FastenMaster FMTHR007-6 ThruLOK Screw Bolt Fastening System, 7 Inches, 6-Count, Silver
OLYMPIC SCREW BOLT FASTENING SYSTEM Speed of a LOK fastener - strength of a -through-bolted connection. No predrilling - installs using 18V cdls drill. No drill bits or wrenches required. Guide thread for easy installation or removal. Safety top leaves no sharp exposed points. Galvanized coating meets IRC ACQ corrosion specs.