Chemical Composition:

1-8 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated

countersunk split drive anchor

Sizes range from 1/8" x 2" to 1/2" x 6" with combo round

Yellow zinc plated bolting will meet or exceed ASTM F1941

3/4 x 6 Reduced Shank Drill Bit (1/2 Shank) 5/8-11 Socket Cap Screws 18-8 Stainless Steel Chemical Composition:3 4 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.