These high performance Faithfull Tungsten Carbide tipped drill bits fit into 'SDS Plus' chucks which provide a particularly secure non-slip grip that transmits maximum power for rotary percussion drilling, mainly into concrete. The SDS Plus bits ensure maximum power transmission due to their unique fluted shaft. This effectively removes situations where a perfectly serviceable cutting edge is rendered useless by a worn shank. The SDS Plus system also enables faster changing of drills using a quick release keyless chuck.The drill bits are suitable for use in bricks, blocks, concrete containing aggregates, marble and hard stone and other hard masonry materials.The Faithfull FAISDS20210 SDS Drill has a heavy-duty tungsten carbide tip with the following dimensions:Diameter: 20mmWorking Length: 150mmOverall Length: 210mm
The Faithfull Lip & Spur Wood Drill Bits are the preferred cutting tip design for drilling wood, chipboard and MDF. This alloy steel drill has a steeper twist and a deeper flute than HSS bits for rapid clearance of waste. Ideal for use in dowelling jigs.This Faithfull Lip & Spur Wood Drill Bit has the following specification: Diameter: 4mm.Working Length: 43mm.Overall Length: 75mm.