Simpson Strong-Tie SDS Screw 1/4″ x 2-1/2″ (25 Pack)

The Simpson Strong-Tie SDS structural screw delivers high-strength performance for connector installations, wood-to-wood assemblies and engineered wood applications. Its improved Type-17 point drives easily with no predrilling and minimizes wood splitting. Serrated threads provide better withdrawal resistance, while the corrosion-resistant double-barrier coating stands up to exterior exposure. Each screw features a stamped hex head for quick identification and installs with a replacement driver bit BITHEXR38-R1 (not included).

Key Features

• Type-17 point for easy driving without predrilling
• Serrated threads for superior holding power
• 3/8″ external hex head with integrated 0.500″ washer
• Head stamped with Simpson Strong-Tie logo and length for on-site ID
• Corrosion-resistant double-barrier coating for outdoor use
• Compatible with driver bit model BITHEXR38-R1 (sold separately)

⚠️ WARNING: This product can expose you to Tetrabromobisphenol A known to the State of California to cause cancer and Epichlorohydrin known to cause birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.