3/16 x 4 Mushroom Spike Zinc Plated (100)

1 1/2-6 x 10 Socket Cap Screw Alloy

towers and other commercial structures

pre-expanded anchor available in carbon steel for use in concrete and stone

1/2-20 x 6 1/2 Socket Cap Screw Alloy

51/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank) Slotted Hex Nuts 3/16 x 4 Mushroom Spike51 64 x 6 Reduced Shank Drill Bit Cobalt (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.