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.
For technical drawings and 3-D models, click on a part number.
Threaded Through-Hole Knobs
Long shafts can thread through these knobs for mounting versatility. The 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. Phenolic has good scratch resistance.
For technical drawings and 3-D models, click on a part number.
Thread | Head | Hub | Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch | Dp. | Dia. | Ht. | Dia. | Ht. | Insert Material | Set Screw Thread Size | Temperature Range, °F | 1-9 | 10-Up | |
Style 11—Six Arm Grip | ||||||||||||
Iron | ||||||||||||
| 3/8"-16 | __ | 1" | 2" | 1/2" | 7/8" | 1/2" | __ | __ | __ | 00000000 | 000000 | 000000 |
| 3/8"-16 | __ | 2" | 1 1/2" | 1/2" | 7/8" | 1 1/2" | __ | __ | __ | 0000000 | 00000 | 00000 |
| 3/8"-16 | __ | 2" | 2" | 1/2" | 7/8" | 1 1/2" | __ | __ | __ | 0000000 | 00000 | 00000 |
| 1/2"-13 | __ | 1 1/4" | 2 3/4" | 1/2" | 1 1/4" | 3/4" | __ | __ | __ | 0000000 | 00000 | 00000 |
| 1/2"-13 | __ | 2" | 2 3/4" | 1/2" | 1 1/4" | 1 1/2" | __ | __ | __ | 0000000 | 00000 | 00000 |
| 3/4"-10 | __ | 1 1/2" | 3 1/2" | 5/8" | 1 5/8" | 7/8" | __ | __ | __ | 0000000 | 00000 | 00000 |
Style 12—Six Arm Grip | ||||||||||||
Iron | ||||||||||||
| 3/8"-16 | __ | 2" | 2" | 1/2" | 7/8" | 1 1/2" | __ | 1/4"-20 | __ | 0000000 | 00000 | 00000 |
| 1/2"-13 | __ | 1 1/4" | 2 3/4" | 1/2" | 1 1/4" | 3/4" | __ | 1/4"-20 | __ | 0000000 | 00000 | 00000 |
| 1/2"-13 | __ | 2" | 2 3/4" | 1/2" | 1 1/4" | 1 1/2" | __ | 1/4"-20 | __ | 0000000 | 00000 | 00000 |
| 3/4"-10 | __ | 1 1/2" | 3 1/2" | 5/8" | 1 5/8" | 7/8" | __ | 1/4"-20 | __ | 0000000 | 00000 | 00000 |
Style 13—Six Arm Grip | ||||||||||||
Black Phenolic Plastic | ||||||||||||
| M6 | 1mm | 18mm | 40mm | 15mm | 21mm | 13mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M8 | 1.25mm | 18mm | 40mm | 15mm | 21mm | 13mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M8 | 1.25mm | 18mm | 50mm | 17mm | 24mm | 15mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M10 | 1.5mm | 18mm | 40mm | 15mm | 21mm | 13mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M10 | 1.5mm | 18mm | 50mm | 17mm | 24mm | 15mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M12 | 1.75mm | 18mm | 50mm | 17mm | 24mm | 15mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M12 | 1.75mm | 25mm | 60mm | 20mm | 28mm | 15mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M16 | 2mm | 25mm | 60mm | 20mm | 28mm | 15mm | Brass | __ | 0° to 240° | 0000000 | 0000 | 0000 |
| M16 | 2mm | 25mm | 70mm | 21mm | 32mm | 21mm | Brass | __ | 0° to 240° | 0000000 | 00000 | 00000 |
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.
For technical drawings and 3-D models, click on a part number.
Screw-Head Mount Knobs
To build a custom knob or thumb screw, pair one of these knobs with a hex or socket head screw and press the knob and screw together. All of these knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery. Made of plastic, they resist oil, grease, and solvents. Use color to identify equipment controls and components at a glance.
For technical drawings and 3-D models, click on a part number.
Head | |||||||
|---|---|---|---|---|---|---|---|
| For Screw Size | Dia. | Ht. | Temperature Range, °F | Choose a Color | Pkg. Qty. | Pkg. | |
Style 7—Six Arm Grip | |||||||
Acetal Plastic—For Socket Head Screws | |||||||
| 1/4" | 1 1/2" | 15/32" | 35° to 180° | 10 | 000000000 | 00000 | |
| 5/16" | 1 1/2" | 13/32" | 35° to 180° | 10 | 000000000 | 0000 | |
| 3/8" | 1 1/2" | 15/32" | 35° to 180° | 10 | 000000000 | 0000 | |
| M6 | 38mm | 12.2mm | 35° to 180° | 10 | 000000000 | 0000 | |
| M8 | 38mm | 10.4mm | 35° to 180° | 10 | 000000000 | 0000 | |
| M10 | 38mm | 12.5mm | 35° to 180° | 10 | 000000000 | 0000 | |
Screw-Head Mount Knob Assortments
Keep a convenient selection of knobs on hand. To build a custom knob or thumb screw, pair one of these knobs with a socket head screw. Press the knob and screw together using a bench vise or an arbor press. Use these knobs to provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery. Made of plastic, they resist oil, grease, and solvents.
| Total No. of Pieces | Grip Style | No. of Pieces | For Screw Size | Temperature Range, °F | Each | |
Black Acetal Plastic | ||||||
|---|---|---|---|---|---|---|
For Socket Head Screws | ||||||
| 295 | Knurled Single Arm Two Arm Six Arm | 140 15 60 80 | No. 4, No. 6, No. 8, No. 10, 1/4", 5/16" No. 10, 1/4", 5/16" No. 10, 1/4", 5/16", 3/8" 1/4", 5/16", 3/8" | 35° to 180° | 000000000 | 0000000 |
| 260 | Knurled Two Arm Six Arm | 120 60 80 | M3, M4, M5, M6, M8 M5, M6, M8 M6, M8, M10 | 35° to 180° | 000000000 | 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.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||
|---|---|---|---|---|---|---|
| Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 7—Six Arm Grip | ||||||
Iron | ||||||
| 1 1/2" | 1/2" | 7/8" | 1 1/2" | 0000000 | 00000 | 00000 |
| 2" | 1/2" | 7/8" | 1/2" | 0000000 | 0000 | 0000 |
| 2" | 1/2" | 7/8" | 1 1/2" | 0000000 | 00000 | 0000 |
| 2 3/4" | 1/2" | 1 1/4" | 3/4" | 0000000 | 00000 | 00000 |
| 2 3/4" | 1/2" | 1 1/4" | 1 1/2" | 0000000 | 00000 | 00000 |
| 3 1/2" | 5/8" | 1 5/8" | 7/8" | 0000000 | 00000 | 00000 |
319 Aluminum | ||||||
| 1 1/2" | 1/2" | 3/4" | 7/8" | 00000000 | 0000 | 0000 |
| 2" | 3/4" | 1" | 7/8" | 00000000 | 0000 | 0000 |
Unthreaded Through-Hole Knobs
Create custom threads or secure with a set screw to provide a firm grip to position, tighten, and hold fixtures, equipment, and machinery. Long shafts can pass through these knobs for mounting versatility.
For technical drawings and 3-D models, click on a part number.
Hole | Head | Hub | Each | |||||
|---|---|---|---|---|---|---|---|---|
| Dia. | Dp. | Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 7—Six Arm Grip | ||||||||
Iron | ||||||||
| 3/8" | 1" | 2" | 1/2" | 7/8" | 1/2" | 00000000 | 000000 | 000000 |
| 3/8" | 2" | 1 1/2" | 1/2" | 7/8" | 1 1/2" | 0000000 | 00000 | 00000 |
| 3/8" | 2" | 2" | 1/2" | 7/8" | 1 1/2" | 0000000 | 00000 | 00000 |
| 1/2" | 1 1/4" | 2 3/4" | 1/2" | 1 1/4" | 3/4" | 0000000 | 00000 | 00000 |
| 1/2" | 2" | 2 3/4" | 1/2" | 1 1/4" | 1 1/2" | 0000000 | 00000 | 00000 |
| 3/4" | 1 1/2" | 3 1/2" | 5/8" | 1 5/8" | 7/8" | 0000000 | 00000 | 00000 |
Threaded-Stud Precise-Control Knobs
Mount these knobs into a threaded hole. Turn the knob to move the stud 0.005" per graduation and make precise adjustments. Secure with the included locknut. Made of plastic, these knobs resist oil, grease, and solvents.
For technical drawings and 3-D models, click on a part number.
Head | Stud | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Dia. | Ht. | Material | Color | Lg. | Material | Temperature Range, °F | Features | Each | |
Six Arm Grip | ||||||||||
| 1/4"-20 | 1 1/2" | 1/2" | Acetal Plastic | Black | 3" | Steel | 35° to 180° | Locknut | 000000000 | 00000 |
Screw-Head Mount Precise-Control Knobs
To build a custom precise-control knob or thumb screw, pair one of these knobs with a socket head screw. Press the knob and screw together using a bench vise or an arbor press. Then, turn the knob to move the screw 0.005" per graduation and make precise adjustments. Made of plastic, these knobs resist oil, grease, and solvents.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Thread Size | Dia. | Ht. | For Screw Head Type | Material | Color | Temperature Range, °F | Each | |
Six Arm Grip | ||||||||
| 1/4"-20 | 1 1/2" | 1/2" | Socket | Acetal Plastic | Black | 35° to 180° | 000000000 | 00000 |