DRILLING BITS

Super-strLENGTH steel. Spiral portion coated with orange or black P.T.F.E., HW head with precision balanced centre point. 2 precision ground cutting edges (Z2), 4 spiral flutes. Parallel shank with driving flat and LENGTH adjusting screw.

Premium quality HWM. 2 precision ground cutting edges (Z2), 2 spiral flutes. Common shank and drilling diametre (S=D).

Premium quality HWM. 2 precision ground cutting edges (Z2), 2 spiral flutes. Common shank and drilling diametre (S=D).

Super-strLENGTH steel. 2 precision ground carbide tipped cutting edges (Z2). Direct clamp on the shank of the drills.

Super-strLENGTH steel. 2 precision ground carbide tipped cutting edges (Z2). Direct clamp on the shank of the drills.