Connector Screw, 1/4 in Thread, 1-1/2 in L, Serrated Thread, Hex Drive 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. The SDS Strong-Drive 1/4 in wood screw line has expanded to include stainless-steel SDS screws in 1-1/2 in to 3-1/2 in lengths, suitable for fastening Simpson Strong-Tie stainless-steel products. Offering the same easy-driving, split-reducing installation of the standard SDS screw, these screws are made from Type 316 stainless steel. The stainless-steel SDS screws are appropriate for higher-exposure environments where maximum corrosion-resistance is required.

Item Features

• Type 17 point enable easy driving with no predrilling and minimal wood splitting
• 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

Item Specifications

• Brand Name: Simpson Strong-Tie
• Manufacturer Name: Simpson Strong-Tie
• Manufacturer Number: SDS25112SS-R25

Item Documentation

• Catalog
• Specification Sheet

Product Certification & Qualifications

• ICC-ES ESR-3046 Compliant