Material Material |
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Color Color |
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Mount Type Mount Type |
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Head Diameter Head Diameter |
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Inside Height Inside Height |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Screw Caps
Conceal and protect the tops of socket head or button head screws.
For technical drawings and 3-D models, click on a part number.
Hex Nut Caps
Sized to fit hex nuts, these caps snap on for a tight hold and provide protection from corrosion. Nut width is measured from flat-to-flat.
For technical drawings and 3-D models, click on a part number.
| For Nut Wd. | Inside Ht. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Rigid Plastic | ||||||
|---|---|---|---|---|---|---|
| 7/16" | 29/64" | 170° | Black | 10 | 0000000 | 00000 |
| 1/2" | 17/32" | 170° | Black | 10 | 0000000 | 0000 |
| 35/64" | 1/2" | 170° | Black | 10 | 0000000 | 0000 |
| 43/64" | 25/32" | 170° | Black | 10 | 0000000 | 0000 |
| 3/4" | 27/32" | 170° | Black | 10 | 0000000 | 00000 |
| 7/8" | 15/16" | 170° | Black | 5 | 0000000 | 0000 |
| 15/16" | 1" | 170° | Black | 5 | 0000000 | 00000 |
| 1 1/16" | 1" | 170° | Black | 5 | 0000000 | 0000 |
| 1 1/4" | 1 13/32" | 170° | Black | 5 | 0000000 | 00000 |
| 1 13/32" | 1 7/16" | 170° | Black | 5 | 0000000 | 00000 |
| 1 5/8" | 1 23/32" | 170° | Black | 1 | 0000000 | 0000 |
| 1 13/16" | 2" | 170° | Black | 1 | 0000000 | 0000 |
| 1 31/32" | 2 3/32" | 170° | Black | 1 | 0000000 | 00000 |
| 2 3/16" | 2 19/64" | 170° | Black | 1 | 0000000 | 00000 |
| 2 3/8" | 2 5/16" | 170° | Black | 1 | 0000000 | 00000 |
| 2 9/16" | 2 19/64" | 170° | Black | 1 | 0000000 | 00000 |
| 2 3/4" | 2 29/64" | 170° | Black | 1 | 0000000 | 00000 |
Hinged Fastener Caps
A one-piece hinged design allows frequent access to screw heads without misplacing the top. To conceal and protect the entire screw head, insert your screw through the hole in the base and flip the hinged top over. All of these caps are UV-resistant. The inside height listed is with the two parts snapped together.
For technical drawings and 3-D models, click on a part number.
| For Thread Dia. | Inside Ht. | OD | Max. Temp., °F | Choose a Color | Pkg. Qty. | Pkg. | |
Rigid Plastic | |||||||
|---|---|---|---|---|---|---|---|
| No. 4, No. 5, No. 6 | 3/32" | 15/32" | 250° | 100 | 000000000 | 00000 | |
| No. 6, No. 8, No. 10, M3, M5, M4 | 9/64" | 9/16" | 135° | 100 | 000000000 | 00000 | |
| No. 8, No. 10 | 7/64" | 35/64" | 250° | 100 | 000000000 | 00000 | |
| 1/4" | 5/32" | 45/64" | 250° | 100 | 000000000 | 00000 | |
| 3/8" | 19/64" | 61/64" | 250° | 100 | 000000000 | 00000 | |
Snap-On Fastener Caps
To conceal and protect the entire screw head, insert your screw through the hole in the steel base and snap on the plastic top. The inside height listed is with the two parts snapped together.
For technical drawings and 3-D models, click on a part number.
| For Thread Dia. | Inside Ht. | OD | Choose a Color | Pkg. Qty. | Pkg. | |
Rigid Plastic | ||||||
|---|---|---|---|---|---|---|
| No. 4 | 1/8" | 1/2" | 25 | 000000000 | 000000 | |
| No. 6 | 1/8" | 1/2" | 25 | 000000000 | 00000 | |
| No. 8 | 7/32" | 1/2" | 25 | 000000000 | 00000 | |
| No. 10 | 11/64" | 23/32" | Black | 25 | 000000000 | 0000 |
| No. 12 | 11/64" | 23/32" | Black | 25 | 000000000 | 0000 |
| 1/4" | 5/16" | 1 3/16" | 25 | 000000000 | 00000 | |
| 5/16" | 5/16" | 1 3/16" | 25 | 000000000 | 00000 | |
| 3/8" | 5/16" | 1 3/16" | 25 | 000000000 | 00000 | |
| 7/16" | 5/16" | 1 3/16" | 25 | 000000000 | 00000 | |
| 1/2" | 5/16" | 1 3/16" | 25 | 000000000 | 00000 | |
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. | Wd. | Ht. | Temperature Range, °F | Choose a Color | Pkg. Qty. | Pkg. | ||
Style 1—Knurled Grip | |||||||||
Acetal Plastic—For Socket Head Screws | |||||||||
| No. 4 | 5/16" | __ | 11/64" | 35° to 180° | 100 | 000000000 | 000000 | 00 | |
| No. 6 | 3/8" | __ | 3/16" | 35° to 180° | 100 | 000000000 | 00000 | 00 | |
| No. 8 | 1/2" | __ | 7/32" | 35° to 180° | 100 | 000000000 | 00000 | 00 | |
| No. 10 | 5/8" | __ | 1/4" | 35° to 180° | 50 | 000000000 | 0000 | 00 | |
| 1/4" | 3/4" | __ | 5/16" | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
| 1/4" | 1" | __ | 5/16" | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
| 5/16" | 1" | __ | 13/32" | 35° to 180° | 25 | 000000000 | 0000 | 00 | |
| M3 | 10mm | __ | 4.5mm | 35° to 180° | 50 | 000000000 | 0000 | 00 | |
| M4 | 13mm | __ | 5.5mm | 35° to 180° | 50 | 000000000 | 0000 | 00 | |
| M5 | 16mm | __ | 6.6mm | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
| M6 | 19mm | __ | 7.8mm | 35° to 180° | 25 | 000000000 | 0000 | 00 | |
| M6 | 26mm | __ | 7.8mm | 35° to 180° | 25 | 000000000 | 0000 | 00 | |
| M8 | 26mm | __ | 9.8mm | 35° to 180° | 25 | 000000000 | 0000 | 00 | |
Style 2—Single Arm Grip | |||||||||
Acetal Plastic—For Socket Head Screws | |||||||||
| No. 10 | __ | 13/16" | 11/32" | 35° to 180° | 50 | 000000000 | 0000 | 00 | |
| 1/4" | __ | 1" | 7/16" | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
| 5/16" | __ | 1 3/16" | 17/32" | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
Style 3—Two Arm Grip | |||||||||
Acetal Plastic—For Socket Head Screws | |||||||||
| No. 10 | __ | 1" | 1/4" | 35° to 180° | 50 | 000000000 | 0000 | 00 | |
| 1/4" | __ | 1 1/4" | 5/16" | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
| 5/16" | __ | 1 1/2" | 13/32" | 35° to 180° | 25 | 000000000 | 0000 | 00 | |
| 3/8" | __ | 1 3/4" | 15/32" | 35° to 180° | 25 | 000000000 | 0000 | 00 | |
| M5 | __ | 26mm | 6.6mm | 35° to 180° | 50 | 000000000 | 0000 | 00 | |
| M6 | __ | 30mm | 7.8mm | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
| M8 | __ | 38mm | 10.3mm | 35° to 180° | 50 | 000000000 | 00000 | 00 | |
| M10 | __ | 45mm | 12.5mm | 35° to 180° | 25 | 000000000 | 0000 | 00 | |
Each | |||||||||
| 1-9 | 10-Up | ||||||||
Nylon Plastic—For Socket Head Screws | |||||||||
| 1/4" | __ | 1 1/8" | 9/16" | -15° to 150° | Black | __ | 00000000 | 0000 | 00000 |
| Pkg. | |||||||||
Style 4—Three Arm Grip | |||||||||
Polypropylene Plastic—For Socket Head Screws | |||||||||
| No. 10 | 3/4" | __ | 1/4" | -40° to 125° | Black | 10 | 000000000 | 0000 | 00 |
Style 5—Four Arm Grip | |||||||||
Polypropylene Plastic—For Hex Head Screws | |||||||||
| 3/8" | 2 1/4" | __ | 1" | -40° to 125° | Black | 10 | 000000000 | 00000 | 00 |
Style 6—Five Arm Grip | |||||||||
Polypropylene Plastic—For Hex Head Screws | |||||||||
| No. 10 | 1 1/4" | __ | 3/4" | -40° to 125° | Black | 10 | 000000000 | 00000 | 00 |
Style 7—Six Arm Grip | |||||||||
Acetal Plastic—For Socket Head Screws | |||||||||
| 1/4" | 1 1/2" | __ | 15/32" | 35° to 180° | 10 | 000000000 | 0000 | 00 | |
| 5/16" | 1 1/2" | __ | 13/32" | 35° to 180° | 10 | 000000000 | 0000 | 00 | |
| 3/8" | 1 1/2" | __ | 15/32" | 35° to 180° | 10 | 000000000 | 0000 | 00 | |
| M6 | 38mm | __ | 12.2mm | 35° to 180° | 10 | 000000000 | 0000 | 00 | |
| M8 | 38mm | __ | 10.4mm | 35° to 180° | 10 | 000000000 | 0000 | 00 | |
| M10 | 38mm | __ | 12.5mm | 35° to 180° | 10 | 000000000 | 0000 | 00 | |
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 | 000000 |
| 260 | Knurled Two Arm Six Arm | 120 60 80 | M3, M4, M5, M6, M8 M5, M6, M8 M6, M8, M10 | 35° to 180° | 000000000 | 00000 |
Screw-Head Mount Knobs with Messages
Use these knobs to display important messages. 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. 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.
For technical drawings and 3-D models, click on a part number.
Head | ||||||
|---|---|---|---|---|---|---|
| For Screw Size | Dia. | Ht. | Temperature Range, °F | Pkg. Qty. | Pkg. | |
Caution | ||||||
Knurled Grip | ||||||
Black Acetal Plastic—For Socket Head Screws | ||||||
| No. 8 | 1/2" | 1/4" | 32° to 180° | 5 | 000000000 | 00000 |
| No. 10 | 5/8" | 1/4" | 32° to 180° | 5 | 000000000 | 0000 |
| 1/4" | 3/4" | 5/16" | 32° to 180° | 5 | 000000000 | 0000 |
| 5/16" | 1" | 7/16" | 32° to 180° | 5 | 000000000 | 0000 |
Do Not Remove | ||||||
Knurled Grip | ||||||
Black Acetal Plastic—For Socket Head Screws | ||||||
| No. 8 | 1/2" | 1/4" | 32° to 180° | 5 | 000000000 | 0000 |
| No. 10 | 5/8" | 1/4" | 32° to 180° | 5 | 000000000 | 0000 |
| 1/4" | 3/4" | 5/16" | 32° to 180° | 5 | 000000000 | 0000 |
| 5/16" | 1" | 7/16" | 32° to 180° | 5 | 000000000 | 0000 |
Lock/Unlock | ||||||
Knurled Grip | ||||||
Black Acetal Plastic—For Socket Head Screws | ||||||
| No. 8 | 1/2" | 1/4" | 32° to 180° | 5 | 000000000 | 0000 |
| No. 10 | 5/8" | 1/4" | 32° to 180° | 5 | 000000000 | 0000 |
| 1/4" | 3/4" | 5/16" | 32° to 180° | 5 | 000000000 | 0000 |
| 5/16" | 1" | 7/16" | 32° to 180° | 5 | 000000000 | 0000 |
Service Access | ||||||
Knurled Grip | ||||||
Black Acetal Plastic—For Socket Head Screws | ||||||
| No. 8 | 1/2" | 1/4" | 32° to 180° | 5 | 000000000 | 0000 |
| No. 10 | 5/8" | 1/4" | 32° to 180° | 5 | 000000000 | 0000 |
| 1/4" | 3/4" | 5/16" | 32° to 180° | 5 | 000000000 | 0000 |
| 5/16" | 1" | 7/16" | 32° to 180° | 5 | 000000000 | 0000 |
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.