Hanson8 3PC Rotary Burrs Coated 10mm 12mm 14mm Cylinder Head Grinding Bits Grit 1000 Shanks 6mm Lapidary Tools for Stone 3M8Q4

100% brand new and high qualityFeatures:The grinding head is made of high-grade multi electroplating.Mainly used for grinding processing, mold processing and repair, stone carving, carving, cutting lines, polishing, hollowing out, jade carving, glass carving, cleaning the rough edges, burrs, and welding seams of casting, forging, and welding parts. Tooth grinding processing. Chamfering and groove processing of various mechanical parts. Clean the internal holes and surfaces of pipelines and precision machined mechanical parts.Fine sand cylinders are suitable for polishing, fine sand is suitable for precision machining, and coarse sand is suitable for peeling and polishing of raw stones.Specification:Product Name:Mounted PointMaterial:MetalTip Shape: Cylindrical ,CylinderHead diameter:10mm(3/8inch),12mm(15/32inch),14mm(9/16inch)Head length:30mm (1 3/16 inch)Total Length:70-75mm (2.7 inch)Shank diameter: 6-6.4mm(1/4")Grit:     1000#Color: Silver TonePackage included: 3 PC x grinding rod