316 stainless steel differs from 18-8 by it's molybdenum content (2-3%) and a higher nickel content (10-14%)

The black coating serves as a base for organic coatings (lacquers

1/8 Heavy Duty Drill Bit - Stubby Length

1 1/8-7 x 3 Socket Cap Screw Alloy

3/4-10 x 4 Hex Tap Bolt 18-8 (A2) Stainless Steel 3/4 Hex Lag Screws Hot Dipped Galvanized 316 stainless steel differs from3 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