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System of Measurement System of Measurement |
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Head Diameter Head Diameter |
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Hub Diameter Hub Diameter |
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Handle Length Handle Length |
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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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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Grip Motion Grip Motion |
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Hub Projection Hub Projection |
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Projection Projection |
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Finish Finish |
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Knob Material Knob Material |
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Grip Material Grip Material |
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Minimum Temperature Minimum Temperature |
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Maximum Temperature Maximum Temperature |
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Machine Handles
These handles are often used for operating machinery.
Machinable-hub handles permit milling specific holes or keyways in the hub to meet your specifications. They can also be welded in place. A starter hole in the hub acts as a guide for drilling a larger hole.
Steel handles are stronger than iron handles. Those with a black-oxide finish have mild rust resistance.
Iron handles are zinc plated for corrosion resistance.
Aluminum handles have mild corrosion resistance, are lightweight, and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.




Knob | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of Arms | Hub Dia. | Handle Lg. | Projection | Hub Projection | Dia. | Material | Color | Temp. Range, °F | Features | Each | |
Steel | |||||||||||
| 3 | 1 1/2" | 2 3/4" | 1 3/4" | 1 9/16" | __ | Fiberglass-Reinforced Nylon Plastic | Black | 15° to 245° | 5/16" Dia. Starter Hole | 0000000 | 000000 |
| 3 | 1 1/2" | 3 9/16" | 2 1/8" | 1 11/16" | __ | Fiberglass-Reinforced Nylon Plastic | Black | 15° to 245° | 5/16" Dia. Starter Hole | 0000000 | 00000 |
| 3 | 1 1/2" | 4 5/16" | 2 5/16" | 1 13/16" | __ | Fiberglass-Reinforced Nylon Plastic | Black | 15° to 245° | 5/16" Dia. Starter Hole | 0000000 | 00000 |
Black-Oxide 12L14 Carbon Steel | |||||||||||
| 2 | 7/8" | 4 3/4" | 2 3/8" | 1 1/2" | 3/4" | Nylon Plastic | Black | -50° to 250° | __ | 0000000 | 00000 |
| 2 | 1 1/8" | 7" | 3 1/4" | 1 3/4" | 1" | Nylon Plastic | Black | -50° to 250° | __ | 0000000 | 00000 |
| 2 | 1 3/8" | 9 3/8" | 2 3/8" | 2 1/4" | 1 3/8" | Nylon Plastic | Black | -50° to 250° | __ | 0000000 | 00000 |
| 2 | 1 3/8" | 9 3/8" | 4 1/2" | 2 1/4" | 1 3/8" | Nylon Plastic | Black | -50° to 250° | __ | 0000000 | 00000 |
Zinc-Plated Iron | |||||||||||
| 2 | 1 1/8" | 4 3/4" | 2 1/4" | 1 3/8" | 3/4" | Iron | __ | __ | __ | 0000000 | 00000 |
| 2 | 1 3/8" | 6" | 2 1/2" | 1 5/8" | 7/8" | Iron | __ | __ | __ | 0000000 | 00000 |
| 2 | 1 5/8" | 8" | 2 15/16" | 1 3/4" | 1" | Iron | __ | __ | __ | 0000000 | 00000 |
319F Aluminum | |||||||||||
| 2 | 1 1/8" | 4 1/2" | 1 7/8" | 1" | 11/16" | Aluminum | __ | __ | __ | 00000000 | 0000 |
| 2 | 1 1/2" | 6" | 2 5/8" | 1 1/2" | 15/16" | Aluminum | __ | __ | __ | 00000000 | 0000 |
Heavy Duty Adjustable Handles
These rugged steel handles provide lasting durability for applications involving frequent positioning, tightening, and holding adjustments. Lift the handle to rotate freely; then release the handle to engage and tighten. These handles are also known as clamping handles. All have a black-oxide finish for mild rust resistance.
Machinable-hub handles permit milling specific holes or keyways in the hub to meet your specifications. They can also be welded in place.
For technical drawings and 3-D models, click on a part number.


Machinable-Hub Knobs with Handle

A handle makes these knobs easy to turn. 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.
Stainless steel knobs have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
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. | Handle Lg. | Handle Material | 1-9 | 10-Up | |
Knurled Grip | ||||||||
303 Stainless Steel | ||||||||
| 2" | 9/16" | 13/16" | 9/16" | 1 9/32" | Chrome-Plated Brass | 0000000 | 000000 | 000000 |
| 3" | 9/16" | 1 1/4" | 11/16" | 1 1/2" | Chrome-Plated Brass | 0000000 | 00000 | 00000 |
6061 Aluminum | ||||||||
| 2" | 9/16" | 13/16" | 9/16" | 1 1/4" | Chrome-Plated Brass | 0000000 | 00000 | 00000 |
| 3" | 11/16" | 1 1/4" | 9/16" | 1 1/2" | Chrome-Plated Brass | 0000000 | 00000 | 00000 |
Palm-Grip Machinable-Hub Knobs

The domed top allows you to firmly hold these knobs in the palm of your hand. Mill specific holes or keyways in the hub to meet your specifications, or weld in place. Use these knobs to position, tighten, and hold fixtures, equipment, and machinery. Made of aluminum, all have mild corrosion resistance, are lightweight, and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
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.
Steel knobs are stronger than iron. They have a black-oxide finish for mild rust resistance.
Stainless steel knobs have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
Aluminum knobs have mild corrosion resistance, are lightweight, and are nonmagnetic.
Brass knobs have good corrosion resistance and are nonmagnetic.
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 | |||||
|---|---|---|---|---|---|---|---|
| Dia. | Ht. | Dia. | Ht. | Temperature Range, °F | 1-9 | 10-Up | |
Style 1—Knurled Grip | |||||||
Black-Oxide 1215 Carbon Steel | |||||||
| 3/4" | 1/4" | 1/2" | 3/8" | __ | 0000000 | 00000 | 00000 |
| 1" | 1/4" | 5/8" | 1/2" | __ | 0000000 | 0000 | 0000 |
| 1 1/2" | 5/16" | 3/4" | 11/16" | __ | 0000000 | 0000 | 0000 |
| 2" | 3/8" | 1" | 3/4" | __ | 0000000 | 0000 | 0000 |
| 2 1/2" | 9/16" | 1 1/2" | 5/16" | __ | 0000000 | 00000 | 00000 |
| 3" | 5/8" | 1 3/4" | 1 1/8" | __ | 0000000 | 00000 | 00000 |
303 Stainless Steel | |||||||
| 3/4" | 1/4" | 1/2" | 3/8" | __ | 00000000 | 0000 | 0000 |
| 1" | 1/4" | 5/8" | 1/2" | __ | 00000000 | 0000 | 0000 |
| 1" | 3/8" | 1/2" | 7/16" | __ | 0000000 | 00000 | 00000 |
| 1 1/2" | 5/16" | 3/4" | 11/16" | __ | 00000000 | 00000 | 00000 |
| 2" | 3/8" | 1" | 3/4" | __ | 00000000 | 00000 | 00000 |
| 2" | 9/16" | 13/16" | 9/16" | __ | 0000000 | 00000 | 00000 |
| 2 1/2" | 9/16" | 1 1/2" | 5/16" | __ | 00000000 | 00000 | 00000 |
| 3" | 5/8" | 1 3/4" | 1 1/8" | __ | 00000000 | 00000 | 00000 |
| 3" | 11/16" | 1 1/4" | 9/16" | __ | 0000000 | 00000 | 00000 |
6061 Aluminum | |||||||
| 1" | 3/8" | 1/2" | 7/16" | __ | 0000000 | 0000 | 0000 |
| 2" | 9/16" | 13/16" | 9/16" | __ | 0000000 | 00000 | 00000 |
| 3" | 11/16" | 1 1/4" | 9/16" | __ | 0000000 | 00000 | 00000 |
Brass | |||||||
| 3/4" | 1/4" | 1/2" | 3/8" | __ | 0000000 | 0000 | 0000 |
| 1" | 1/4" | 5/8" | 1/2" | __ | 0000000 | 0000 | 0000 |
| 1 1/2" | 5/16" | 3/4" | 11/16" | __ | 0000000 | 00000 | 00000 |
| 2" | 3/8" | 1" | 3/4" | __ | 0000000 | 00000 | 00000 |
Style 2—Ribbed Grip | |||||||
Black Phenolic Plastic | |||||||
| 1 1/4" | 3/8" | 5/8" | 3/8" | -30° to 400° | 0000000 | 0000 | 0000 |
| 1 3/4" | 3/8" | 3/4" | 3/8" | -30° to 400° | 0000000 | 0000 | 0000 |
Style 3—Four Arm Grip | |||||||
6061 Aluminum | |||||||
| 1" | 3/8" | 1/2" | 1/2" | __ | 00000000 | 0000 | 0000 |
| 1 1/2" | 1/2" | 5/8" | 3/8" | __ | 00000000 | 0000 | 0000 |
| 2" | 1/2" | 13/16" | 1/2" | __ | 00000000 | 0000 | 0000 |
| 2 1/2" | 9/16" | 1" | 9/16" | __ | 00000000 | 0000 | 0000 |
| 3" | 5/8" | 1 1/4" | 5/8" | __ | 00000000 | 00000 | 00000 |
Brass | |||||||
| 1" | 3/8" | 1/2" | 1/2" | __ | 0000000 | 0000 | 0000 |
| 1 1/2" | 1/2" | 5/8" | 3/8" | __ | 0000000 | 00000 | 00000 |
| 2" | 1/2" | 13/16" | 1/2" | __ | 0000000 | 00000 | 00000 |
| 2 1/2" | 9/16" | 1" | 9/16" | __ | 0000000 | 00000 | 00000 |
Style 4—Four Arm Grip | |||||||
Iron | |||||||
| 1 1/8" | 5/16" | 9/16" | 3/8" | __ | 0000000 | 0000 | 0000 |
| 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 | 0000 | 0000 |
| 2 9/16" | 1/2" | 1 1/8" | 1" | __ | 0000000 | 0000 | 0000 |
Style 5—Four Arm Grip | |||||||
319 Aluminum | |||||||
| 1 1/4" | 5/16" | 9/16" | 9/16" | __ | 0000000 | 0000 | 0000 |
| 1 1/2" | 3/8" | 11/16" | 11/16" | __ | 0000000 | 0000 | 0000 |
| 2 1/8" | 1/2" | 7/8" | 15/16" | __ | 0000000 | 0000 | 0000 |
| 3" | 11/16" | 1 3/8" | 1 1/4" | __ | 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 | 0000 | 0000 |
| 2 3/4" | 1/2" | 1 1/4" | 3/4" | __ | 0000000 | 0000 | 0000 |
| 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" | 7/8" | 7/8" | __ | 00000000 | 0000 | 0000 |
| 2" | 3/4" | 1" | 7/8" | __ | 00000000 | 0000 | 0000 |
Style 8—Eight Arm Grip | |||||||
319 Aluminum | |||||||
| 3 1/2" | 3/4" | 1 1/4" | 1 1/8" | __ | 00000000 | 0000 | 0000 |
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.
Machinable-Hub Crank Handles

Mill specific holes or keyways in the hub to meet your specifications or weld in place. Often used on cross-slide tables, these crank handles provide leverage to maximize force for turning and tightening.
For technical drawings and 3-D models, click on a part number.
Hub | Grip | ||||||
|---|---|---|---|---|---|---|---|
| Handle Lg. | Projection | Dia. | Projection | Ht. | Material | Each | |
Stationary Grip | |||||||
1018 Carbon Steel | |||||||
| 2 5/8" | 3 5/8" | 1" | 1 1/4" | 2 7/8" | Steel | 0000000 | 000000 |
| 4" | 4 5/16" | 1 1/16" | 1 5/16" | 3 1/4" | Steel | 0000000 | 00000 |
| 4 1/2" | 4 1/2" | 1 1/4" | 1 3/8" | 3 7/16" | Steel | 0000000 | 00000 |
| 5 1/2" | 4 15/16" | 1 1/4" | 1 13/16" | 3 9/16" | Steel | 0000000 | 00000 |
| 6 1/2" | 5 1/8" | 1 1/4" | 1 15/16" | 3 3/4" | Steel | 0000000 | 00000 |
| 8" | 5 7/16" | 1 3/8" | 2 1/16" | 3 3/4" | Steel | 0000000 | 00000 |
| 9" | 6 1/16" | 1 9/16" | 2 7/16" | 3 15/16" | Steel | 0000000 | 000000 |
| 11" | 7" | 1 3/4" | 3" | 4 1/2" | Steel | 0000000 | 000000 |
Balanced Machinable-Hub Crank Handles

Balanced weight distribution prevents unintentional handle movement, even in high-vibration applications. Mill specific holes or keyways in the hub to meet your specifications or weld in place. Often used on cross-slide tables, these crank handles provide leverage to maximize force for turning and tightening. A starter hole in the hub acts as a guide for drilling a larger hole.
Handles with a revolving grip have a free-spinning grip, making them easy to turn.
For technical drawings and 3-D models, click on a part number.
Hub | Grip | |||||||
|---|---|---|---|---|---|---|---|---|
| Handle Lg. | Projection | Dia. | Projection | Ht. | Material | Features | Each | |
Stationary Grip | ||||||||
12L14 Carbon Steel | ||||||||
| 1 1/2" | 2 9/32" | 7/8" | 7/8" | 2 1/8" | Steel | 1/4" Dia. Starter Hole | 0000000 | 000000 |
| 1 3/4" | 2 21/32" | 1" | 1" | 2 15/32" | Steel | 1/4" Dia. Starter Hole | 0000000 | 000000 |
| 3" | 4 1/16" | 1 3/8" | 1 3/8" | 3 3/4" | Steel | 1/4" Dia. Starter Hole | 0000000 | 000000 |
Revolving Grip | ||||||||
12L14 Carbon Steel | ||||||||
| 1 3/4" | 3" | 1" | 1" | 2 13/16" | Steel | 1/4" Dia. Starter Hole | 0000000 | 000000 |
| 3" | 4 11/32" | 1 3/8" | 1 3/8" | 4 1/32" | Steel | 1/4" Dia. Starter Hole | 0000000 | 000000 |
































