304 and 305 series stainless steels so 18-8 is used at times to designate any and all of those alloy groups

3/8 x 12 High Speed Aircraft Bit Cobalt

7/8-9 x 8 Grade 5 Hex Cap Screw Zinc Plated

6 x 1 5/8 Phillips Bugle Decking Screws W

Free Spider Drive bit in every package

3/4-10 x 4 Hex Tap Bolt 18-8 (A2) Stainless Steel 7/16-14 Hex Cap Screws 316 Stainless Steel 304 and 305 series stainless3 4 10 x 4 Hex Tap Bolt 18 8 (A2) Stainless Steel . 18 8 stainless steel hex tap bolts 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