It is manufactured from 18-8 (A2) Stainless Steel

1/4-20 x 6 Grade 5 Hex Cap Screw Plain Domestic USA (50)

9/16-18 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (75)

5/8-18 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (250)

7/8-9 x 4 A307A Hex Bolt Hot Dipped Galvanized

0.195 x 6 Washer Head Strong-Drive® SDPW Deflector Screw E-coat® Electrocoating SawTooth™ Point (T40 6-Lobe) Gray - Box (400) 5/16-24 Socket Cap Screws Alloy It is manufactured from 18-8The 0. 195 x 6 Washer Head Strong Drive SDPW Deflector Screw features an E coat Electrocoating and a SawTooth Point for superior holding power. The T40 6 Lobe design offers improved drive performance, making it suitable for a wide variety of applications. Each box contains 400 screws.