61/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

2 1/4 F436 Flat Washer Plain

000 psi for Hot-Dip Galvanized nuts

19/32 x 6 Reduced Shank Drill Bit (1/2 Shank)

11/32 Heavy Duty Jobber Drill Bit

1 1/8 x 6 Reduced Shank Drill Bit (1/2 Shank) Stainless Steel Rivet / Steel Mandrel 61/64 x 6 Reduced Shank1 1 8 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.