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.
For technical drawings and 3-D models, click on a part number.
Thread | Head | Hub | Each | ||||||
|---|---|---|---|---|---|---|---|---|---|
Size | Dp. | Dia. | Ht. | Dia. | Ht. | Set Screw Thread Size | 1-9 | 10-Up | |
Style 7—Four Arm Grip | |||||||||
Iron | |||||||||
| 1/4"-20 | 11/16" | 1 1/8" | 5/16" | 9/16" | 3/8" | __ | 0000000 | 000000 | 00000 |
| 5/16"-18 | 1" | 1 1/2" | 7/16" | 5/8" | 9/16" | __ | 0000000 | 00000 | 0000 |
| 3/8"-16 | 1" | 2" | 7/16" | 3/4" | 9/16" | __ | 0000000 | 00000 | 00000 |
| 1/2"-13 | 1 1/2" | 2 9/16" | 1/2" | 1 1/8" | 1" | __ | 0000000 | 00000 | 00000 |
| 5/8"-11 | 2 1/4" | 2 1/2" | 1/2" | 1" | 1 3/4" | __ | 0000000 | 00000 | 00000 |
Style 8—Four Arm Grip | |||||||||
Iron | |||||||||
| 3/8"-16 | 1" | 2" | 7/16" | 3/4" | 9/16" | 1/4"-20 | 0000000 | 00000 | 00000 |
| 1/2"-13 | 1 1/2" | 2 9/16" | 1/2" | 1 1/8" | 1" | 1/4"-20 | 0000000 | 00000 | 00000 |
| 5/8"-11 | 2 1/4" | 2 1/2" | 1/2" | 1" | 1 3/4" | 1/4"-20 | 0000000 | 00000 | 00000 |
Style 9—Five Arm Grip | |||||||||
Iron | |||||||||
| 5/8"-11 | 1 3/4" | 3" | 1/2" | 1 1/4" | 1 1/4" | __ | 0000000 | 00000 | 00000 |
| 3/4"-10 | 1 3/4" | 3 1/4" | 1/2" | 1 1/2" | 1 1/4" | __ | 0000000 | 00000 | 00000 |
Style 10—Five Arm Grip | |||||||||
Iron | |||||||||
| 5/8"-11 | 1 3/4" | 3" | 1/2" | 1 1/4" | 1 1/4" | 1/4"-20 | 0000000 | 00000 | 00000 |
| 3/4"-10 | 1 3/4" | 3 1/4" | 1/2" | 1 1/2" | 1 1/4" | 1/4"-20 | 0000000 | 00000 | 00000 |
Style 11—Six Arm Grip | |||||||||
Iron | |||||||||
| 3/8"-16 | 1" | 2" | 1/2" | 7/8" | 1/2" | __ | 00000000 | 00000 | 00000 |
| 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 |
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 4—Four Arm Grip | ||||||||
Iron | ||||||||
| 1/4" | 11/16" | 1 1/8" | 5/16" | 9/16" | 3/8" | 0000000 | 000000 | 00000 |
| 5/16" | 1" | 1 1/2" | 7/16" | 5/8" | 9/16" | 0000000 | 00000 | 0000 |
| 3/8" | 1" | 2" | 7/16" | 3/4" | 9/16" | 0000000 | 00000 | 00000 |
| 1/2" | 1 1/2" | 2 9/16" | 1/2" | 1 1/8" | 1" | 0000000 | 00000 | 00000 |
| 5/8" | 2 1/4" | 2 1/2" | 1/2" | 1" | 1 3/4" | 0000000 | 00000 | 00000 |
Style 7—Six Arm Grip | ||||||||
Iron | ||||||||
| 3/8" | 1" | 2" | 1/2" | 7/8" | 1/2" | 00000000 | 00000 | 00000 |
| 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 |
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.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||
|---|---|---|---|---|---|---|
| Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 4—Four Arm Grip | ||||||
Iron | ||||||
| 1 1/8" | 5/16" | 9/16" | 3/8" | 0000000 | 00000 | 00000 |
| 1 1/2" | 7/16" | 5/8" | 9/16" | 0000000 | 0000 | 0000 |
| 2" | 7/16" | 3/4" | 9/16" | 0000000 | 0000 | 0000 |
| 2 1/2" | 1/2" | 1" | 1 3/4" | 0000000 | 00000 | 00000 |
| 2 9/16" | 1/2" | 1 1/8" | 1" | 0000000 | 0000 | 0000 |
Style 6—Five Arm Grip | ||||||
Iron | ||||||
| 3" | 1/2" | 1 1/4" | 1 1/4" | 0000000 | 00000 | 00000 |
| 3 1/4" | 1/2" | 1 1/2" | 1 1/4" | 0000000 | 00000 | 00000 |
Style 7—Six Arm Grip | ||||||
Iron | ||||||
| 1 1/2" | 1/2" | 7/8" | 1 1/2" | 0000000 | 0000 | 0000 |
| 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 |
Threaded-Stud Knobs
Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Iron knobs with a zinc-plated finish have mild rust resistance.
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 | 1-9 | 10-Up | |
Style 1—Knurled Grip | |||||||||
Zinc-Plated Iron | |||||||||
| 1/4"-20 | 1 3/4" | 1 1/2" | 3/8" | 5/8" | 1/2" | Steel | 0000000 | 000000 | 00000 |
| 1/4"-20 | 3" | 1 1/2" | 3/8" | 5/8" | 1/2" | Steel | 0000000 | 00000 | 00000 |
| 5/16"-18 | 1 3/4" | 2" | 3/8" | 3/4" | 1/2" | Steel | 0000000 | 00000 | 00000 |
| 5/16"-18 | 3" | 2" | 3/8" | 3/4" | 1/2" | Steel | 0000000 | 00000 | 00000 |
| 3/8"-16 | 1 3/4" | 2" | 3/8" | 3/4" | 1/2" | Steel | 0000000 | 00000 | 00000 |
| 3/8"-16 | 3" | 2" | 3/8" | 3/4" | 1/2" | Steel | 000000 | 00000 | 00000 |
| 1/2"-13 | 1 3/4" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 0000000 | 00000 | 00000 |
| 1/2"-13 | 3" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 0000000 | 00000 | 00000 |
| 5/8"-11 | 1 3/4" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 0000000 | 00000 | 00000 |
| 5/8"-11 | 3" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 0000000 | 00000 | 00000 |
Style 14—Four Arm Grip | |||||||||
Iron | |||||||||
| 1/4"-20 | 1 3/4" | 1 1/2" | 3/8" | 5/8" | 1/2" | Steel | 00000000 | 0000 | 0000 |
| 1/4"-20 | 3" | 1 1/2" | 3/8" | 5/8" | 1/2" | Steel | 00000000 | 00000 | 00000 |
| 5/16"-18 | 1 3/4" | 2" | 3/8" | 3/4" | 5/8" | Steel | 00000000 | 00000 | 0000 |
| 5/16"-18 | 3" | 2" | 3/8" | 3/4" | 5/8" | Steel | 00000000 | 00000 | 00000 |
| 3/8"-16 | 1 3/4" | 2" | 3/8" | 3/4" | 5/8" | Steel | 00000000 | 00000 | 0000 |
| 3/8"-16 | 3" | 2" | 3/8" | 3/4" | 5/8" | Steel | 00000000 | 00000 | 00000 |
| 1/2"-13 | 1 3/4" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 00000000 | 00000 | 00000 |
| 1/2"-13 | 3" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 00000000 | 00000 | 00000 |
| 5/8"-11 | 1 3/4" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 00000000 | 00000 | 00000 |
| 5/8"-11 | 3" | 2 1/2" | 1/2" | 1 1/8" | 1" | Steel | 00000000 | 00000 | 00000 |
Threaded Through-Hole Bar Knobs
Install these knobs on a threaded stud. Insert a bar between the arms and twist. The bar provides maximum leverage to tighten knobs securely. Made of iron, these knobs have a zinc-plated finish for corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Thread | Head | Hub | Each | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Dp. | For Max. Bar Dia. | Ht. | Wd. | Dia. | Ht. | 1-9 | 10-Up | |
Four Arm Grip | |||||||||
Zinc-Plated Iron | |||||||||
| 3/8"-16 | 1 3/8" | 7/16" | 1 1/4" | 2" | 1 1/4" | 7/8" | 0000000 | 000000 | 000000 |
| 1/2"-13 | 1 3/8" | 7/16" | 1 1/4" | 2" | 1 1/4" | 7/8" | 0000000 | 00000 | 00000 |
| 1/2"-13 | 1 1/2" | 11/16" | 1 7/16" | 2 1/2" | 1 1/2" | 15/16" | 0000000 | 00000 | 00000 |
| 5/8"-11 | 1 3/8" | 7/16" | 1 1/4" | 2" | 1 1/4" | 7/8" | 0000000 | 00000 | 00000 |
| 5/8"-11 | 1 1/2" | 11/16" | 1 7/16" | 2 1/2" | 1 1/2" | 15/16" | 0000000 | 00000 | 00000 |
| 3/4"-10 | 1 1/2" | 11/16" | 1 7/16" | 2 1/2" | 1 1/2" | 15/16" | 0000000 | 00000 | 00000 |
Machinable-Hub Bar Knobs
Mill specific holes or keyways in the hub to meet your specifications, or weld in place. Insert a bar between the arms and twist. The bar provides maximum leverage to tighten knobs securely. Made of iron, these knobs have a zinc-plated finish for corrosion resistance.
For technical drawings and 3-D models, click on a part number.