Material Material | Show |
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Thread Size Thread Size |
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Round-Head Thumb Screw Profile Round-Head ThumbScrew Profile |
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Low | Raised |
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Flared Collar |
Head Type Head Type |
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![]() | Thumb |
Head Diameter Head Diameter |
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Threading Threading |
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![]() | Fully Threaded |
Head Height Head Height |
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Thread Direction Thread Direction |
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![]() | Right Hand |
Head Texture Head Texture |
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![]() | Knurled |
Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Hardness Hardness |
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Mount Type Mount Type |
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Threaded Stud | Threaded Hole |
Stud Material Stud Material |
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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.
Head | ||||||
---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tensile Strength, psi | Hardness | Each | |
Brass | ||||||
4-40 | ||||||
5/16" | 5/16" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 00000 |
3/8" | 5/16" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
6-32 | ||||||
3/8" | 5/16" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
1/2" | 5/16" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
8-32 | ||||||
3/8" | 3/8" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
1/2" | 3/8" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
10-24 | ||||||
1/2" | 3/8" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
5/8" | 3/8" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
10-32 | ||||||
1/2" | 3/8" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
5/8" | 3/8" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
1/4"-20 | ||||||
3/4" | 1/2" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
1" | 1/2" | 3/16" | 50,000 | Rockwell B78 | 000000000 | 0000 |
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.
Head | Collar | |||||||
---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Dia. | Ht. | Tensile Strength, psi | Hardness | Each | |
Brass | ||||||||
4-40 | ||||||||
1/4" | 3/8" | 3/32" | 1/4" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 00000 |
3/8" | 3/8" | 3/32" | 1/4" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
6-32 | ||||||||
7/16" | 7/16" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
9/16" | 7/16" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
8-32 | ||||||||
3/8" | 1/2" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
1/2" | 1/2" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
5/8" | 1/2" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
10-32 | ||||||||
3/8" | 1/2" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
1/2" | 1/2" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
5/8" | 1/2" | 7/32" | 3/8" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
1/4"-20 | ||||||||
1/2" | 5/8" | 5/16" | 1/2" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
5/8" | 5/8" | 5/16" | 1/2" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
3/4" | 5/8" | 5/16" | 1/2" | 1/8" | 50,000 | Rockwell B78 | 000000000 | 0000 |
These thumb screws are corrosion resistant in wet environments, electrically conductive, 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.
Head | Collar | ||||||
---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Dia. | Ht. | Pkg. Qty. | Pkg. | |
Brass | |||||||
6-32 | |||||||
1/4" | 3/8" | 1/8" | 3/8" | 3/16" | 25 | 000000000 | 000000 |
3/8" | 3/8" | 1/8" | 3/8" | 3/16" | 25 | 000000000 | 00000 |
1/2" | 3/8" | 1/8" | 3/8" | 3/16" | 25 | 000000000 | 00000 |
3/4" | 3/8" | 1/8" | 3/8" | 3/16" | 25 | 000000000 | 00000 |
1" | 3/8" | 1/8" | 3/8" | 3/16" | 25 | 000000000 | 00000 |
8-32 | |||||||
3/8" | 13/32" | 9/64" | 3/8" | 3/16" | 25 | 000000000 | 00000 |
1/2" | 13/32" | 9/64" | 3/8" | 3/16" | 25 | 000000000 | 00000 |
3/4" | 13/32" | 9/64" | 3/8" | 3/16" | 10 | 000000000 | 0000 |
1" | 13/32" | 9/64" | 3/8" | 3/16" | 10 | 000000000 | 0000 |
10-24 | |||||||
3/8" | 7/16" | 9/64" | 3/8" | 1/4" | 25 | 000000000 | 00000 |
1/2" | 7/16" | 9/64" | 3/8" | 1/4" | 10 | 000000000 | 0000 |
3/4" | 7/16" | 9/64" | 3/8" | 1/4" | 10 | 000000000 | 0000 |
1" | 7/16" | 9/64" | 3/8" | 1/4" | 10 | 000000000 | 0000 |
10-32 | |||||||
3/8" | 7/16" | 9/64" | 3/8" | 1/4" | 25 | 000000000 | 00000 |
1/2" | 7/16" | 9/64" | 3/8" | 1/4" | 10 | 000000000 | 0000 |
3/4" | 7/16" | 9/64" | 3/8" | 1/4" | 10 | 000000000 | 0000 |
1" | 7/16" | 9/64" | 3/8" | 1/4" | 10 | 000000000 | 0000 |
1/4"-20 | |||||||
3/8" | 9/16" | 5/32" | 1/2" | 1/4" | 10 | 000000000 | 00000 |
1/2" | 9/16" | 5/32" | 1/2" | 1/4" | 10 | 000000000 | 00000 |
3/4" | 9/16" | 5/32" | 1/2" | 1/4" | 10 | 000000000 | 00000 |
1" | 9/16" | 5/32" | 1/2" | 1/4" | 10 | 000000000 | 00000 |
These thumb screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. 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 | Pkg. Qty. | Pkg. | |
Brass | |||||||
10-24 | |||||||
1/2" | 9/16" | 3/8" | 50,000 | Rockwell B40 | 5 | 000000000 | 00000 |
3/4" | 9/16" | 3/8" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
1" | 9/16" | 3/8" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
10-32 | |||||||
1/2" | 9/16" | 3/8" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
3/4" | 9/16" | 3/8" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
1" | 9/16" | 3/8" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
1/4"-20 | |||||||
1/2" | 23/32" | 1/2" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
3/4" | 23/32" | 1/2" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
1" | 23/32" | 1/2" | 50,000 | Rockwell B40 | 5 | 000000000 | 0000 |
1 1/2" | 23/32" | 1/2" | 50,000 | Rockwell B40 | 5 | 000000000 | 00000 |
2" | 23/32" | 1/2" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
5/16"-18 | |||||||
3/4" | 7/8" | 11/16" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
1" | 7/8" | 11/16" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
1 1/2" | 7/8" | 11/16" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
2" | 7/8" | 11/16" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
3/8"-16 | |||||||
1" | 1 3/32" | 13/16" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
1 1/2" | 1 3/32" | 13/16" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
2" | 1 3/32" | 13/16" | 50,000 | Rockwell B40 | 1 | 000000000 | 0000 |
An expanding rubber bushing damps vibration while holding panels together. To install, push the threaded end through a hole in the outer panel, slide on the bushing, and tighten the nut. Next, insert the assembly through the inner panel hole and flip the handle to fasten. They become a part of the panel when installed, so they won't fall out and get lost.
For technical drawings and 3-D models, click on a part number.
For Panel Thick. | For Outer Panel Cutout | Handle | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Outer | Total | Ht. | Wd. | For Inner Panel Hole Dia. | Lg. | Ht. | Material | Color | Screw Lg. | Bushing Material | Nut Material | Each | |
Brass | |||||||||||||
0.01" to 0.19" | 0.38" | 0.228" | 0.177" | 0.547" | 1.53" | 0.45" | Nylon Plastic | Black | 0.75" | Rubber | Nylon Plastic | 000000000 | 00000 |
Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||||||
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Thread Size | Thread Pitch | Stud Lg. | Dia. | Ht. | Dia. | Ht. | Stud Material | 1-9 | 10-Up | |
Style 1—Knurled Grip | ||||||||||
Brass | ||||||||||
10-24 | __ | 1" | 3/4" | 1/4" | 1/2" | 3/8" | Stainless Steel | 0000000 | 00000 | 00000 |
1/4"-20 | __ | 1 1/4" | 3/4" | 1/4" | 1/2" | 3/8" | Stainless Steel | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1 3/4" | 1" | 1/4" | 5/8" | 1/2" | Stainless Steel | 0000000 | 0000 | 0000 |
1/4"-28 | __ | 1 3/4" | 1" | 1/4" | 5/8" | 1/2" | Stainless Steel | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 3" | 1" | 1/4" | 5/8" | 1/2" | Stainless Steel | 0000000 | 00000 | 0000 |
5/16"-18 | __ | 3" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
5/16"-24 | __ | 1 3/4" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 1 3/4" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 3" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-24 | __ | 1 3/4" | 2" | 3/8" | 1" | 3/4" | Stainless Steel | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 1 3/4" | 2" | 3/8" | 1" | 3/4" | Stainless Steel | 0000000 | 00000 | 00000 |
M5 | 0.8mm | 25mm | 19mm | 6mm | 13mm | 10mm | Stainless Steel | 0000000 | 0000 | 0000 |
M6 | 1mm | 44mm | 25mm | 6mm | 16mm | 13mm | Stainless Steel | 0000000 | 00000 | 0000 |
M8 | 1.25mm | 76mm | 38mm | 8mm | 19mm | 17mm | Stainless Steel | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 44mm | 51mm | 10mm | 25mm | 19mm | Stainless Steel | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 44mm | 51mm | 10mm | 25mm | 19mm | Stainless Steel | 0000000 | 00000 | 00000 |
Style 14—Four Arm Grip | ||||||||||
Brass | ||||||||||
1/4"-20 | __ | 1 3/4" | 1 1/2" | 1/2" | 5/8" | 3/8" | Stainless Steel | 0000000 | 00000 | 00000 |
5/16"-18 | __ | 1 3/4" | 2" | 1/2" | 13/16" | 1/2" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 1 3/4" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 3" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 1 3/4" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 3" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
M6 | 1mm | 44mm | 38mm | 13mm | 16mm | 10mm | Stainless Steel | 0000000 | 00000 | 00000 |
M8 | 1.25mm | 44mm | 51mm | 13mm | 21mm | 13mm | Stainless Steel | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 44mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 76mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 44mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 76mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Thread | Head | Hub | Each | ||||||
---|---|---|---|---|---|---|---|---|---|
Size | Pitch | Dp. | Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 1—Knurled Grip | |||||||||
Brass | |||||||||
M5 | 0.8mm | 10mm | 19mm | 6mm | 13mm | 10mm | 0000000 | 00000 | 00000 |
M6 | 1mm | 13mm | 25mm | 6mm | 16mm | 13mm | 0000000 | 0000 | 0000 |
M8 | 1.25mm | 16mm | 38mm | 8mm | 19mm | 17mm | 0000000 | 00000 | 00000 |
Style 20—Four Arm Grip | |||||||||
Brass | |||||||||
M6 | 1mm | 13mm | 25mm | 10mm | 13mm | 13mm | 0000000 | 0000 | 0000 |
M8 | 1.25mm | 13mm | 38mm | 10mm | 16mm | 10mm | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 13mm | 51mm | 13mm | 21mm | 13mm | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 14mm | 64mm | 14mm | 25mm | 14mm | 0000000 | 00000 | 00000 |