Positive and secure fit of the BIT and better driving, e. g. when working overhead.
Raised countersunk head with milled ribs
Clean, flush sinking of the screw head.
For quick and secure fastening.
Permits a safe and permanent connection of the wood parts.
No pre-drilling (wood-dependent), its point effectively reduces the splitting effect. The square end pushes aside the fibre of the wood and reduces the screwing-in torque.
Stainless steel A2 1.4567