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About Rounded Head Screws
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Steel Binding Head Slotted Screws
Often used to make firm electrical connections, these screws have a wide head to accommodate terminals and wires. They have a zinc plating to resist corrosion in wet environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
| Lg. | Threading | Head Dia. | Head Ht. | Tensile Strength, psi  | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
4-40 | ||||||||
| 3/16" | Fully Threaded | 0.235" | 0.068" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 000000 |
| 1/4" | Fully Threaded | 0.235" | 0.068" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 5/16" | Fully Threaded | 0.235" | 0.068" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 3/8" | Fully Threaded | 0.235" | 0.068" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 1/2" | Fully Threaded | 0.235" | 0.068" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 5/8" | Fully Threaded | 0.235" | 0.068" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
6-32 | ||||||||
| 1/8" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 3/16" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 1/4" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 5/16" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 3/8" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 7/16" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 1/2" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 5/8" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 3/4" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 1" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | 0.290" | 0.087" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
8-32 | ||||||||
| 1/4" | Fully Threaded | 0.344" | 0.105" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 5/16" | Fully Threaded | 0.344" | 0.105" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 3/8" | Fully Threaded | 0.344" | 0.105" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 0000 |
| 1/2" | Fully Threaded | 0.344" | 0.105" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 5/8" | Fully Threaded | 0.344" | 0.105" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.344" | 0.105" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 1" | Fully Threaded | 0.344" | 0.105" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
10-24 | ||||||||
| 1/2" | Fully Threaded | 0.399" | 0.123" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.399" | 0.123" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
10-32 | ||||||||
| 1/4" | Fully Threaded | 0.399" | 0.123" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 3/8" | Fully Threaded | 0.399" | 0.123" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 1/2" | Fully Threaded | 0.399" | 0.123" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 5/8" | Fully Threaded | 0.399" | 0.123" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.399" | 0.123" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
1/4"-20 | ||||||||
| 3/8" | Fully Threaded | 0.525" | 0.164" | 60,000 | ASME B18.6.3 | 100 | 000000000 | 00000 |
| 1" | Fully Threaded | 0.525" | 0.164" | 60,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |