Simpson Strong-Tie SDS25312-R25L Strong-Drive SDS HEAVY-DUTY CONNECTOR Screw, 1/4-in. x 3-1/2-in. DB Coating, 25-Pack

• Type-17 point enables easy driving with no predrilling and minimal wood splitting
• 3/8″ hex head with 0.500″ integrated washer
• Head is stamped with the Simpson Strong-Tie “≠” sign and fastener length for easy identification after installation
• Serrated threads
• Packaged in a ledger-specific box with 3/8-in. hex-driver bit; replacement driver bit — BITHEXR38-R1
• Length: 3-1/2 in.
• Corrosion-resistant double-barrier coating
• Quantity: 25

The Simpson Strong-Tie Strong-Drive SDS Heavy-Duty Connector screw is a 1/4 in.-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.

• Type-17 point enables easy driving with no predrilling and minimal wood splitting
• 3/8″ hex head with 0.500″ integrated washer
• Head is stamped with the Simpson Strong-Tie “≠” sign and fastener length for easy identification after installation
• Serrated threads
• Packaged in a ledger-specific box with 3/8-in. hex-driver bit; replacement driver bit — BITHEXR38-R1
• Length: 3-1/2 in.
• Corrosion-resistant double-barrier coating
• Quantity: 25

Install With: A low-speed 1/2 in. drill with a 3/8 in. hex driver is the recommended tool for installation