Diamond Core Drill Bit

Diamond Core Drill Dits 1. Application: granite and marble. 2. Wet use, center water feed. 3. Drilling fast and smoothlyDiamond Core Drill DitsSegment: crown ring (dia14-dia50) and segmented (dia60-dia152). Wet use, center waterfeed. Total length: 50mm, 80mm, 100mm, 120mm. Connection: Shank, M14, M16, 5/8"-11, GAS1/2" for CNC machine. Advantage: fast and smooth cutting, long lifetime. specification: ItemDiameterSegment sizeFor marble and graniteφ25.4φ25.4/φ17.4×8φ31.8φ31.8/φ23.8×8φ38.1φ38.1/φ30.1×8φ50.820×4×10φ63.520×4×10φ76.220×4×10φ88.920×4×10φ101.620×4×10φ127.020×4×10φ152.420×4×10φ177.820×4×10φ203.220×4×10φ228.625×4.5×10φ254.025×4.5×10φ304.825×4.5×10φ40025×4.5×10