Use: Universal indoors and outdoors without direct weathering. Spax-exclusive Wirox surface: 20 times higher corrosion protection compared to conventional blank zinc plating than required by standard As a multi head pronounced countersunk for flush penetration and comfortable processing, milled in wood, brakes on metal. Optimum power transmission and clean fit even when processing overhead with Spax bit T-Star plus T30 with guide pins Effortless work and longer battery life: No pre-drilling (depending on the wood). Easy penetration, reduction of the gap effect by 4Cut: Four edges in the tip. Easier cutting of the wood fibre thanks to Spax-typical wave profile Made in Germany: TÜV certified. Approved for use in construction European technical approval for s as a wood connecting medium in carrying wooden constructions (ETA-12/0114) Box contents: 1 Spax box, pack of 200 universal screws, T-Star plus, countersunk head, partial thread, 4Cut, Wirox surface, thread diameter (d1) = 6 mm x total length (Ls) = 80 mm, partial thread length (LgT) = 46 mm, head diameter (dk): 11.6 mm, bit not included, Weight: 4.4312914662 pounds, Manufacturer: Spax