Timberfix 360 brand high performance woodscrews, 5.0 x 30mm, box of 100. 
Sharp gash point for easy starting
Serrated cutter threads give faster, easier insertion and prolong cordless battery life
Lubricated threads to reduce friction
Zinc and yellow passivated finish gives excellent corrosion protection
Self countersinking ribs under the head make it easy to get the screw head flush without the need for a separate countersink bit
(Longer sizes only) Part threaded with anti-split ribbing on the shank to avoid splitting the timber
Pozi bit included with each pack quantity