30mm Diamond Core Drill Dits

Segment: 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. Remarks: Pilot bit is available Quality grade: Super. NOTE: NCB10S10GS--Nor-Coring Bit, dia10mm, Segment height 10mm, for Granite, Super quality grade. CBR30S2.5x7GS--Core Bit, Ring segment, dia 30mm, Segment 2.5X7mm, for Granite, Super quality grade. CB60S3.0X7GS--Core Bit, dia 60mm, Segment 3.0x7mm, for Granite, Super quality grade