Simpson Strong-Tie® Strong-Drive® Connector Screw, Heavy-Duty, Series: SDS, Measurement System: Imperial, 1-1/2 in Overall Length, Hex Head, Hex Drive, Double-Barrier Coated, 3/8 in Drive, Type 17 Point, Serrated Thread, 1 in Thread Length, 1/4 in Shoulder Diameter
| Type | : | Heavy-Duty |
| Series | : | SDS |
| Measurement System | : | Imperial |
| Overall Length | : | 1-1/2 in |
| Drive Type | : | Hex |
| Finish | : | Double-Barrier Coated |
| Drive Size | : | 3/8 in |
| Point Type | : | Type 17 |
| Thread Type | : | Serrated |
| Thread Length | : | 1 in |
| Shoulder Diameter | : | 1/4 in |
The Simpson Strong-Tie® Strong-Drive® SDS Heavy-Duty Connector screw is a 1/4 in Dia high-strength structural wood screw ideal for various connector installations as well as wood-to-wood applications. It installs with no predrilling and has been extensively tested in various applications. The SDS is improved with a patented easy driving 4CUT™ tip and a corrosion-resistant double-barrier coating.