Simpson Strong-Tie SDS25112-R25 1-1/2" Structural Wood Screw Int/Ext 25ct
The Simpson Strong-Tie Strong-Drive SDS Heavy-Duty Connector screw is a 1/4"-diameter high-strength structural screw ideal for various connector installations as well as wood-to-wood and engineered wood applications. It installs with no predrilling and has been extensively tested in various applications. The SDS is improved with an easy-driving Type-17 point and a corrosion-resistant double-barrier coating.
Key Features
- Available with a double-barrier coating or Type 316 stainless steel (see SDS25112SS-R25)
- Type-17 point (coated and stainless versions) enable easy driving with no predrilling and minimal wood splitting
- 3/8" hex head with 0.48" integrated washer
- Head is stamped with the Simpson Strong-Tie "≠" sign and fastener length for easy identification after installation
- Replacement driver bit — BITHEXR38-134
Applications
- Heavy-duty Simpson Strong‑Tie connectors
Installation
- Install Tip: A low-speed 1/2" drill with a 3/8" hex driver is the recommended tool for installation
Specifications:
| Coating/Material | Double-Barrier Coating |
| Length (in.) | 1 1/2 |
| Shank Diameter (in.) | 1/4 |
| Drive Type | 3/8" Hex |
| Head Type | Hex Head |
| Thread Type | Serrated Threads |
| Thread Length | 1 |
| Point Type | Type-17 Point |
| Packaging Qty. | 25 |
