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About Socket Head Screws
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Plastic Socket Head Screws
Fully Threaded
These screws are chemical and oil resistant, nonconductive, and lightweight. Length is measured from under the head. Glass-filled nylon screws are reinforced with fiberglass to be twice as strong as standard nylon screws.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
Screws that meet ASME B18.3 comply with specifications for dimensional standards.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing  | Dia. | Ht. | Drive Size | Temp. Range, °F | Color | Specifications Met | Pkg. Qty. | Pkg. | |
Glass-Filled Nylon Plastic | |||||||||||
2-56 | |||||||||||
| 1/8" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 000000 |
| 3/16" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 3/16" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1/4" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 1/4" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 5/16" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
4-40 | |||||||||||
| 1/8" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 3/16" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1/4" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 1/4" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 5/16" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 7/16" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 7/8" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Black | UL 94 HB | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
6-32 | |||||||||||
| 1/4" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 1/4" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -20° to 230° | Off-White | UL 94 HB | 10 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -20° to 230° | Off-White | UL 94 HB | 10 | 000000000 | 0000 |
8-32 | |||||||||||
| 1/4" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -40° to 200° | Off-White | ASME B18.3, UL 94 HB | 10 | 000000000 | 0000 |
| 3/8" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
10-24 | |||||||||||
| 1/4" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | UL 94 HB | 25 | 000000000 | 00000 |
10-32 | |||||||||||
| 1/2" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -40° to 200° | Black | ASME B18.3, UL 94 HB | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -20° to 230° | Black | UL 94 HB | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 2" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
1/4"-20 | |||||||||||
| 3/8" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | UL 94 HB | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | UL 94 HB | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Black | UL 94 HB | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Black | UL 94 HB | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Black | UL 94 HB | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Black | UL 94 HB | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Black | UL 94 HB | 10 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -20° to 230° | Off-White | __ | 10 | 000000000 | 00000 |