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

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

Used for drilling holes in hard

3/32 Cobalt Heavy Duty Jobber Drill Bit

5/8-11 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated

1-8 x 1 3/4 Hex Cap Screw SS 18-8 (A2) 9/16-18 Socket Cap Screws Alloy 1-8 x 1 1/2 Grade1 8 x 1 3 4 Hex Cap Screw SS 18 8 (A2) . 18 8 stainless steel hex cap screws will have a typical composition of 18% chromium and 8% nickel. These percentages exist in 303, 304 and 305 series stainless steels so 18 8 is used at times to designate any and all of those alloy groups. 18 8 stainless steel offers good corrosion resistance and machines easily but will over time stain in coastal environments. They are also acceptable for use in ACQ pressure