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.
For large volumes and customized products, add to your cart and click request a quote orcontact usand we will respond within 2 working days.
Use the filters or search below to find what you're looking for
| Price range | Availability | Stud Length | Knob Diameter | Thread Size | Insert Type | Insert Material | Knob Material | View | |
|---|---|---|---|---|---|---|---|---|---|
| KNS2200A | $0.6096 - $1.8708 | 5247 In stock | 
0.750 in
 
19.1 mm
 | 
1.575 in
 
40 mm
 | 
1/4" x 20
 | 
Stud
 | 
Steel
 | 
PP
 | |
| $2.6075 - $3.4762 | 4690 In stock | 
1.575 in
 
40 mm
 | 
3.150 in
 
80 mm
 | 
1/2-13
 | 
Stud
 | 
Steel
 | 
Phenolic
 | ||
| $1.29 - $2.22 | 784 In stock | 
1.000 in
 
25.4 mm
 | 
2.500 in
 
63.5 mm
 | 
3/8-16
 | 
Stud
 | 
Steel
 | 
PP
 | ||
| $1.44 - $2.48 | 1244 In stock | 
1.250 in
 
31.8 mm
 | 
1.400 in
 
35.6 mm
 | 
1/4" x 20
 | 
Stud
 | 
Steel
 | 
TPE
 | ||
| $1.01 - $1.74 | 1997 In stock |  | 
1.750 in
 
44.5 mm
 | 
5/16-18
 | 
Blind Hole
 | 
Steel
 | 
PP
 | ||
| $0.88 - $1.51 | 1190 In stock |  | 
1.730 in
 
43.9 mm
 | 
1/4" x 20
 | 
Stop Nut
 | 
Steel
 | 
PP
 | ||
| $1.19 - $2.05 | 1015 In stock |  | 
2.500 in
 
63.5 mm
 | 
5/16-18
 | 
Blind Hole
 | 
Steel
 | 
PP
 | ||
| $1.24 - $2.13 | 490 In stock |  | 
2.500 in
 
63.5 mm
 | 
3/8-16
 | 
Thru-Hole
 | 
Steel
 | 
PP
 | ||
| $0.96 - $1.65 | 414 In stock | 
0.500 in
 
12.7 mm
 | 
1.730 in
 
43.9 mm
 | 
5/16-18
 | 
Stud
 | 
Steel
 | 
PP
 | ||
| $1.29 - $2.21 | 993 In stock |  | 
2.500 in
 
63.5 mm
 | 
3/8-16
 | 
Blind Hole
 | 
Steel
 | 
PP
 | ||
| $1.70 - $2.92 | 1350 In stock | 
2.500 in
 
63.5 mm
 | 
1.730 in
 
43.9 mm
 | 
5/16-18
 | 
Stud
 | 
Steel
 | 
TPE
 | ||
| $1.22 - $2.09 | 390 In stock | 
1.000 in
 
25.4 mm
 | 
2.500 in
 
63.5 mm
 | 
5/16-18
 | 
Stud
 | 
Steel
 | 
PP
 | ||
| $1.19 - $2.05 | 1275 In stock |  | 
1.400 in
 
35.6 mm
 | 
10-32
 | 
Blind Hole
 | 
Steel
 | 
TPE
 | ||
| $0.89 - $0.94 | 1580 In stock | 
0.620 in
 
15.7 mm
 | 
1.150 in
 
29.2 mm
 | 
1/4" x 20
 | 
Stud
 | 
Brass
 | 
PP
 | ||
| $0.92 - $1.58 | 2445 In stock |  | 
1.750 in
 
44.5 mm
 | 
1/4" x 20
 | 
Blind Hole
 | 
Steel
 | 
PP
 | ||
| $1.51 - $2.59 | 1224 In stock | 
0.750 in
 
19.1 mm
 | 
1.730 in
 
43.9 mm
 | 
10-32
 | 
Stud
 | 
Steel
 | 
TPE
 | ||
| $1.11 - $1.91 | Request the lead time here | 
0.500 in
 
12.7 mm
 | 
2.500 in
 
63.5 mm
 | 
1/4" x 20
 | 
Stud
 | 
Steel
 | 
PP
 | ||
| $1.14 - $1.97 | 312 In stock | 
1.000 in
 
25.4 mm
 | 
2.500 in
 
63.5 mm
 | 
1/4" x 20
 | 
Stud
 | 
Steel
 | 
PP
 | ||
| $1.25 - $2.15 | 889 In stock | 
0.750 in
 
19.1 mm
 | 
2.500 in
 
63.5 mm
 | 
3/8-16
 | 
Stud
 | 
Steel
 | 
PP
 | ||
| $1.38 - $2.37 | 990 In stock | 
0.630 in
 
16 mm
 | 
1.400 in
 
35.6 mm
 | 
1/4" x 20
 | 
Stud
 | 
Steel
 | 
TPE
 | ||
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