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Simpson Strong-Tie® Strong-Drive® SDS25600-R10 Heavy-Duty Connector Screw, 6 in OAL, Hex Head, Hex Drive, Double-Barrier Coated



Simpson Strong-Tie® Strong-Drive® Connector Screw, Heavy-Duty, Series: SDS, Measurement System: Imperial, 6 in Overall Length, Hex Head, Hex Drive, Double-Barrier Coated, 3/8 in Drive, Type 17 Point, Serrated Thread, 3-1/4 in Thread Length, 1/4 in Shoulder Diameter

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.


Drive Size 3/8 in
Drive Type Hex
Finish Double-Barrier Coated
Head Type Hex
Measurement System Imperial
Overall Length 6 in
Point Type Type 17
Series SDS
Shoulder Diameter 1/4 in
Thread Length 3-1/4 in
Thread Type Serrated
Type Heavy-Duty

Warranty: Limited

Standards and Approvals: City of Los Angeles RR25711, ICC-ES ESR-2236, State of Florida - FL9589

For Heavy-Duty Simpson Strong‑Tie® Connectors


  • 3/8 in hex head with 0.48 in integrated washer
  • Head is stamped with the Simpson Strong-Tie® "≠" sign and fastener length for easy identification after installation
  • Type 17 point (coated and stainless versions) enable easy driving with no predrilling and minimal wood splitting
  • Corrosion-resistant double-barrier coating
  • A low-speed 1/2 in drill with a 3/8 in hex driver is the recommended tool for installation

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