Medium degree of corrosion resistance

9/16 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

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Typical hardness is HRC 24-35 for diameters up to 1 1/2 inches

5/8 x 6 1/2 Titen HD Concrete Anchor Zinc Plated (10)

1 9/32 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank) 5/8 Hex Lag Screws 18-8 Stainless Steel Medium degree of corrosion resistance1 9 32 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.