Distar diamond core drill bit DDS-W (CAMC-W) 172x450x1 1/4 UNC reinforced concrete

Diamond core drill bit DDS-W 172 mm, for reinforced concrete • For drilling holes in heavily reinforced and reinforced concrete, brick and other building materials, usually for ventilation, air conditioning, plumbing and other services. • Used on drilling rigs from 1,9 kW, on a stand or by hand. • Drills fast through heavy reinforced concrete; when passing rebar, lowering the rotation speed is recommended. • The diamond segments are laser-fixed to the body, which holds them securely even under vibration and shock loads. • Cooling with running water is required. • Length 450 mm, shank 1 1/4 UNC. Extensions increase the drilling depth to several metres. DISTAR 17903094097