SPAX Wood Construction Plus Washer-Head Wirox Coated 6.0 x 140mm T30 *20 SCREWS*
HI.Force 6.0 x 140mm, 20 pieces, full thread, washer head, T-STAR Plus T30, 4CUT, WIROX. Washer head - Ensures higher pull through forces, allowing for larger screw distances. High head traction forces than countersunk head screws.