a new plating that is 7x more corrosion resistant than standard zinc plating

5/8-11 x 8 Grade 5 Hex Cap Screw Zinc Plated

5/8 x 6 Reduced Shank Drill Bit (3/8 Shank)

5/8 x 11 Hex Lag Screw Zinc Plated

1/2-13 x 7 Hex Cap Screw SS 18-8 (A2)

15/16 x 6 Reduced Shank Drill Bit (1/2 Shank) 5/8-11 Hex Cap Screws 316 Stainless Steel a new plating that is15 16 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.