About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
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About Thumb Screw and Binding Post Materials
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Threaded-Hole Pull Handles
Round grips allow your hand to pivot in any direction.
Stainless steel handles have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
Aluminum handles have mild corrosion resistance, are lightweight, and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mount. Hole Ctr.-to-Ctr. Wd. | Grip Dia. | Projection | Pull Cap., lbs. | Size | Dp. | No. of Mount. Holes | Mount. Fasteners Included | Each | |
Style 1—Round Grip | |||||||||
303 Stainless Steel—Dull | |||||||||
| 2" | 3/16" | 1" | Not Rated | 4-40 | 1/4" | 2 | Yes | 0000000 | 00000 |
| 3" | 3/16" | 1" | Not Rated | 4-40 | 1/4" | 2 | Yes | 0000000 | 0000 |
Anodized Aluminum—Dull | |||||||||
| 1 1/4" | 3/16" | 1" | Not Rated | 4-40 | 1/4" | 2 | Yes | 0000000 | 0000 |
| 2" | 3/16" | 1" | Not Rated | 4-40 | 1/4" | 2 | Yes | 0000000 | 0000 |
Black Anodized Aluminum—Dull | |||||||||
| 1 1/4" | 3/16" | 1" | Not Rated | 4-40 | 1/4" | 2 | Yes | 0000000 | 0000 |
| 2" | 3/16" | 1" | Not Rated | 4-40 | 1/4" | 2 | Yes | 0000000 | 0000 |
Miniature Threaded-Hole Pull Handles
With a mounting hole center-to-center distance of 1" or less, these are the smallest pull handles we offer. Thread screws through holes from the back of your surface into the handles to open and close tiny doors and drawers. All have a round grip that allows your fingers to pivot in any direction.
Aluminum handles have mild corrosion resistance, are lightweight, and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Stainless Steel Raised Knurled-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. They have a raised head that makes them easy to grip. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the collar.
For technical drawings and 3-D models, click on a part number.
Steel Raised Knurled-Head Thumb Screws
A raised head makes these thumb screws easy to grip. The head is knurled for slip-resistant controlled adjustment. They have a black-oxide finish to resist corrosion in dry environments. Length is measured from under the collar.
For technical drawings and 3-D models, click on a part number.
Brass Raised Knurled-Head Thumb Screws
These thumb screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. A raised head makes them easy to grip. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the collar.
For technical drawings and 3-D models, click on a part number.
Stainless Steel Flared-Collar Knurled-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. They have a slightly raised head and a decorative flared collar. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the flange.
For technical drawings and 3-D models, click on a part number.
Head | Collar | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Dia. | Ht. | Tensile Strength, psi | Hardness | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
4-40 | |||||||||
| 1/4" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 5 | 000000000 | 000000 |
| 5/16" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 5 | 000000000 | 00000 |
| 3/8" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 5 | 000000000 | 00000 |
| 7/16" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 5 | 000000000 | 00000 |
| 1/2" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 5 | 000000000 | 00000 |
| 5/8" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 5 | 000000000 | 00000 |
| 3/4" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
| 1" | 19/64" | 1/8" | 15/64" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
Aluminum Flared-Collar Knurled-Head Thumb Screws
These thumb screws are lightweight, corrosion resistant in wet environments, and nonmagnetic. They have a slightly raised head and a decorative flared collar. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the flange.
For technical drawings and 3-D models, click on a part number.
Stainless Steel Low-Profile Knurled-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. They have a thin head for use in low-clearance applications. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Lg. | Dia. | Ht. | Tensile Strength, psi | Hardness | Each | |
18-8 Stainless Steel | ||||||||
4-40 | ||||||||
| 5/16" | Fully Threaded | __ | 5/16" | 3/16" | 80,000 | Rockwell B85 | 000000000 | 00000 |
| 3/8" | Fully Threaded | __ | 5/16" | 3/16" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 3/8" | Partially Threaded | 5/16" | 3/8" | 1/8" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | 5/16" | 3/16" | 80,000 | Rockwell B85 | 000000000 | 0000 |
Slotted Stainless Steel Low-Profile Knurled-Head Thumb Screws
These 18-8 stainless steel thumb screws are chemical resistant and may be mildly magnetic. They have a thin head for use in low-clearance applications. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Lg. | Dia. | Ht. | Tensile Strength, psi | Hardness | Each | |
18-8 Stainless Steel | ||||||||
4-40 | ||||||||
| 5/16" | Fully Threaded | __ | 5/16" | 3/16" | 80,000 | Rockwell B85 | 000000000 | 00000 |
| 3/8" | Fully Threaded | __ | 5/16" | 3/16" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 3/8" | Partially Threaded | 5/16" | 3/8" | 1/8" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | 5/16" | 3/16" | 80,000 | Rockwell B85 | 000000000 | 0000 |
Brass Low-Profile Knurled-Head Thumb Screws
These thumb screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. They have a thin head for use in low-clearance applications. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Narrow Knurled-Head Thumb Screws
Use these slim thumb screws in tight spaces. Made from 18-8 stainless steel, they're chemical resistant and may be mildly magnetic. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Lg. | Dia. | Ht. | Tensile Strength, psi | Hardness | Each | |
18-8 Stainless Steel | ||||||||
4-40 | ||||||||
| 3/8" | Fully Threaded | __ | 1/4" | 1/8" | 80,000 | Rockwell B83 | 000000000 | 00000 |
| 1/2" | Partially Threaded | 7/16" | 1/4" | 1/2" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | 3/16" | 3/8" | 80,000 | Rockwell B83 | 000000000 | 0000 |
| 3/4" | Partially Threaded | 5/8" | 1/4" | 1/2" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 3/16" | 3/8" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 1/4" | 1/2" | 80,000 | Rockwell B85 | 000000000 | 0000 |
Slotted Narrow Knurled-Head Thumb Screws
These thumb screws are slim to fit in tight spaces. Made from 18-8 stainless steel, they're chemical resistant and may be mildly magnetic. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Lg. | Dia. | Ht. | Tensile Strength, psi | Hardness | Each | |
18-8 Stainless Steel | ||||||||
4-40 | ||||||||
| 3/8" | Fully Threaded | __ | 1/4" | 1/8" | 80,000 | Rockwell B83 | 000000000 | 00000 |
| 1/2" | Partially Threaded | 7/16" | 1/4" | 1/2" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 3/4" | Partially Threaded | 5/8" | 1/4" | 1/2" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 3/16" | 3/8" | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 1/4" | 1/2" | 80,000 | Rockwell B85 | 000000000 | 0000 |
Knurled Plastic-Head Thumb Screws
These thumb screws have a knurled head for a slip-resistant controlled adjustment. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Dia. | Ht. | Temperature Range, °F | Choose a Head Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
4-40 | |||||||||
| 1/4" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 00000 | |
| 3/8" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 0000 | |
| 1/2" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 00000 | |
| 5/8" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 00000 | |
| 3/4" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 00000 | |
| 1" | Partially Threaded | 3/4" | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 00000 | |
Plastic-Head Thumb Screws with Hex Drive
Tighten these thumb screws by hand or with a hex key for more torque. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Dia. | Ht. | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
4-40 | |||||||||
| 9/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 25 | 000000000 | 000000 |
| 13/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 17/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 21/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 25/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 29/32" | Partially Threaded | 3/4" | 5/16" | 11/64" | 32° to 180° | Black | 10 | 000000000 | 0000 |
Nylon Thumb Screws with Slotted Drive
These nylon thumb screws are chemical resistant, nonconductive, and lightweight. They have a knurled head for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Stainless Steel Hex-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. Tighten them with a wrench for more torque while fastening. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||
|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Tensile Strength, psi | Hardness | Each | |
18-8 Stainless Steel | ||||||
4-40 | ||||||
| 1/2" | 3/8" | 1/4" | 80,000 | Rockwell B83 | 000000000 | 00000 |
Steel Hex-Head Thumb Screws
Tighten these thumb screws with a wrench for more torque while fastening. A black-oxide finish provides corrosion resistance in dry environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||
|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Tensile Strength, psi | Hardness | Each | |
Black-Oxide Steel | ||||||
4-40 | ||||||
| 1/2" | 3/8" | 1/4" | 70,000 | Rockwell B84 | 000000000 | 00000 |
Quick-Release Shaft Collar Handles
These threaded handles take the place of a set screw, allowing you to move set screw shaft collars without additional tools—useful for when the collar serves as a stroke limiter or mounting clamp. The handle keeps your collar secure on the shaft, then lets you loosen and tighten the collar for quick adjustments.
Black-oxide steel handles have some corrosion resistance. 303 stainless steel handles have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.