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 | |||
---|---|---|---|---|---|---|---|---|---|---|---|
$0.4763 - $1.4669 | In production |
0.500 in
12.7 mm
|
1.575 in
40 mm
|
5/16-18
|
Stud
|
Steel
|
PP
|
||||
$1.8697 - $5.3918 | 5500 In stock |
1.575 in
40 mm
|
3.150 in
80 mm
|
1/2-13
|
Stud
|
Steel
|
Phenolic
|
||||
$0.4948 - $1.529 | 6173 In stock |
0.750 in
19.1 mm
|
1.575 in
40 mm
|
5/16-18
|
Stud
|
Steel
|
PP
|
||||
$0.8496 - $2.6189 | 4991 In stock |
1.500 in
38.1 mm
|
2.362 in
60 mm
|
5/16-18
|
Stud
|
Steel
|
PP
|
||||
KNS2200A | $0.4711 - $1.4458 | 4604 In stock |
0.750 in
19.1 mm
|
1.575 in
40 mm
|
1/4-20
|
Stud
|
Steel
|
PP
|
|||
$0.5278 - $1.6199 | 2300 In stock |
1.000 in
25.4 mm
|
1.575 in
40 mm
|
5/16-18
|
Stud
|
Steel
|
PP
|
||||
$1.135 - $3.2461 | 3370 In stock |
0.984 in
25 mm
|
1.969 in
50 mm
|
5/16-18
|
Stud
|
Steel
|
Phenolic
|
||||
$0.537 - $1.6501 | 3276 In stock |
1.375 in
34.9 mm
|
1.575 in
40 mm
|
1/4-20
|
Stud
|
Steel
|
PP
|
||||
KNS2700A | $0.57 - $1.741 | In production |
1.375 in
34.9 mm
|
1.575 in
40 mm
|
5/16-18
|
Stud
|
Steel
|
PP
|
|||
KSP2100A | $1.4406 - $4.1044 | 5777 In stock |
1.181 in
30 mm
|
2.362 in
60 mm
|
3/8-16
|
Stud
|
Steel
|
Phenolic
|
|||
$0.7389 - $2.2708 | 5202 In stock |
0.750 in
19.1 mm
|
2.362 in
60 mm
|
5/16-18
|
Stud
|
Steel
|
PP
|
||||
KSP1300A | $1.5522 - $4.1417 | In production |
|
2.362 in
60 mm
|
3/8-16
|
Thru-Hole
|
Brass
|
Phenolic
|
|||
KNS1200A | $0.4948 - $1.529 | In production |
|
1.575 in
40 mm
|
1/4-20
|
Blind Hole
|
Steel
|
PP
|
|||
$0.8286 - $2.5584 | 3146 In stock |
|
2.362 in
60 mm
|
5/16-18
|
Blind Hole
|
Steel
|
PP
|
||||
$1.3041 - $3.7127 | 2347 In stock |
|
1.969 in
50 mm
|
5/16-18
|
Thru-Hole
|
Brass
|
Phenolic
|
||||
$2.3088 - $6.6228 | 15557 In stock |
|
3.150 in
80 mm
|
1/2-13
|
Thru-Hole
|
Brass
|
Phenolic
|
||||
$1.2601 - $3.6007 | 4528 In stock |
|
2.362 in
60 mm
|
3/8-16
|
Blind Hole
|
Aluminum
|
Phenolic
|
||||
$1.0927 - $3.1156 | 5200 In stock |
|
1.969 in
50 mm
|
5/16-18
|
Blind Hole
|
Aluminum
|
Phenolic
|
||||
$2.0161 - $5.7834 | 3090 In stock |
|
3.150 in
80 mm
|
1/2-13
|
Blind Hole
|
Aluminum
|
Phenolic
|
||||
$2.93 - $6.39 | 1350 In stock |
2.500 in
63.5 mm
|
1.730 in
43.9 mm
|
5/16-18
|
Stud
|
Steel
|
TPE
|
||||
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