Premium Dry Diamond Core Drill Set 7 Piece

Supplied in a convenient carry case, this 7 Piece diamond core drill bit set includes 3 different sized drill bits, as well as a SDS Adaptor & a Hex Adaptor for use with different fitting systems, a pilot drill for marking the worksurface, & a drift key to assist with bit & chuck removal. Each of the diamond core drill bits has been manufactured for heavy duty drilling applications through the toughest construction materials, including brick, masonry & concrete. Precision machined to withstand immense stress, the bits feature highly concentrated diamonds & extremely tough premium grade solid steel barrels, for increased drilling speed & extended lifetimes.Use a professional standard electric drill with a motor of at least 850W for heavy duty drilling applications - cordless models are not suitable.Applications:Recommended for the following materials: Medium soft facing brick, concrete blocks, hard sandstone, coarse sandstone, soft slate, breeze block, lignacite blocks.Includes: 38mm Dry Core Drill52mm Dry Core Drill117mm Dry Core Drill250mm SDS Adaptor250mm Hex Adaptor10mm x 175mm A-Taper Pilot DrillDrift Key