HeadLOK® offers higher design shear than 3/8" lag screws and no pre-drilling is needed

1/4-20 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (2500)

00 Hex Keys Alloy 6150 Short Arm - Metric

9/16-12 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (200)

50 x 340 Socket Cap Screw 12

3-4 A194 2H Heavy Hex Nut Hot Dipped Galvanized Square Drive Framing Screws HeadLOK® offers higher design shear3 4 A194 2H Heavy Hex Nut Hot Dipped Galvanized . A194 2H Heavy Hex Nuts are manufactured from 1045 steel to meet or exceed ASTM A194 Grade 2H. Hot Dip Galvanized material will meet or exceed ASTM A153 and or ASTM F2329. Galvanized nuts are over tapped per ASTM A563. Typical hardness is HRC 24 35 for diameters up to 1 1 2 inches, HRB 95 HRC 35 for diameters over 1 1 1 2 inches. Proof load strength is 175,000 psi.