1/2"-20 x 2" (FT) Fine Thread Socket Flat Head Cap Screw Nylon Patch Alloy Steel Black Oxide Pk 125: Amazon.com: Industrial & Scientific
3/8"-7 x 5" Hex Lag Screw Low Carbon Steel Zinc Plated Pk 125: Amazon.com: Industrial & Scientific
M16 x 2.00 Coarse Thread DIN 980 Class 8 Automation (Stover All Metal) Locknut Medium Carbon Steel Zinc Plated and Wax Pk 125: Amazon.com: Industrial & Scientific