The threaded stud version is available in eight diameters and multiple lengths

1/4 x 2 1/2 Round Split Drive Anchor Zinc Plated (100)

9/16-18 x 2 Socket Cap Screw Alloy

3/32 Cobalt Heavy Duty Jobber Drill Bit

This combination of features makes the 2-4 1/2 Grade 2 finished hex nut zinc plated an excellent choice for reliable fastening needs

43/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank) 12" Aircraft Bits - Fractional The threaded stud version is43 64 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.