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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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92 results
Product SKUs information
Item Code Price range Availability Stud Length Thread Size Insert Type Insert Material Nominal Diameter Knob Material View
$0.78 - $1.34 735 In stock
2.000 in
5/16-18
Stud
Steel
1.400 in
PP
$1.10 - $1.88 950 In stock
1/4-20
Thru-Hole
Steel
2.500 in
PP
$1.38 - $2.37 490 In stock
3/8-16
Stop Nut
Steel
2.500 in
PP
$1.19 - $2.05 424 In stock
5/16-18
Thru-Hole
Steel
2.500 in
PP
$0.91 - $1.56 1190 In stock
1/4-20
Stop Nut
Steel
1.730 in
PP
$1.41 - $2.42 785 In stock
1.500 in
3/8-16
Stud
Steel
2.500 in
PP
$0.90 - $1.55 Request the lead time here
1/4-20
Thru-Hole
Steel
1.750 in
PP
$2.12 - $3.65 Request the lead time here
M10
Blind Hole
Steel
Polypropylene with TPE Overlay
$1.88 - $3.23 Request the lead time here
1.181 in
M8
Stud
Steel
Polypropylene with TPE Overlay
$1.99 - $3.42 Request the lead time here
1.378 in
M8
Stud
Steel
Polypropylene with TPE Overlay
$2.10 - $3.61 Request the lead time here
1.575 in
M8
Stud
Steel
Polypropylene with TPE Overlay
$0.90 - $1.55 Request the lead time here
M6
Thru-Hole
Steel
Polypropylene
$1.25 - $2.15 Request the lead time here
M8
Blind Hole
Steel
Polypropylene
$1.06 - $1.82 Request the lead time here
0.787 in
M8
Stud
Steel
Polypropylene
$1.16 - $2.00 Request the lead time here
M8
Thru-Hole
Steel
Polypropylene
$0.84 - $1.44 Request the lead time here
M6
Blind Hole
Steel
Polypropylene
$1.59 - $2.75 Request the lead time here
M8
Stop Nut
Steel
Polypropylene
$1.40 - $2.41 Request the lead time here
M10
Thru-Hole
Steel
Polypropylene
$1.08 - $1.85 Request the lead time here
M8
Blind Hole
Steel
Polypropylene
$1.08 - $1.85 Request the lead time here
M6
Stop Nut
Steel
Polypropylene
  • of 5
4-Arm Knob 1.400 in 5/16-18 0.640 in Black Steel PP

KN5C20004S2--21

Price Range
$1.34 - $0.78

Stock Levels
735 In stock
Attributes
  • Nominal Diameter
    1.400 in
  • Thread Size
    5/16-18
  • Hub Diameter
    0.550 in
  • Knob Height
    0.640 in
  • Hub Height
    0.180 in
4-Arm Knob 2.500 in 1/4-20 1.130 in Black Steel PP

KN4C----4P7--21

Price Range
$1.88 - $1.10

Stock Levels
950 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
4-Arm Knob 2.500 in 3/8-16 1.130 in Black Steel PP

KN6C----4P7L-21

Price Range
$2.37 - $1.38

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
4-Arm Knob 2.500 in 5/16-18 1.130 in Black Steel PP

KN5C----4P7--21

Price Range
$2.05 - $1.19

Stock Levels
424 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
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
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
4-Arm Knob 1.750 in 1/4-20 1.020 in Black Steel PP

KN4C----4P4--21

Price Range
$1.55 - $0.90

Stock Levels
Request the lead time here
Attributes
  • Nominal Diameter
    1.750 in
  • Thread Size
    1/4-20
  • Hub Diameter
    0.750 in
  • Knob Height
    1.020 in
  • Hub Height
    0.520 in
4-Arm Knob 45.0 mm M10 20.83 mm Black Steel 100% Recycled PP

20600532

Price Range
$3.65 - $2.12

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M10
  • Hub Diameter
    0.75 in
  • Knob Height
    0.82 in
  • Hub Height
    0.177 in
  • Knob Style
    Blind Hole
4-Arm Knob 45.0 mm M8 20.83 mm Black Steel 100% Recycled PP

20128586

Price Range
$3.23 - $1.88

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M8
  • Hub Diameter
    0.75 in
  • Knob Height
    0.82 in
  • Hub Height
    0.177 in
  • Knob Style
    Studded
4-Arm Knob 45.0 mm M8 20.83 mm Black Steel 100% Recycled PP

20128593

Price Range
$3.42 - $1.99

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M8
  • Hub Diameter
    0.75 in
  • Knob Height
    0.82 in
  • Hub Height
    0.177 in
  • Knob Style
    Studded
4-Arm Knob 45.0 mm M8 20.83 mm Black Steel 100% Recycled PP

20128609

Price Range
$3.61 - $2.10

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M8
  • Hub Diameter
    0.75 in
  • Knob Height
    0.82 in
  • Hub Height
    0.177 in
  • Knob Style
    Studded
4-Arm Knob 45.0 mm M6 20.83 mm Black Steel 100% Recycled PP

20127336

Price Range
$1.55 - $0.90

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
4-Arm Knob 45.0 mm M8 20.83 mm Black Steel 100% Recycled PP

20127367

Price Range
$2.15 - $1.25

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

20127978

Price Range
$1.82 - $1.06

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

20127121

Price Range
$2.00 - $1.16

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
4-Arm Knob 45.0 mm M6 26.42 mm Black Steel 100% Recycled PP

20127145

Price Range
$1.44 - $0.84

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M6
  • Hub Diameter
    0.75 in
  • Knob Height
    1.04 in
  • Hub Height
    0.54 in
  • Knob Style
    Blind Hole
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)
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
4-Arm Knob 45.0 mm M8 26.42 mm Black Steel 100% Recycled PP

20127152

Price Range
$1.85 - $1.08

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
    Blind Hole
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)