TRUSCO Earthquake-resistant drill screw for wooden construction Φ4.2X40 Head Φ8.5 50 pieces TWFS-4240 1 PK

Catalog number: TWFS-4240 Features: ●Improve earthquake resistance by simply screwing into plywood, and wall multiplier of 5 times is possible. ●Sharp drill point. No undue force is applied to wood, and even hard wood can be fastened without pilot holes. ●Easy to install with an impact driver. ●Harder than nails, so it has high rigidity, and more flexible than tapping screws, so it exerts tenacity, and the head diameter (φ9.0) larger than nails prevents the plywood from slipping through, greatly improving maximum strength. ●Excellent corrosion resistance and environmentally friendly surface treatment. Applications: ●Wooden plywood. ●Residential exterior walls. ●Installation of various metal fittings. ●Seismic retrofit. Specifications: ●Dimensions (mm) d: φ4.2 ●Compatible driver: Phillips No. 2 ●Dimensions d x total length (mm): φ4.2 x 40 ●Total length (mm): 40 ●Package: Bolt pack (blister) Material/Finish: ●Steel ●Surface treatment: Geomet +60