Grade 5 Hex Cap Screws are manufactured from medium carbon steel

10-16 x 3 1/2 Phillips Drywall Self Drill Screw Zinc Plated (1000)

3/4-10 x 7 A307 Grade A Carriage Bolt Zinc Plated

00 x 50 Hex Cap Screw DIN 933 A2 (18-8) Stainless Steel - DIN 933 A2 Hex Cap Screws are manufactured from A2-70 stainless steel per ISO 3506 part 1

1 1/4-7 Finished Hex Nut SS 18-8 (A2) M24-3.00 Hex Cap Screws DIN 933 18-8 Stainless Steel (A2) Grade 5 Hex Cap Screws1 1 4 7 Finished Hex Nut SS 18 8 (A2) . Finished Hex Nuts in 18 8 stainless steel are for use with stainless steel bolts or screws with a specified minimum tensile strength equal or less than the specified proof stress of the mating nut. 18 8 nuts are characterized as having a chromium content of 18% and nickel content of 8 10%.