Timco Box of 1000 x Collated WingTip S/DRILL EXT – 4.8 x 44 – 00044COLLW

Specifically designed to attach wood to metal (Max. 4.0mm). Coarse self-tapping thread with wings designed to ream out the timber> this helps the screw achieve Max. R.P.M. without burning out. When the wings hit the metal they will break off to permit the thread to self-tap into the metal. Exterior plating to achieve a high corrosion resistance. 1000 Pieces