FastenMaster HeadLok Spider Drive Flat Self-Drilling Structural Timber Screws 6.3mm x 175mm 250 Pack (292PT)

Heavy duty structural woodscrews with aggressive thread for holding strength. Ideal replacement for M10 coach screws. Suitable for interior and exterior woodwork, including fencing, deck framing, attaching stair stringers, rigid foam (SIPs) and kitchen cabinets. Spider Drive system contains 8 points of contact, maximising bit fit and reducing stripping, with no pre-drilling required. Feature sharp gimlet point for fast installation into wood and OSB. Supplied with No.3 Spider Drive bit. Flat Head withou... - Manufacturers part numbers: 292PT|FMHLGM007-250

• Free Spider Driver bit in every package
• Guaranteed corrosion resistance for the life of the project; ACQ approved. The SpiderDrive System contains 8 points of contact, maximizing bit fit and reducing stripping
• Patented Spider Drive virtually eliminates cam-out
• No predrilling--zips right in
• Nationally code compliant stronger design shear values than 3/8 inch lag screws