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.
Head | Hub | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Stud Lg. | Dia. | Ht. | Dia. | Ht. | Stud Material | Temperature Range, °F | 1-9 | 10-Up | |
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 | 00000 | 00000 |
Threaded-Hole Knobs
Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Aluminum knobs have mild corrosion resistance, are lightweight, and are nonmagnetic.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Phenolic has good scratch resistance.
Unthreaded-Hole Knobs
Tap custom threads or secure with a set screw to provide a firm grip to position, tighten, and hold fixtures, equipment, and machinery.
Aluminum knobs have mild corrosion resistance, are lightweight, and are nonmagnetic.
Hole | Head | Each | ||||||
|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 14—Eight Arm Grip | ||||||||
Aluminum | ||||||||
| 1/2" | 1 1/4" | 3 1/2" | 3/4" | 1 1/4" | 1" | 000000000 | 000000 | 000000 |
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.
Aluminum knobs have mild corrosion resistance, are lightweight, and are nonmagnetic.
Head | Hub | Each | ||||
|---|---|---|---|---|---|---|
| Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 8—Eight Arm Grip | ||||||
319 Aluminum | ||||||
| 3 1/2" | 3/4" | 1 1/4" | 1 1/8" | 00000000 | 00000 | 00000 |
Square-Through-Hole Knobs
Primarily used on spigot valves, slide these knobs over valves with a square stem and secure them in place with your fastener.
Zinc knobs have good corrosion resistance.
Aluminum knobs have mild corrosion resistance, are lightweight, and are nonmagnetic.
Head | Hole | ||||
|---|---|---|---|---|---|
| Dia. | Ht. | Wd. | Dp. | Each | |
Eight Arm Grip | |||||
Zinc | |||||
| 2 1/2" | 1/2" | 1/4" | 3/8" | 0000000 | 00000 |
| 2 1/2" | 1/2" | 9/32" | 3/8" | 0000000 | 0000 |
| 2 1/2" | 1/2" | 3/8" | 3/8" | 0000000 | 0000 |
| 2 3/4" | 1/2" | 9/32" | 3/8" | 00000000 | 0000 |
| 2 3/4" | 1/2" | 3/8" | 3/8" | 00000000 | 0000 |
| 3 1/2" | 9/16" | 7/16" | 7/16" | 0000000 | 0000 |
| 3 1/2" | 9/16" | 1/2" | 7/16" | 0000000 | 0000 |
Aluminum | |||||
| 2 1/2" | 1/2" | 1/4" | 3/8" | 00000000 | 0000 |
| 2 1/2" | 1/2" | 9/32" | 3/8" | 000000000 | 0000 |
| 2 1/2" | 1/2" | 3/8" | 3/8" | 000000000 | 0000 |
| 2 3/4" | 1/2" | 9/32" | 3/8" | 00000000 | 0000 |
| 2 3/4" | 1/2" | 3/8" | 3/8" | 00000000 | 0000 |
| 3 1/2" | 9/16" | 7/16" | 7/16" | 00000000 | 0000 |
| 3 1/2" | 9/16" | 1/2" | 7/16" | 00000000 | 0000 |