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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
Request the lead time here
0.984 in
M8
Stud
Steel
Polypropylene
Request the lead time here
0.591 in
M8
Stud
Steel
Polypropylene
Request the lead time here
1.575 in
M8
Stud
Steel
Polypropylene
683 In stock
1.000 in
5/16-18
Stud
Steel
1.750 in
PP
312 In stock
1.000 in
1/4-20
Stud
Steel
2.500 in
PP
784 In stock
1.000 in
3/8-16
Stud
Steel
2.500 in
PP
1252 In stock
1.250 in
1/4-20
Stud
Steel
1.400 in
TPE Overlay PP
1350 In stock
2.500 in
5/16-18
Stud
Steel
1.730 in
TPE Overlay PP
1175 In stock
0.370 in
1/4-20
Stud
Steel
1.400 in
PP
1275 In stock
#10-32
Blind Hole
Steel
1.400 in
TPE Overlay PP
1997 In stock
5/16-18
Blind Hole
Steel
1.750 in
PP
500 In stock
1/2-13
Blind Hole
Steel
2.500 in
PP
993 In stock
3/8-16
Blind Hole
Steel
2.500 in
PP
1490 In stock
5/16-18
Thru-Hole
Steel
1.750 in
PP
490 In stock
3/8-16
Stop Nut
Steel
2.500 in
PP
736 In stock
3.250 in
#10-24
Stud
Steel
1.150 in
PP
814 In stock
0.750 in
5/16-18
Stud
Steel
1.750 in
PP
Request the lead time here
0.500 in
1/4-20
Stud
Steel
2.500 in
PP
889 In stock
0.750 in
3/8-16
Stud
Steel
2.500 in
PP
877 In stock
2.500 in
3/8-16
Stud
Steel
2.500 in
PP
    • of 5
4-Arm Knob 45.0 mm M8 26.42 mm Black Steel 100% Recycled PP

20127985


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
    Studded
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4-Arm Knob 45.0 mm M8 26.42 mm Black Steel 100% Recycled PP

20127961


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
    Studded
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4-Arm Knob 45.0 mm M8 26.42 mm Black Steel 100% Recycled PP

20128012


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
    Studded
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4-Arm Knob 1.750 in 5/16-18 1.020 in Black Steel PP

KN5C10004P4--21


Stock Levels
683 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 1/4-20 1.130 in Black Steel PP

KN4C10004P7--21


Stock Levels
312 In stock
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    1/4-20
  • 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

KN6C10004P7--21


Stock Levels
784 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

KN4C12504S2-S21


Stock Levels
1252 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 5/16-18 0.820 in Black Steel TPE Overlay PP

KN5C25004S4-S21


Stock Levels
1350 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 1.400 in 1/4-20 0.640 in Black Steel PP

KN4C03754S2--21


Stock Levels
1175 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 #10-32 0.640 in Black Steel TPE Overlay PP

KN02----4S2BS21


Stock Levels
1275 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 1.750 in 5/16-18 1.020 in Black Steel PP

KN5C----4P4B-22


Stock Levels
1997 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 1/2-13 1.130 in Black Steel PP

KN8C----4P7B-21


Stock Levels
500 In stock
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    1/2-13
  • 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----4P7B-21


Stock Levels
993 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 1.750 in 5/16-18 1.020 in Black Steel PP

KN5C----4P4--21


Stock Levels
1490 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

KN6C----4P7L-21


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 1.150 in #10-24 0.650 in Black Steel PP

KN0432504S1--21


Stock Levels
736 In stock
Attributes
  • Nominal Diameter
    1.150 in
  • Thread Size
    #10-24
  • Hub Diameter
    0.500 in
  • Knob Height
    0.650 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


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 1/4-20 1.130 in Black Steel PP

KN4C05004P7--21


Stock Levels
Request the lead time here
Attributes
  • Nominal Diameter
    2.500 in
  • Thread Size
    1/4-20
  • 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

KN6C07504P7--21


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
Quick View
View Product >
4-Arm Knob 2.500 in 3/8-16 1.130 in Black Steel PP

KN6C25004P7--21


Stock Levels
877 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
Quick View
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