1/4 x 4 1/2 Simpson Titen HD® Countersunk Head Style Heavy-Duty Screw Anchor Zinc Plated Carbon Steel - Box (50) 3/4-16 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA The deep T25 6-Lobe recess

1 4 x 4 1 2 Simpson Titen HD® Countersunk Head Style Heavy Duty Screw Anchor Zinc Plated Carbon Steel Box (50) 3 4 16 L9 Hex Cap Screws Yellow Zinc Plated Domestic USA The deep T25 6 Lobe recess The deep T25 6 Lobe recess prevents cam out and ensures consistent drive performance these 6 Lobe Drive 305 stainless steel screws will provide up to 35% higher withdrawal resistance than traditional screws Each box contains 50 anchors to ensure reliable and secure fastenings Simpson Titen HD® Countersunk Head Style Heavy Duty Screw Anchors are made of zinc plated carbon steel and designed to provide up to 10 times more anchoring power than regular screws