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Threaded Stud | Create-Your- Own Hole |
Head Diameter Head Diameter |
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Stud Material Stud Material |
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Hub Diameter Hub Diameter |
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![]() | Black |
Thread Direction Thread Direction |
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Maximum Temperature Maximum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Locking Type Locking Type |
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Thread Locker Type Thread Locker Type |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Threaded-Stud Knobs








Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Phenolic has good scratch resistance.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||||||||
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Thread Size | Thread Pitch | Stud Lg. | Dia. | Wd. | Ht. | Dia. | Ht. | Stud Material | Temperature Range, °F | 1-9 | 10-Up | |
Style 2—Knurled Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
10-32 | __ | 1/2" | 1" | __ | 3/8" | 5/8" | 1/8" | Stainless Steel | -30° to 400° | 0000000 | 00000 | 00000 |
10-32 | __ | 1/2" | 1 1/4" | __ | 1/2" | 3/4" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
10-32 | __ | 1/2" | 1 3/4" | __ | 1/2" | 1" | 7/16" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
10-32 | __ | 1" | 1" | __ | 3/8" | 5/8" | 1/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
10-32 | __ | 1" | 1 1/4" | __ | 1/2" | 3/4" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
10-32 | __ | 1" | 1 3/4" | __ | 1/2" | 1" | 7/16" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1" | __ | 3/8" | 5/8" | 1/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 1/4" | __ | 1/2" | 3/4" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 3/4" | __ | 1/2" | 1" | 7/16" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1 3/8" | 1 1/4" | __ | 1/2" | 3/4" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1 1/2" | 1" | __ | 3/8" | 5/8" | 1/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1" | __ | 3/8" | 5/8" | 1/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 1/4" | __ | 1/2" | 3/4" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 3/4" | __ | 1/2" | 1" | 7/16" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 3/4" | 1 3/4" | __ | 1/2" | 1" | 7/16" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1" | __ | 3/8" | 5/8" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 1/4" | __ | 1/2" | 3/4" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 3/4" | __ | 1/2" | 1" | 7/16" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
M8 | 1.25mm | 30mm | 44mm | __ | 24mm | 25mm | __ | Steel | -20° to 380° | 0000000 | 0000 | 0000 |
Style 5—Ribbed Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
10-24 | __ | 1/2" | 7/8" | __ | 3/8" | 5/8" | 1/8" | Steel | -30° to 400° | 0000000 | 0000 | 000 |
10-32 | __ | 3/8" | 7/8" | __ | 3/8" | 5/8" | 1/8" | Steel | -30° to 400° | 0000000 | 0000 | 000 |
10-32 | __ | 1/2" | 7/8" | __ | 3/8" | 5/8" | 1/8" | Steel | -30° to 400° | 0000000 | 000 | 000 |
10-32 | __ | 1/2" | 1 3/4" | __ | 3/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
10-32 | __ | 3/4" | 7/8" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 000 |
10-32 | __ | 1" | 7/8" | __ | 3/8" | 5/8" | 1/4" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
10-32 | __ | 1" | 1 3/4" | __ | 3/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1/2" | 1 1/4" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1/2" | 1 3/4" | __ | 3/8" | 3/4" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 9/16" | 7/8" | __ | 3/8" | 5/8" | 1/8" | Steel | -30° to 400° | 0000000 | 000 | 000 |
1/4"-20 | __ | 9/16" | 1 1/2" | __ | 3/8" | 11/16" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 1/4" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 3/4" | __ | 3/8" | 3/4" | 5/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 7/8" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 1 1/4" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 1 1/2" | __ | 3/8" | 11/16" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 2" | __ | 11/16" | __ | __ | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 1/4" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 1/2" | __ | 3/8" | 11/16" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 3/4" | __ | 3/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 3/4" | 1 3/4" | __ | 3/8" | 3/4" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 7/8" | __ | 3/8" | 5/8" | 1/4" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 3/4" | __ | 3/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 2" | __ | 11/16" | __ | __ | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 2 1/2" | __ | 11/16" | 1 1/4" | 5/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1 1/2" | 1 3/4" | __ | 3/8" | 3/4" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1/2" | 1 1/4" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | 1 1/4" | __ | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | 2" | __ | 11/16" | __ | __ | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | 2 1/2" | __ | 11/16" | 1 1/4" | 5/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | 3" | __ | 9/16" | 1 1/4" | 5/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/2"-13 | __ | 1" | 2 1/2" | __ | 11/16" | 1 1/4" | 5/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/2"-13 | __ | 1" | 3" | __ | 13/16" | 1 1/4" | 11/16" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
Style 7—Two Arm Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
1/4"-20 | __ | 1/2" | __ | 1 1/8" | 5/8" | 1/2" | 1/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 9/16" | __ | 2" | 5/8" | 3/4" | 1/2" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | __ | 2" | 5/8" | 3/4" | 1/2" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | __ | 2" | 5/8" | 3/4" | 1/2" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | __ | 2 1/2" | 5/8" | 3/4" | 1/2" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | __ | 2" | 5/8" | 3/4" | 1/2" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 3/4" | __ | 2" | 5/8" | 3/4" | 1/2" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | __ | 2" | 5/8" | 3/4" | 1/2" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | __ | 2" | 5/8" | 3/4" | 1/2" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | __ | 2" | 5/8" | 3/4" | 1/2" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
M6 | 1mm | 30mm | __ | 29mm | 19mm | 13mm | __ | Steel | -20° to 380° | 00000000 | 0000 | 0000 |
M6 | 1mm | 30mm | __ | 51mm | 29mm | 19mm | __ | Steel | -20° to 380° | 00000000 | 0000 | 0000 |
M8 | 1.25mm | 30mm | __ | 29mm | 19mm | 13mm | __ | Steel | -20° to 380° | 00000000 | 0000 | 0000 |
M8 | 1.25mm | 30mm | __ | 51mm | 29mm | 19mm | __ | Steel | -20° to 380° | 00000000 | 0000 | 0000 |
Style 12—Three Arm Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
8-32 | __ | 1/2" | 7/8" | __ | 3/8" | 1/2" | 3/8" | Steel | -30° to 400° | 00000000 | 000 | 000 |
10-32 | __ | 7/16" | 1 1/8" | __ | 1/2" | 1/2" | 1/4" | Steel | -30° to 400° | 00000000 | 000 | 000 |
10-32 | __ | 1/2" | 7/8" | __ | 3/8" | 1/2" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 000 |
10-32 | __ | 3/4" | 7/8" | __ | 3/8" | 1/2" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 000 |
10-32 | __ | 1" | 1 1/8" | __ | 1/2" | 1/2" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
10-32 | __ | 1" | 1 1/2" | __ | 5/8" | 5/8" | 1/8" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1/2" | 7/8" | __ | 3/8" | 1/2" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 000 |
1/4"-20 | __ | 1/2" | 1 1/8" | __ | 1/2" | 1/2" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 9/16" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 1/8" | __ | 1/2" | 1/2" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 000 |
1/4"-20 | __ | 3/4" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 2" | __ | 5/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 1 1/8" | __ | 1/2" | 1/2" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 2" | __ | 5/8" | 3/4" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1 1/2" | 1 1/8" | __ | 1/2" | 1/2" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 1 1/2" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 1/2" | __ | 5/8" | 5/8" | 1/8" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 2" | __ | 5/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 3/4" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 3/4" | 2" | __ | 5/8" | 3/4" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 2" | __ | 5/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 2" | __ | 5/8" | 3/4" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
3/8"-16 | __ | 1/2" | 2" | __ | 5/8" | 3/4" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
3/8"-16 | __ | 3/4" | 2" | __ | 5/8" | 3/4" | 5/8" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | 2" | __ | 5/8" | 3/4" | 3/8" | Steel | -30° to 400° | 00000000 | 0000 | 0000 |
3/8"-16 | __ | 1 1/2" | 1 1/2" | __ | 5/8" | 5/8" | 1/4" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
3/8"-16 | __ | 1 1/2" | 2" | __ | 5/8" | 3/4" | 3/8" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
M8 | 1.25mm | 30mm | 51mm | __ | 32mm | 19mm | __ | Steel | -20° to 380° | 000000000 | 0000 | 0000 |
Style 13—Three Arm Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
1/4"-20 | __ | 1/2" | 1 1/4" | __ | 7/16" | 3/4" | 7/16" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 1/4" | __ | 7/16" | 3/4" | 7/16" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 1/4" | __ | 7/16" | 3/4" | 7/16" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 2 1/8" | __ | 11/16" | 1" | 3/16" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 3/4" | 2 1/8" | __ | 11/16" | 1" | 3/16" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 1/4" | __ | 7/16" | 3/4" | 7/16" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 2 1/8" | __ | 11/16" | 1" | 3/16" | Stainless Steel | -30° to 400° | 00000000 | 0000 | 0000 |
Style 15—Four Arm Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
8-32 | __ | 9/16" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Stainless Steel | -20° to 350° | 0000000 | 0000 | 0000 |
8-32 | __ | 1" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Stainless Steel | -20° to 350° | 0000000 | 0000 | 0000 |
10-32 | __ | 1/2" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Stainless Steel | -20° to 350° | 0000000 | 0000 | 0000 |
10-32 | __ | 1" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Stainless Steel | -20° to 350° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1/2" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1/2" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 3/4" | 2" | __ | 1/2" | 7/8" | 1/2" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 2" | __ | 1/2" | 7/8" | 1/2" | Stainless Steel | -20° to 350° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 2" | __ | 1/2" | 7/8" | 1/2" | Stainless Steel | -20° to 350° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1 1/4" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1 3/4" | 1 1/2" | __ | 1/2" | 5/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1/2" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 1 1/2" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 2" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | __ | 2 1/2" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/2"-13 | __ | 3/4" | 2" | __ | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
M5 | 0.8mm | 15mm | 25mm | __ | 8mm | 11mm | 9mm | Steel | -40° to 165° | 0000000 | 0000 | 0000 |
M6 | 1mm | 30mm | 32mm | __ | 11mm | 14mm | 10mm | Steel | -40° to 165° | 0000000 | 0000 | 0000 |
M8 | 1.25mm | 30mm | 40mm | __ | 12mm | 18mm | 14mm | Steel | -40° to 165° | 0000000 | 0000 | 0000 |
M10 | 1.5mm | 35mm | 50mm | __ | 14mm | 22mm | 18mm | Steel | -40° to 165° | 0000000 | 0000 | 0000 |
M12 | 1.75mm | 40mm | 63mm | __ | 17mm | 26mm | 25mm | Steel | -40° to 165° | 0000000 | 0000 | 0000 |
Style 17—Five Arm, Knurled Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
1/4"-20 | __ | 1/2" | 1 3/16" | __ | 7/16" | 13/16" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1/2" | 1 5/8" | __ | 5/8" | 1 3/16" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 3/16" | __ | 7/16" | 13/16" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1 5/8" | __ | 5/8" | 1 3/16" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 3/16" | __ | 7/16" | 13/16" | 3/8" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1" | 1 5/8" | __ | 5/8" | 1 3/16" | 1/4" | Stainless Steel | -30° to 400° | 0000000 | 0000 | 0000 |
Style 20—Eight Arm Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
3/8"-16 | __ | 3/4" | 2 3/8" | __ | 3/8" | 1 3/4" | 7/16" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
Vibration-Resistant Threaded-Stud Knobs


Bonded to the stud is an acrylic adhesive that adds friction to resist loosening from vibration. Use these knobs to position, tighten, and hold fixtures, equipment, and machinery. They mount into a threaded hole. Made of plastic, all resist oil, grease, and solvents.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Stud Lg. | Dia. | Ht. | Dia. | Ht. | Stud Material | Temperature Range, °F | 1-9 | 10-Up | |
Style 1—Ribbed Grip | ||||||||||
Black Phenolic Plastic | ||||||||||
10-32 | 1/2" | 7/8" | 3/8" | 5/8" | 1/8" | Steel | -30° to 200° | 0000000 | 00000 | 00000 |
1/4"-20 | 9/16" | 7/8" | 3/8" | 5/8" | 1/8" | Steel | -30° to 200° | 0000000 | 0000 | 0000 |
1/4"-20 | 9/16" | 1 1/2" | 3/8" | 11/16" | 3/8" | Steel | -30° to 200° | 0000000 | 0000 | 0000 |
1/4"-20 | 3/4" | 1 1/4" | 3/8" | 5/8" | 3/8" | Steel | -30° to 200° | 0000000 | 0000 | 0000 |
5/16"-18 | 3/4" | 1 3/4" | 3/8" | 3/4" | 3/8" | Steel | -30° to 200° | 0000000 | 0000 | 0000 |
Style 2—Four Arm Grip | ||||||||||
Black Phenolic Plastic | ||||||||||
1/4"-20 | 1" | 1 1/2" | 1/2" | 5/8" | 1/2" | Steel | -30° to 200° | 0000000 | 0000 | 0000 |
5/16"-18 | 1" | 1 1/2" | 1/2" | 5/8" | 1/2" | Steel | -30° to 200° | 0000000 | 0000 | 0000 |
3/8"-16 | 1" | 2" | 1/2" | 7/8" | 1/2" | Steel | -30° to 200° | 0000000 | 0000 | 0000 |
1/2"-13 | 3/4" | 2" | 1/2" | 7/8" | 1/2" | Steel | -30° to 200° | 0000000 | 00000 | 0000 |
Left-Hand Threaded-Stud Knobs


Knobs have left-hand threads; they're used in applications where counterclockwise motion can loosen common right-hand threads. Mount them into a threaded hole to position, tighten, and hold fixtures, equipment, and machinery.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Stud Lg. | Dia. | Ht. | Dia. | Ht. | Stud Material | Temperature Range, °F | 1-9 | 10-Up | |
Style 2—Ribbed Grip | ||||||||||
Black Phenolic Plastic | ||||||||||
1/4"-20 | 9/16" | 7/8" | 3/8" | 5/8" | 1/8" | Steel | -30° to 400° | 0000000 | 00000 | 00000 |
1/4"-20 | 9/16" | 1 1/2" | 3/8" | 11/16" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
1/4"-20 | 3/4" | 1 1/4" | 3/8" | 5/8" | 3/8" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
Style 3—Four Arm Grip | ||||||||||
Black Phenolic Plastic | ||||||||||
1/4"-20 | 1" | 1 1/2" | 1/2" | 5/8" | 1/2" | Steel | -30° to 400° | 0000000 | 0000 | 0000 |
3/8"-16 | 1" | 2" | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 00000 | 0000 |
1/2"-13 | 3/4" | 2" | 1/2" | 7/8" | 1/2" | Steel | -30° to 400° | 0000000 | 00000 | 00000 |
Machinable-Hub Knobs

Mill specific holes or keyways in the hub to meet your specifications, or weld in place. These knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents.
For technical drawings and 3-D models, click on a part number.