25/64 Heavy Duty Jobber Drill Bit

Proof load strength of 90

frictional fit restricting movement of the screw when it is subjected to vibration

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

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

57/64 x 6 Reduced Shank Drill Bit (1/2 Shank) Combo Flat Sleeve Anchors Zinc Plated 25/64 Heavy Duty Jobber Drill57 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.