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Clamping Knobs 3 Arm Male Stud Ergonomic Grip

Clamping Knobs 3-Arm

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Our Clamping 3-Arm Knobs allow a secure grip to position, control and hold various equipment across a wide range of industries. The lobe and prong design provide a deeper scalloped profile with excellent control and gripping features. These are an ideal choice for moderate clamping applications and offer a simple yet economical solution.

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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
$0.94 - $1.62 2390 In stock
1.500 in
1.750 in
1/4" x 20
Stud
Steel
PP
$1.10 - $1.89 1741 In stock
0.625 in
1.750 in
5/16-18
Stud
Steel
PP
$0.65 - $1.11 1000 In stock
1.250 in
10-32
Thru-Hole
Steel
PP
$1.25 - $2.16 2387 In stock
1.750 in
3/8-16
Thru-Hole
Steel
PP
$1.27 - $2.19 590 In stock
1.250 in
2.000 in
5/16-18
Stud
Steel
PP
$1.16 - $1.99 3095 In stock
0.370 in
0.750 in
10-32
Stud
Steel
Nylon
$1.02 - $1.76 2239 In stock
2.000 in
1.750 in
1/4" x 20
Stud
Steel
PP
$1.31 - $2.26 1789 In stock
1.750 in
3/8-16
Blind Hole
Steel
PP
$1.19 - $2.05 2389 In stock
1.750 in
5/16-18
Stop Nut
Steel
PP
$1.13 - $1.95 2389 In stock
1.750 in
5/16-18
Thru-Hole
Steel
PP
$1.33 - $2.28 990 In stock
2.500 in
3/8-16
Thru-Hole
Steel
Polypropylene
$1.18 - $2.02 1742 In stock
1.250 in
1.750 in
5/16-18
Stud
Steel
PP
$1.35 - $2.33 314 In stock
3.500 in
2.000 in
3/8-16
Stud
Steel
PP
$0.95 - $1.63 Request the lead time here
1.750 in
1/4" x 20
Thru-Hole
Steel
PP
$1.19 - $2.04 Request the lead time here
1.000 in
2.000 in
1/4" x 20
Stud
Steel
PP
$1.35 - $2.33 490 In stock
2.500 in
3/8-16
Blind Hole
Steel
Polypropylene
$1.01 - $1.74 1770 In stock
1.750 in
1/4" x 20
Blind Hole
Steel
PP
$1.22 - $2.09 160 In stock
1.000 in
2.000 in
5/16-18
Stud
Steel
PP
$0.91 - $1.56 Request the lead time here
1.000 in
1.750 in
1/4" x 20
Stud
Steel
PP
$0.98 - $1.69 1040 In stock
1.750 in
1.750 in
1/4" x 20
Stud
Steel
PP
    • of 3
N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Stud Length 38.1 mm | 1.500 in

KN4C15003P4--21

Price Range
$1.62 - $0.94

Stock Levels
2390 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.500 in
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Stud Length 15.9 mm | 0.625 in

KN5C06253P4--21

Price Range
$1.89 - $1.10

Stock Levels
1741 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    0.625 in
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3-Arm Knob - Knob Diameter 31.8 mm | 1.250 in; ; Knob Height 11.4 mm | 0.450 in

KN02----3P1--21

Price Range
$1.11 - $0.65

Stock Levels
1000 In stock
Attributes
  • Knob Diameter
    1.250 in
  • Knob Height
    0.450 in
  • Hub Diameter
    0.620 in
  • Hub Height
    0.500 in
  • Thread Size
    10-32
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3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 14.2 mm | 0.560 in

KN6C----3P4--21

Price Range
$2.16 - $1.25

Stock Levels
2387 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    3/8-16
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3-Arm Knob - Knob Diameter 50.8 mm | 2.000 in; ; Knob Height 15.5 mm | 0.610 in

KN5C1250RT5--21

Price Range
$2.19 - $1.27

Stock Levels
590 In stock
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    0.610 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.490 in
  • Stud Length
    1.250 in
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3-Arm Knob - Knob Diameter 19.1 mm | 0.750 in; ; Knob Height 7.1 mm | 0.280 in

KN020375RT2-N21

Price Range
$1.99 - $1.16

Stock Levels
3095 In stock
Attributes
  • Knob Diameter
    0.750 in
  • Knob Height
    0.280 in
  • Hub Diameter
    0.500 in
  • Hub Height
    0.230 in
  • Stud Length
    0.370 in
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Stud Length 50.8 mm | 2.000 in

KN4C20003P4--21

Price Range
$1.76 - $1.02

Stock Levels
2239 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    2.000 in
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3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 14.2 mm | 0.560 in

KN6C----3P4B-21

Price Range
$2.26 - $1.31

Stock Levels
1789 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    3/8-16
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Knob Height 14.2 mm | 0.560 in

KN5C----3P4L-21

Price Range
$2.05 - $1.19

Stock Levels
2389 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    5/16-18
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 5/16-18; Knob Height 14.2 mm | 0.560 in

KN5C----3P4--21

Price Range
$1.95 - $1.13

Stock Levels
2389 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    5/16-18
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3-Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 16.3 mm | 0.640 in

KN6C----RT7--21

Price Range
$2.28 - $1.33

Stock Levels
990 In stock
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.120 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.480 in
  • Thread Size
    3/8-16
Quick View
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3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 14.2 mm | 0.560 in

KN5C12503P4--21

Price Range
$2.02 - $1.18

Stock Levels
1742 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.250 in
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3-Arm Knob - Knob Diameter 50.8 mm | 2.000 in; ; Knob Height 15.5 mm | 0.610 in

KN6C3500RT5--21

Price Range
$2.33 - $1.35

Stock Levels
314 In stock
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    0.610 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.490 in
  • Stud Length
    3.500 in
Quick View
View Product >
3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 14.2 mm | 0.560 in

KN4C----3P4--21

Price Range
$1.63 - $0.95

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    1/4" x 20
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3-Arm Knob - Knob Diameter 50.8 mm | 2.000 in; ; Knob Height 15.5 mm | 0.610 in

KN4C1000RT5--21

Price Range
$2.04 - $1.19

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    0.610 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.490 in
  • Stud Length
    1.000 in
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3-Arm Knob - Knob Diameter 63.5 mm | 2.500 in; ; Knob Height 16.3 mm | 0.640 in

KN6C----RT7B-21

Price Range
$2.33 - $1.35

Stock Levels
490 In stock
Attributes
  • Knob Diameter
    2.500 in
  • Knob Height
    1.120 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.480 in
  • Thread Size
    3/8-16
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3-Arm Knob - Knob Diameter 44.5 mm | 1.750 in; ; Knob Height 14.2 mm | 0.560 in

KN4C----3P4B-21

Price Range
$1.74 - $1.01

Stock Levels
1770 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Thread Size
    1/4" x 20
Quick View
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3-Arm Knob - Knob Diameter 50.8 mm | 2.000 in; ; Knob Height 15.5 mm | 0.610 in

KN5C1000RT5--21

Price Range
$2.09 - $1.22

Stock Levels
160 In stock
Attributes
  • Knob Diameter
    2.000 in
  • Knob Height
    0.610 in
  • Hub Diameter
    0.740 in
  • Hub Height
    0.490 in
  • Stud Length
    1.000 in
Quick View
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Stud Length 25.4 mm | 1.000 in

KN4C10003P4--21

Price Range
$1.56 - $0.91

Stock Levels
Request the lead time here
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.000 in
Quick View
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N/A - Knob Diameter 44.5 mm | 1.750 in; Thread Size 1/4-20; Stud Length 44.5 mm | 1.750 in

KN4C17503P4--21

Price Range
$1.69 - $0.98

Stock Levels
1040 In stock
Attributes
  • Knob Diameter
    1.750 in
  • Knob Height
    0.560 in
  • Hub Diameter
    0.750 in
  • Hub Height
    0.490 in
  • Stud Length
    1.750 in
Quick View
View Product >