Manufactured from 1005 - 1010 low carbon steel

3/8-16 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (175)

1-8 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (25)

5/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (50)

25/64 x 12 High Speed Aircraft Bit Cobalt

1-8 x 4 A325 Type 1 Heavy Hex Bolt Plain (30) 3/4-10 Hex Tap Bolts 18-8 Stainless Steel Manufactured from 1005 - 10101 8 x 4 A325 Type 1 Heavy Hex Bolt Plain (50) . Heavy Hex A325 structural bolts are designed for steel to steel structural connections. For this reason, they are typically very short. The A325 and A490 specifications are not intended for general applications, including anchor bolts. Free certs available on request.