Fastest drilling speeds

Made of carbon steel and zinc plated

1/2-13 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (225)

3/4-16 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (60)

7/8-9 x 3 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated

1 1/4-7 x 5 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized - Bulk Keg (85) 6-Lobe Trim Head Simpson Deck-Drive™ DWP WOOD Screw 305 Stainless Steel Fastest drilling speedsThis 1 1 4 7 x 5 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized is designed to provide secure fastening between heavy steel components, with heavy duty hot dipped galvanization for protection against corrosion. Get 85 pieces in one bulk keg.