This diamond core drill bit has been manufactured for heavy duty drilling applications through the toughest construction materials, including brick, masonry & concrete. Precision machined to withstand immense stress, the bit features highly concentrated diamonds & an extremely tough premium grade solid steel barrel, for increased drilling speed & an extended lifetime. This drill bit can be used in conjunction with SDS Plus machines & other fitting systems if used with the appropriate adaptor. 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.SpecificationsDimensions: 102 diameter x 165mm lengthGrade: X90Segment height: 10mmSegment attachment: brazedDry/wet: DrySegment type: flat curveBarrel type: solid1/2" BSP Female Bac