Proof load strength of 90

1/4-20 x 2 1/4 Acorn Sleeve Anchor Zinc Plated (100)

47/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

5/8 x 4 Titen HD Concrete Anchor Zinc Plated (10)

3/4-16 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

57/64 x 6 Reduced Shank Drill Bit (1/2 Shank) Combo Flat Sleeve Anchors Zinc Plated Proof load strength of 9057 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.