The cold-rolled steel pin and mushroom head configuration make this anchor tamper resistant

zinc plated in either a flat or round head style

#24 Heavy Duty Drill Bit - Stubby Length

1-8 x 12 Grade 5 Hex Cap Screw Zinc Plated

Precision ground for high degree of concentricity between shank and body diameter

5/8-18 x 5 Hex Cap Screw SS 316 (A4) 7/16-14 Hex Cap Screws 316 Stainless Steel The cold-rolled steel pin and5 8 18 x 5 Hex Cap Screw SS 316 (A4) . 316 series stainless steel differs from 18 8 by its molybdenum content (2 3%) and a higher nickel content (10 14%). 316 stainless steel has greater corrosion resistance than 18 8 as well as superior strength at high temperatures.