Simpson Strong-Tie SDHR31400-R25 Strong-Drive® SDHR COMBO-HEAD Screw — 0.315 in. x 4 in., Blue Zinc (25-Qty) Length:4 in. giving you plenty of materials

giving you plenty of materials to complete your project efficiently

these nails are built to withstand the test of time

offering durability in any environment

preventing interference with thread cutting for a smoother operation

Simpson Strong-Tie SDHR31400-R25 Strong-Drive® SDHR COMBO-HEAD Screw — 0.315 in. x 4 in., Blue Zinc (25-Qty) Length:4 in. giving you plenty of materialsSimpson Strong Tie SDHR31400 R25 Strong Drive SDHR COMBO HEAD Screw Introducing the Simpson Strong Tie SDHR Combo Head Screw, meticulously crafted for professionals in the construction industry. This structural fastener is your go to choice for: Cross Laminated Timber Construction Mass Timber Construction General Interior Applications Measuring 0. 315 inches in diameter and 4 inches in length, these screws offer unparalleled strength and reliability.