5/8-11 x 12 A307A Hex Bolt Hot Dipped Galvanized

7/8-14 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated

3/4 x 18 Ship Auger Wood Bit

nylon will begin to deteriorate at temperatures of 150°-350°F so they are not recommended for high temperature service

1 1/8-7 x 16 A307A Hex Bolt Plain Steel 1 1/8-7 A307A Hex Bolts Zinc Plated 5/8-11 x 12 A307A Hex1 1 8 7 x 16 A307A Hex Bolt Plain Steel. A307A Hex Bolts are manufactured from low carbon steel, typically 1015 1022. Our A307A bolting meets or exceeds ASTM A307 Grade A. Material is manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Tensile strength will meet or exceed 60,000 psi.