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About Hex Head Screws and Bolts
More
Plastic Hex Head Screws
Fully Threaded
Partially Threaded
Made from plastic, these screws are chemical and oil resistant, nonconductive, and lightweight. Length is measured from under the head.
PVC screws resist oil, grease, and alkalies better than nylon screws, and they don’t absorb moisture.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing  | Wd. | Ht. | Color | Max. Temperature, °F | Tensile Strength | Pkg. Qty. | Pkg . | |
PVC Plastic | |||||||||||
1/4"-20 | |||||||||||
| 1/2" | Fully Threaded | __ | Coarse | 7/16" | 15/64" | Gray | 140° | Not Rated | 5 | 000000000 | 000000 |
| 3/4" | Fully Threaded | __ | Coarse | 7/16" | 15/64" | Gray | 140° | Not Rated | 5 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 7/16" | 15/64" | Gray | 140° | Not Rated | 5 | 000000000 | 00000 |
| 1 1/2" | Partially Threaded | 3/4" | Coarse | 7/16" | 15/64" | Gray | 140° | Not Rated | 5 | 000000000 | 00000 |
| 2" | Partially Threaded | 3/4" | Coarse | 7/16" | 15/64" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 3" | Partially Threaded | 3/4" | Coarse | 7/16" | 15/64" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
5/16"-18 | |||||||||||
| 1" | Fully Threaded | __ | Coarse | 1/2" | 17/64" | Gray | 140° | Not Rated | 5 | 000000000 | 00000 |
| 1 1/4" | Partially Threaded | 1" | Coarse | 1/2" | 17/64" | Gray | 140° | Not Rated | 5 | 000000000 | 00000 |
| 1 1/2" | Partially Threaded | 1" | Coarse | 1/2" | 17/64" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 2" | Partially Threaded | 1" | Coarse | 1/2" | 17/64" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
3/8"-16 | |||||||||||
| 1/2" | Fully Threaded | __ | Coarse | 9/16" | 5/16" | Gray | 140° | Not Rated | 5 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 9/16" | 5/16" | Gray | 140° | Not Rated | 5 | 000000000 | 00000 |
| 1 1/4" | Partially Threaded | 1" | Coarse | 9/16" | 5/16" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 1 1/2" | Partially Threaded | 1" | Coarse | 9/16" | 5/16" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 2" | Partially Threaded | 1" | Coarse | 9/16" | 5/16" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 3" | Partially Threaded | 1" | Coarse | 9/16" | 5/16" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
1/2"-13 | |||||||||||
| 1" | Fully Threaded | __ | Coarse | 3/4" | 13/32" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 1 1/2" | Partially Threaded | 1" | Coarse | 3/4" | 13/32" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 2" | Partially Threaded | 1 1/4" | Coarse | 3/4" | 13/32" | Gray | 140° | Not Rated | 1 | 000000000 | 0000 |
| 3" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 13/32" | Gray | 140° | Not Rated | 1 | 000000000 | 00000 |
| 4" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 13/32" | Gray | 140° | Not Rated | 1 | 000000000 | 00000 |
5/8"-11 | |||||||||||
| 1 1/2" | Fully Threaded | __ | Coarse | 7/8" | 31/64" | Gray | 140° | Not Rated | 1 | 000000000 | 00000 |
| 2" | Partially Threaded | 1 1/2" | Coarse | 7/8" | 31/64" | Gray | 140° | Not Rated | 1 | 000000000 | 00000 |
| 3" | Partially Threaded | 1 1/2" | Coarse | 7/8" | 31/64" | Gray | 140° | Not Rated | 1 | 000000000 | 00000 |
| 4" | Partially Threaded | 1 1/2" | Coarse | 7/8" | 31/64" | Gray | 140° | Not Rated | 1 | 000000000 | 00000 |