25/64 Heavy Duty Jobber Drill Bit

The Split Drive Anchor is a one-piece anchor with a split-type expansion mechanism on the working end

2 1/4-12 A194 2H Heavy Hex Nut Plain

Proof load strength of 90

1-8 x 4 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 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.