Threading Threading |
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Quick to install, position, and remove, these knobs have an angled hole that allows you to tilt the knob to slide it over threads, then straighten it to grip the threads and secure the knob. They provide a firm grip to position, tighten, and hold fixtures, equipment, and machinery.
Steel knobs are stronger than plastic.
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.
Thread | Hub | Each | |||||||||
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Size | Dp. | Dia. | Ht. | Dia. | Ht. | Threading | Temperature Range, °F | Insert Material | 1-9 | 10-Up | |
Four Arm Grip | |||||||||||
Steel | |||||||||||
1/4"-20 | 5/8" | 1 1/8" | 5/16" | 9/16" | 5/16" | Fully Threaded | __ | __ | 0000000 | 00000 | 00000 |
5/16"-18 | 7/8" | 1 1/2" | 3/8" | 11/16" | 1/2" | Fully Threaded | __ | __ | 0000000 | 0000 | 0000 |
3/8"-16 | 1" | 2" | 1/2" | 13/16" | 1/2" | Fully Threaded | __ | __ | 0000000 | 0000 | 0000 |
1/2"-13 | 1 1/8" | 2 1/2" | 9/16" | 1" | 9/16" | Fully Threaded | __ | __ | 0000000 | 0000 | 0000 |
5/8"-11 | 1 1/4" | 3" | 5/8" | 1 1/4" | 5/8" | Fully Threaded | __ | __ | 0000000 | 00000 | 00000 |
3/4"-10 | 1 1/4" | 3" | 5/8" | 1 1/4" | 5/8" | Fully Threaded | __ | __ | 0000000 | 00000 | 00000 |
Black Polypropylene Plastic | |||||||||||
1/4"-20 | 3/4" | 2 1/4" | 9/16" | 1" | 7/16" | Partially Threaded | -40° to 125° | Brass | 0000000 | 0000 | 0000 |
3/8"-16 | 3/4" | 2 1/4" | 9/16" | 1" | 7/16" | Partially Threaded | -40° to 125° | Brass | 0000000 | 0000 | 0000 |
1/2"-13 | 3/4" | 2 1/4" | 9/16" | 1" | 7/16" | Partially Threaded | -40° to 125° | Brass | 0000000 | 0000 | 0000 |