NAC IDE80-GY

Octagonal shank chisel from selected steel with polished cutting edge.PTDDRPDIR63746

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 p more→ilot 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 …

Maximum Precision - The HSS Twist Drill Bit Ground is for drilling through metal with maximum precision. The bit's exposed 135-degree self-centring split-point tip combines active cutting and perfect more→centring without wandering, delivering maximum precision. The split-point tip also eliminates any need to pre-punch or pilot drill for up to 10 mm. This precision-ground bit made of HSS (high-speed steel) enables up to 40% faster drilling rate and up to 50% lower feed pressure than standard-ground HSS drill bits with chisel edges. This bit is designed for drilling holes in alloyed and non-alloyed steel, cast steel, cast iron, sintered iron, malleable cast iron, non-ferrous metals and hard plastics.…