Spax Stainless Steel 4.0 x 30mm Wood Screws. No Pre-Drilling. SPAX 4CUT point: allows screwing in without pre-drilling (wood-dependent), reduces splitting as square end displaces the fibres. SPAX T-STAR plus: secure bit grip, no cam-out effect, optimal force transmission. Effectively reduces splitting of the wooden material, even when close to the edge.