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Clamping Knobs 4 Arm

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4 Arm Clamping Knobs provide a secure multi lobed 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 which provide 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
$0.98 - $1.68 Request the lead time here
0.370 in
1/4-20
Stud
Steel
1.400 in
PP
$1.79 - $3.08 Request the lead time here
#10-32
Blind Hole
Steel
1.400 in
TPE Overlay PP
$1.52 - $2.61 Request the lead time here
5/16-18
Blind Hole
Steel
1.750 in
PP
$2.13 - $3.68 Request the lead time here
1/2-13
Blind Hole
Steel
2.500 in
PP
$1.59 - $2.73 Request the lead time here
1/4-20
Through Hole
Steel
2.500 in
PP
$2.07 - $3.56 Request the lead time here
1/2-13
Through Hole
Steel
2.500 in
PP
$1.77 - $3.05 Request the lead time here
0.500 in
5/16-18
Stud
Steel
2.500 in
PP
$1.68 - $2.90 Request the lead time here
M8
Thru-Hole
Steel
Polypropylene
$1.80 - $3.09 Request the lead time here
M8
Stop Nut
Steel
Polypropylene
$1.34 - $2.28 Request the lead time here
M6
Thru-Hole
Steel
Polypropylene
$1.22 - $2.09 Request the lead time here
M6
Blind Hole
Steel
Polypropylene
$1.92 - $3.30 Request the lead time here
M10
Blind Hole
Steel
Polypropylene
$1.56 - $2.69 Request the lead time here
M6
Stop Nut
Steel
Polypropylene
$2.31 - $3.99 Request the lead time here
M8
Stop Nut
Steel
Polypropylene
$1.56 - $2.69 Request the lead time here
M8
Blind Hole
Steel
Polypropylene
$2.03 - $3.50 Request the lead time here
M10
Thru-Hole
Steel
Polypropylene
$1.44 - $2.49 Request the lead time here
M6
Stop Nut
Steel
Polypropylene
$1.47 - $2.54 Request the lead time here
0.591 in
M8
Stud
Steel
Polypropylene
$1.41 - $2.42 Request the lead time here
1.575 in
M6
Stud
Steel
Polypropylene
$1.74 - $2.99 Request the lead time here
1.575 in
M6
Stud
Steel
Polypropylene
  • of 5
4 Arm Knob 1.400 in 1/4-20 0.640 in Black Steel PP

KN4C03754S2--21

Price Range
$1.68 - $0.98

Stock Levels
Request the lead time here
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
4 Arm Knob 1.400 in #10-32 0.640 in Black Steel TPE Overlay PP

KN02----4S2BS21

Price Range
$3.08 - $1.79

Stock Levels
Request the lead time here
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
4 Arm Knob 1.750 in 5/16-18 1.020 in Black Steel PP

KN5C----4P4B-22

Price Range
$2.61 - $1.52

Stock Levels
Request the lead time here
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
4 Arm Knob 2.500 in 1/2-13 1.130 in Black Steel PP

KN8C----4P7B-21

Price Range
$3.68 - $2.13

Stock Levels
Request the lead time here
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
4 Arm Knob 2.500 in 1/4-20 1.130 in Black Steel PP

KN4C----4P7--21

Price Range
$2.73 - $1.59

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
4 Arm Knob 2.500 in 1/2-13 1.130 in Black Steel PP

KN8C----4P7--21

Price Range
$3.56 - $2.07

Stock Levels
Request the lead time here
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
4 Arm Knob 2.500 in 5/16-18 1.130 in Black Steel PP

KN5C05004P7--21

Price Range
$3.05 - $1.77

Stock Levels
Request the lead time here
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 45.0 mm M8 26.42 mm Black Steel 100% Recycled PP

20127121

Price Range
$2.90 - $1.68

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 M8 26.42 mm Black Steel 100% Recycled PP

20131791

Price Range
$3.09 - $1.80

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

20127114

Price Range
$2.28 - $1.34

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

20127145

Price Range
$2.09 - $1.22

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 M10 26.42 mm Black Steel 100% Recycled PP

20127169

Price Range
$3.30 - $1.92

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
4 Arm Knob 45.0 mm M6 20.83 mm Black Steel 100% Recycled PP

20131890

Price Range
$2.69 - $1.56

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

20131913

Price Range
$3.99 - $2.31

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 M8 26.42 mm Black Steel 100% Recycled PP

20127152

Price Range
$2.69 - $1.56

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 M10 26.42 mm Black Steel 100% Recycled PP

20127138

Price Range
$3.50 - $2.03

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 M6 26.42 mm Black Steel 100% Recycled PP

20131784

Price Range
$2.49 - $1.44

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
    Thru-hole (Stop Nut)
4 Arm Knob 45.0 mm M8 26.42 mm Black Steel 100% Recycled PP

20127961

Price Range
$2.54 - $1.47

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 M6 26.42 mm Black Steel 100% Recycled PP

20127954

Price Range
$2.42 - $1.41

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
    Studded
4 Arm Knob 45.0 mm M6 20.83 mm Black Steel 100% Recycled PP

20128340

Price Range
$2.99 - $1.74

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
    Studded