1/2 Hex Key Long Arm Alloy

7/8-9 x 3 1/2 Flat Socket Cap Screw Alloy

5/8 x 3 Hex Lag Screw 18-8 SS

9 DIN 7991 Black Oxide

#12 x 6 High Speed Aircraft Bit Cobalt

3/4-10 x 3 1/4 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (75) Simpson Zinc Nailon™ Pin Drive Anchor Carbon Steel Pin 1/2 Hex Key Long Arm3 4 10 x 3 1 4 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (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.