25/64 Heavy Duty Jobber Drill Bit

Tensile strength on diameters 1/4 to 2 1/2 inches is a minimum of 150

9/16 x 6 Reduced Shank Drill Bit (3/8 Shank)

000 psi minimum is met for plain or zinc plated material

25/32 x 6 Reduced Shank Drill Bit (1/2 Shank) A563 Grade A Heavy Hex Nuts Hot Dipped Galvanized 25/64 Heavy Duty Jobber Drill25 32 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.