Positive and secure fit of the BIT and better driving, e. g. when working overhead.
The small cylinder head can easily be countersunk in the timber with a reduced splitting of the material, providing for an impeccable visual appearance.
SPAX typical ground serrations
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