
    1.130 in
  • Hub Height
    0.480 in
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4-Arm Knob 2.500 in 3/8-16 1.130 in Black Steel PP

KN6C----4P7--21

Price Range
$2.20 - $1.28

Stock Levels
490 In stock
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    3/8-16
  • Hub Diameter
    0.980 in
  • Knob Height
    1.130 in
  • Hub Height
    0.480 in
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4-Arm Knob 2.500 in 5/16-18 1.130 in Black Steel PP

KN5C05004P7--21

Price Range
$2.10 - $1.22

Stock Levels
1040 In stock
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    5/16-18
  • Hub Diameter
    0.980 in
  • Knob Height
    1.130 in
  • Hub Height
    0.480 in
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4-Arm Knob 1.400 in #10-32 0.640 in Black Steel TPE Overlay PP

KN0207504S2-S21

Price Range
$2.23 - $1.29

Stock Levels
1000 In stock
Attributes
  • Nominal Diameter
    1.400 in
  • Thread Size
    #10-32
  • Hub Diameter
    0.550 in
  • Knob Height
    0.640 in
  • Hub Height
    0.180 in
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4-Arm Knob 2.000 in 1/4-20 0.820 in Black Steel TPE Overlay PP

KN4C15004S5-S21

Price Range
$3.14 - $1.82

Stock Levels
1360 In stock
Attributes
  • Nominal Diameter
    2.000 in
  • Thread Size
    1/4-20
  • Hub Diameter
    0.750 in
  • Knob Height
    0.820 in
  • Hub Height
    0.250 in
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4-Arm Knob 1.400 in 1/4-20 0.640 in Black Steel TPE Overlay PP

KN4C----4S2BS21

Price Range
$2.24 - $1.90

Stock Levels
1240 In stock
Attributes
  • Nominal Diameter
    1.400 in
  • Thread Size
    1/4-20
  • Hub Diameter
    0.550 in
  • Knob Height
    0.640 in
  • Hub Height
    0.180 in
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4-Arm Knob 1.400 in 1/4-20 0.640 in Black Brass PP

KN4C----4S2B-90

Price Range
$1.34 - $0.78

Stock Levels
803 In stock
Attributes
  • Nominal Diameter
    1.400 in
  • Thread Size
    1/4-20
  • Hub Diameter
    0.550 in
  • Knob Height
    0.640 in
  • Hub Height
    0.180 in
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4-Arm Knob 1.730 in 1/4-20 0.820 in Black Steel PP

KN4C----4S4BL22

Price Range
$1.56 - $0.91

Stock Levels
1190 In stock
Attributes
  • Nominal Diameter
    1.730 in
  • Thread Size
    1/4-20
  • Hub Diameter
    0.750 in
  • Knob Height
    0.820 in
  • Hub Height
    0.250 in
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4-Arm Knob 1.750 in 5/16-18 1.020 in Black Steel PP

KN5C07504P4--21

Price Range
$1.72 - $1.00

Stock Levels
814 In stock
Attributes
  • Nominal Diameter
    1.750 in
  • Thread Size
    5/16-18
  • Hub Diameter
    0.750 in
  • Knob Height
    1.020 in
  • Hub Height
    0.520 in
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4-Arm Knob 2.500 in 3/8-16 1.130 in Black Steel PP

KN6C07504P7--21

Price Range
$2.23 - $1.29

Stock Levels
889 In stock
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    3/8-16
  • Hub Diameter
    0.980 in
  • Knob Height
    1.130 in
  • Hub Height
    0.480 in
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4-Arm Knob 1.400 in 1/4-20 0.640 in Black Steel TPE Overlay PP

KN4C06254S2-S21

Price Range
$2.45 - $1.43

Stock Levels
990 In stock
Attributes
  • Nominal Diameter
    1.400 in
  • Thread Size
    1/4-20
  • Hub Diameter
    0.550 in
  • Knob Height
    0.640 in
  • Hub Height
    0.180 in
Quick View
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