One set Vacuum brazed diamond core bits with Box, professional quality. 9pcs products with box. Diameter 6mm 8mm 10mm 12mm 20mm 35mm 45mm 68mm Drill Bit. M14 male thread To 3/8 Hexagon Shank. Each size one piece. Drill Bit: Diameter 6mm 8mm 10mm 12mm. 20mm 35mm 45mm 68mm. Total length: 60mm, Connection: M14 Thread, Diamond height 10MM. Adapter: M14 male thread, 3/8 Hexagon Shank, total length 55MM, shank length 28MM. Drill Bit: Dry/wet drilling for porcelain tile, granite, marble, ceramic. Aapter: M14 thread core bits can be fitted on hand drill or electric drill. Vacuum brazed technology provide high efficient working performance. Fast and Smooth drilling. Less loss of material. Adapter: Good quality steel, long life, and Surface Nickel plating. These products are marked with our brand. If you do not want our brand name, please leave us message, we could send you products without brand. Customize service: we could mark your brand name on our products. 35/50mm Diamond Cone Milling Bit Ceramic Tile Chamfering Finger Hole Saw Cutter. 6mm-50mm Diamond Drilling Core Bits Hole Saw Cutter Cut Ceramic Tile Masonry M14. Vacuum Brazed Diamond Router Bits with 1/2 Shank, Router Cutter for Stone Cut. 6mm-125mm Diamond Drilling Core Bits Porcelain Tile Masonry Hole Saw Cutter M14. Vacuum Brazed Diamond Router Bits with 1/2 Shank, Router Cutter Stone profiling. 6mm-50mm Diamond Drilling Bits Core Bit Hole Saw Cutter Cut Porcelain Tile M14. Vacuum Brazed Diamond Mortar Raking Bit for Mortar Removal Brick Stone 2pcs 74mm. 20/35/50/75mm Diamond Milling Cone Bit Ceramic Tile Chamfering Finger Hole Saw. Diamond Finger Bit Mortar Raking Bit M14 Grinder Ø8x25mm for Brick Stone Masonry. 6mm-125mm M14 Diamond Drilling Core Bits Hole Saw Cut for Porcelain Masonry Tile. Diamond Hole Saw Drill Bit 6mm-75mm Grinder Tile Hole Cutter Porceain Granite. 3pcs 3inch/75mm Diamond Cutting Grinding Disc Wheel Glass Ceramic Tile Marble. 10-25mm Vacuum Brazed Diamond Demi-bullnose Edge Profile 75mm Grinding on marble. Diamond Milling Encarving Bit Cutter Carving Knife for Granite Bluestone Marble. Diamond Finger Bit 2x 74mm Mortar Raking Bit for Stone Brick Masonry Round Shank. 1pc 115mm/4-1/2inch Diamond Cutting Wheel Disc Grinder Saw Blade Porcelain Tile. 20/25/35mm Diamond Milling Finger Bit Tile Ceramic Marble for Angle Grinder M14. 3inch 10-20mm Diamond Grinding Wheel Demi-bullnose Edge Profile for Marble Stone.