5.5mm drill bit. EXTREME SDS plus four cutter concrete drill bits feature a solid 2 cuter carbide head, flanked by two individual cutting tips. This delivers a fast and efficient drilling speed in concrete. The four flute spiral enables quick debris removal maintaining fast drilling speeds.
Tough Core - more material within bit to increase durability
Iron blast technology - high speed composite blasting strengthens the bit to reduce the risk of breakage
2 cutter carbide head - new tip design ensures better bit penetration, longer life, faster drilling and greater durability
Application - suitable for fast drilling of plug, anchor or clearance holes in masonry, stone, concrete and brick/block work
Durability - optimized mounting shank provides perfect grip and optimum power transmission, with a hardened steel body for extra strength and reduced breakage
Fast drilling - solid two cutter head is flanked by two individual cutting tips delivering a fast and efficient drilling speed
Anchor wear mark - to indicate when bit needs to be changed when installing mechanical anchors