Mandrex One-Click (MXqs) Arbor Hex 8,5 – Carbide percussion tip drill The MXqs arbors can be used on all drilling machines, in combination with all Hole Saws. Just choose the correct combination of arbor and pilot drill and start drilling! MXqs Arbor Complete for Multi-purpose Carbide Tipped Hole Saws. With Carbide tipped Percussion pilot drill MX2P0062B L=125mm ?7mm Drill Chuck Hex 8,5 – 11/32?PB. E.g. for concrete, sandstone, brickwork, soft tiles