The cold-rolled steel pin and mushroom head configuration make this anchor tamper resistant

as you only have to pay one flat rate regardless of the quantity you choose

3/4-10 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/8-16 x 7 Simpson Wedge Anchor 303 SS (50)

51/64 x 6 Reduced Shank Drill Bit (1/2 Shank) 1-8 Grade 5 Hex Cap Screws Zinc Plated The cold-rolled steel pin and51 64 x 6 Reduced Shank Drill Bit (1 2 Shank) . Expands the size range capacity of a 1 2 inch portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials.