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Plastic Hex Head Screws
Fully Threaded
Made from plastic, these screws are chemical and oil resistant, nonconductive, and lightweight. Length is measured from under the head.
PEEK screws are the strongest plastic screws. They’re more wear resistant than PTFE screws and almost as chemical resistant. They withstand salt water, solvents, and organic acids such as citric acid, and don’t absorb moisture. However, they will weaken when exposed to strong acids. Compared to nylon and PVC screws, they perform better at high temperatures. Those with 26,000 psi tensile strength are filled with 30% glass for nearly twice the strength of pure PEEK screws.
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 | Temperature Range, F° | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing  | Wd. | Ht. | Color | Min. | Max. | Tensile Strength | Pkg. Qty. | Pkg . | |
PEEK Plastic | |||||||||||
1/4"-20 | |||||||||||
| 1/4" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1/2" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 5/8" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 7/16" | 5/32" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 7/16" | 11/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 0000 |
5/16"-18 | |||||||||||
| 1/2" | Fully Threaded | Coarse | 1/2" | 13/64" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 1/2" | 13/64" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 1/2" | 13/64" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 1/2" | 13/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 1/2" | 13/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
3/8"-16 | |||||||||||
| 1/2" | Fully Threaded | Coarse | 9/16" | 15/64" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 9/16" | 15/64" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 9/16" | 15/64" | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 9/16" | 15/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
| 2" | Fully Threaded | Coarse | 9/16" | 15/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
1/2"-13 | |||||||||||
| 1" | Fully Threaded | Coarse | 3/4" | 21/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Coarse | 3/4" | 21/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Coarse | 3/4" | 21/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
| 2" | Fully Threaded | Coarse | 3/4" | 21/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
| 3" | Fully Threaded | Coarse | 3/4" | 21/64" | Off-White | Not Rated | 460° | 26,000 psi | 1 | 000000000 | 00000 |
M4 × 0.7 mm | |||||||||||
| 8mm | Fully Threaded | Coarse | 7mm | 3mm | Off-White | Not Rated | 460° | 26,000 psi | 5 | 000000000 | 0000 |
| 10mm | Fully Threaded | Coarse | 7mm | 3mm | Off-White | Not Rated | 460° | 26,000 psi | 5 | 000000000 | 0000 |
| 12mm | Fully Threaded | Coarse | 7mm | 2.8mm | Off-White | -55° | 500° | 14,500 psi | 5 | 000000000 | 0000 |
| 16mm | Fully Threaded | Coarse | 7mm | 3mm | Off-White | Not Rated | 460° | 26,000 psi | 5 | 000000000 | 0000 |
| 20mm | Fully Threaded | Coarse | 7mm | 3mm | Off-White | Not Rated | 460° | 26,000 psi | 5 | 000000000 | 0000 |
M5 × 0.8 mm | |||||||||||
| 12mm | Fully Threaded | Coarse | 8mm | 3.5mm | Off-White | -55° | 500° | 14,500 psi | 5 | 000000000 | 00000 |
| 16mm | Fully Threaded | Coarse | 9mm | 3.5mm | Off-White | -55° | 500° | 14,500 psi | 5 | 000000000 | 00000 |
| 20mm | Fully Threaded | Coarse | 10mm | 3.5mm | Off-White | -55° | 500° | 14,500 psi | 5 | 000000000 | 00000 |
| 25mm | Fully Threaded | Coarse | 11mm | 3.5mm | Off-White | -55° | 500° | 14,500 psi | 5 | 000000000 | 00000 |
M6 × 1 mm | |||||||||||
| 10mm | Fully Threaded | Coarse | 10mm | 4mm | Off-White | -55° | 500° | 14,500 psi | 5 | 000000000 | 00000 |
| 16mm | Fully Threaded | Coarse | 10mm | 4mm | Off-White | -55° | 500° | 14,500 psi | 5 | 000000000 | 00000 |
| 20mm | Fully Threaded | Coarse | 10mm | 4mm | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
| 30mm | Fully Threaded | Coarse | 10mm | 4mm | Off-White | -55° | 500° | 14,500 psi | 1 | 000000000 | 0000 |
Plastic Socket Head Screws
Fully Threaded
These screws are chemical and oil resistant, nonconductive, and lightweight. Length is measured from under the head. PEEK screws are twice as strong as standard nylon screws and withstand temperatures up to 500° F. They resist more chemicals than polypropylene 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 | Each | |
PEEK Plastic | ||||||||||
2-56 | ||||||||||
| 3/16" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 00000 |
| 1/4" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1/2" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
4-40 | ||||||||||
| 3/16" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1/4" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 5/16" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/8" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1/2" | Fully Threaded | Coarse | 0.183" | 0.112" | 3/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
6-32 | ||||||||||
| 1/4" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/8" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1/2" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 5/8" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 0.226" | 0.138" | 7/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
8-32 | ||||||||||
| 1/4" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/8" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1/2" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 5/8" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 0.27" | 0.164" | 9/64" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
10-24 | ||||||||||
| 1/2" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
10-32 | ||||||||||
| 3/8" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1/2" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 5/8" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 2" | Fully Threaded | Fine | 5/16" | 0.19" | 5/32" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
1/4"-20 | ||||||||||
| 3/8" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1/2" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 5/8" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 7/8" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1 3/4" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 2 1/2" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3" | Fully Threaded | Coarse | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
1/4"-28 | ||||||||||
| 3/8" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
5/16"-18 | ||||||||||
| 1/2" | Fully Threaded | Coarse | 15/32" | 5/16" | 1/4" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 15/32" | 5/16" | 1/4" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 15/32" | 5/16" | 1/4" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
3/8"-16 | ||||||||||
| 1/2" | Fully Threaded | Coarse | 9/16" | 3/8" | 5/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 9/16" | 3/8" | 5/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 9/16" | 3/8" | 5/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 9/16" | 3/8" | 5/16" | -50° to 500° | Beige | ASME B18.3, UL 94 V-0 | 000000000 | 00000 |
M3 × 0.5mm | ||||||||||
| 5mm | Fully Threaded | Coarse | 5.5mm | 3mm | 2.5 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 6mm | Fully Threaded | Coarse | 5.5mm | 3mm | 2.5 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
M4 × 0.7mm | ||||||||||
| 8mm | Fully Threaded | Coarse | 7mm | 4mm | 3 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 10mm | Fully Threaded | Coarse | 7mm | 4mm | 3 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 12mm | Fully Threaded | Coarse | 7mm | 4mm | 3 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 14mm | Fully Threaded | Coarse | 7mm | 4mm | 3 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 16mm | Fully Threaded | Coarse | 7mm | 4mm | 3 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
M5 × 0.8mm | ||||||||||
| 10mm | Fully Threaded | Coarse | 8.5mm | 5mm | 4 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 12mm | Fully Threaded | Coarse | 8.5mm | 5mm | 4 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 20mm | Fully Threaded | Coarse | 8.5mm | 5mm | 4 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 25mm | Fully Threaded | Coarse | 8.5mm | 5mm | 4 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
M6 × 1mm | ||||||||||
| 12mm | Fully Threaded | Coarse | 10mm | 6mm | 5 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 20mm | Fully Threaded | Coarse | 10mm | 6mm | 5 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 25mm | Fully Threaded | Coarse | 10mm | 6mm | 5 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
M8 × 1.25mm | ||||||||||
| 16mm | Fully Threaded | Coarse | 13mm | 8mm | 6 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 20mm | Fully Threaded | Coarse | 13mm | 8mm | 6 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 25mm | Fully Threaded | Coarse | 13mm | 8mm | 6 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |
| 30mm | Fully Threaded | Coarse | 13mm | 8mm | 6 mm | -50° to 500° | Beige | DIN 912, UL 94 V-0 | 000000000 | 0000 |