FastenMaster TimberLok Hex Double-Countersunk Structural Timber Screws 6.3 x 200mm 250 Pack (22973)

Heavy duty timber screw engineered from heat-treated steel. Hex head for positive drive. No pre-drilling required, strong enough to pull warped wood together securely. Easy to remove and reuse. Supplied with hex head drive tool. Double Self-Countersunk with Underhead Ribs Carbon Steel Construction CR-10 Coating Low Friction Coating Self-Drilling Partially Threaded Deep, Sharp, Single Thread for Cutting Cleanly through Wood No Pre-Drilling Required - Manufacturers part number: 22973