wolfcraft Annular Bit Insert Set, Tungsten Carbide Coated, 6 Pcs. I 3478000 I For brick walls and stone, Ø 33-83 mm, cutting depth 55 mm

• 4 tungsten carbide coated annular bit inserts Ø 33, 53, 73 and 83 mm, 55 mm cutting depth for drilling exact holes for plumbing and electrical installations in brick walls and stone
• includes centring drill bit (Ø 8 mm) with hexagon shank and receptacle plate for immediate use
• Quality tested by technical inspection authority for safety

This six-piece set is ideal if you want to prepare plumbing and electrical installations and drill holes in brick walls and stone. It contains four tungsten carbide coated annular bit inserts with Ø 33, 53, 73 and 83 mm, a centring drill bit (Ø 8 mm) and a receptacle plate. It lets you drill exact holes with a cutting depth of 55 mm (e.g. in pumice stone, aerated concrete or similar types of soft and medium-hard stone). The hexagon shank makes the annular bit insert quick to secure in the chuck of your power drill. The annular bit inserts are TÜV-tested, meaning you can be sure of safe, quality products.