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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 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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Product SKUs information
Item Code Price range Availability Stud Length Knob Diameter Thread Size Insert Type Insert Material Knob Material View
$1.71 - $3.74 Request the lead time here
2.500 in
1/4-20
Blind Hole
Steel
PP
$1.22 - $2.64 Request the lead time here
1.400 in
1/4-20
Blind Hole
Brass
PP
$1.97 - $4.29 Request the lead time here
2.500 in
1.750 in
5/16-18
Stud
Steel
PP
$2.24 - $4.88 Request the lead time here
0.500 in
2.500 in
5/16-18
Stud
Steel
PP
$2.39 - $5.19 Request the lead time here
1.250 in
2.500 in
3/8-16
Stud
Steel
PP
$3.02 - $6.57 Request the lead time here
0.750 in
1.400 in
10-32
Stud
Steel
TPE
$3.65 - $7.94 Request the lead time here
0.750 in
1.730 in
10-32
Stud
Steel
TPE
$4.49 - $9.75 Request the lead time here
1.500 in
2.000 in
1/4-20
Stud
Steel
TPE
$1.82 - $3.98 Request the lead time here
2.000 in
1.400 in
5/16-18
Stud
Steel
PP
$1.82 - $3.95 Request the lead time here
1.400 in
1/4-20
Blind Hole
Steel
TPE
$1.73 - $3.75 Request the lead time here
2.500 in
5/16-18
Through Hole
Steel
PP
$1.34 - $2.91 Request the lead time here
1.730 in
1/4-20
Stop Nut
Steel
PP
$1.65 - $3.60 Request the lead time here
0.750 in
1.750 in
5/16-18
Stud
Steel
PP
$2.22 - $4.85 Request the lead time here
0.500 in
2.500 in
1/4-20
Stud
Steel
PP
$2.30 - $5.00 Request the lead time here
0.750 in
2.500 in
3/8-16
Stud
Steel
PP
$2.61 - $5.67 Request the lead time here
2.500 in
2.500 in
3/8-16
Stud
Steel
PP
$3.00 - $6.53 Request the lead time here
0.630 in
1.400 in
1/4-20
Stud
Steel
TPE
$3.69 - $8.04 Request the lead time here
0.750 in
1.730 in
5/16-18
Stud
Steel
TPE
$1.29 - $2.81 Request the lead time here
0.620 in
1.150 in
1/4-20
Stud
Brass
PP
$1.83 - $3.99 Request the lead time here
0.500 in
1.730 in
5/16-18
Stud
Steel
PP
    • of 3
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 1/4-20; Knob Height 28.7 mm | 1.130 in

KN4C----4P7B-21

Price Range
$3.74 - $1.71

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
  • Thread Size
    1/4-20
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N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 1/4-20; Knob Height 16.3 mm | 0.640 in

KN4C----4S2B-90

Price Range
$2.64 - $1.22

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Thread Size
    1/4-20
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 63.5 mm | 2.500 in

KN5C25004P4--21

Price Range
$4.29 - $1.97

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.020 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.520 in
  • Stud Length
    2.500 in
Quick View
View Product >
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 5/16-18; Stud Length 12.7 mm | 0.500 in

KN5C05004P7--21

Price Range
$4.88 - $2.24

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
Quick View
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N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 3/8-16; Stud Length 31.8 mm | 1.250 in

KN6C12504P7--21

Price Range
$5.19 - $2.39

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
    1.250 in
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View Product >
N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 10-32; Stud Length 19.1 mm | 0.750 in

KN0207504S2-S21

Price Range
$6.57 - $3.02

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Stud Length
    0.750 in
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N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 10-32; Stud Length 19.1 mm | 0.750 in

KN0207504S4-S21

Price Range
$7.94 - $3.65

Stock Levels
Request the lead time here
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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N/A - Knob Diameter 50.8 mm | 2.000 in; Thread Size 1/4-20; Stud Length 38.1 mm | 1.500 in

KN4C15004S5-S21

Price Range
$9.75 - $4.49

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Stud Length
    1.500 in
Quick View
View Product >
N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 5/16-18; Stud Length 50.8 mm | 2.000 in

KN5C20004S2--21

Price Range
$3.98 - $1.82

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Stud Length
    2.000 in
Quick View
View Product >
N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 1/4-20; Knob Height 16.3 mm | 0.640 in

KN4C----4S2BS21

Price Range
$3.95 - $1.82

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.400 in
  • Knob Height
    0.640 in
  • Hub Diameter
    0.550 in
  • Hub Height
    0.180 in
  • Thread Size
    1/4-20
Quick View
View Product >
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 5/16-18; Knob Height 28.7 mm | 1.130 in

KN5C----4P7--21

Price Range
$3.75 - $1.73

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
  • Thread Size
    5/16-18
Quick View
View Product >
N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 1/4-20; Knob Height 20.8 mm | 0.820 in

KN4C----4S4BL22

Price Range
$2.91 - $1.34

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.730 in
  • Knob Height
    0.820 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.250 in
  • Thread Size
    1/4-20
Quick View
View Product >
N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 19.1 mm | 0.750 in

KN5C07504P4--21

Price Range
$3.60 - $1.65

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    1.020 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.520 in
  • Stud Length
    0.750 in
Quick View
View Product >
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 1/4-20; Stud Length 12.7 mm | 0.500 in

KN4C05004P7--21

Price Range
$4.85 - $2.22

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
Quick View
View Product >
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 3/8-16; Stud Length 19.1 mm | 0.750 in

KN6C07504P7--21

Price Range
$5.00 - $2.30

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
    0.750 in
Quick View
View Product >
N/A - Knob Diameter 63.5 mm | 2.500 in; Thread Size 3/8-16; Stud Length 63.5 mm | 2.500 in

KN6C25004P7--21

Price Range
$5.67 - $2.61

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
    2.500 in
Quick View
View Product >
N/A - Knob Diameter 35.6 mm | 1.400 in; Thread Size 1/4-20; Stud Length 16 mm | 0.630 in

KN4C06254S2-S21

Price Range
$6.53 - $3.00

Stock Levels
Request the lead time here
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
Quick View
View Product >
N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 5/16-18; Stud Length 19.1 mm | 0.750 in

KN5C07504S4-S21

Price Range
$8.04 - $3.69

Stock Levels
Request the lead time here
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
Quick View
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N/A - Knob Diameter 29.2 mm | 1.150 in; Thread Size 1/4-20; Stud Length 15.7 mm | 0.620 in

KN4C06254S1--90

Price Range
$2.81 - $1.29

Stock Levels
Request the lead time here
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
Quick View
View Product >
N/A - Knob Diameter 43.9 mm | 1.730 in; Thread Size 5/16-18; Stud Length 12.7 mm | 0.500 in

KN5C05004S4--21

Price Range
$3.99 - $1.83

Stock Levels
Request the lead time here
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
Quick View
View Product >