1/4-28 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

hollow or grout-filled concrete masonry

7/16-20 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (300)

5/8-11 Drop-In Anchor 303 SS (25)

5/8-11 x 4 A325 Type 1 Heavy Hex Bolt Plain (100) Jobber Drill Bits - Wire Gauge 1/4-28 x 5 1/2 Grade5 8 11 x 4 A325 Type 1 Heavy Hex Bolt Plain (100) . 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.