Patio floorboards drill with metal drill bit
Both the metal spiral drill bit and countersink are made of HSS tool steel. They have a hexagonal 1/4" bit shank and are produced in one piece (neither bonded nor brazed); further they are specially hardened to withstand major loads resulting from for example the uneven rotation of cordless screwdrivers.
Galilelaan 32
6716 BP Ede
Netherlands
+31 88 574 15 00
info@rotec.tools