DescriptionCNC drill bits 0.8mm100% Brand New and High Quality10pcs carbide micro drill 0.7mmDrill has a large scraps discharge space, little resistance and smoothly during the scraps discharge.Use high quality materials and fine grinding process makes bit more for sharp cutting for edge, reduce cutting force and broken drill, improve the quality of hole wall.The cutting for edges strictly avoid partial hole, ensure the quality.Long life, it can drill 2000-5000 pcs under normal working conditions, also can return grinding 4-5 timesShank diameter: approx. 1/8″ (3.175mm)Cutting Edged Diameter:0.012″-0.047″/0.3-1.2MMLength of Cut:0.217″-0.413″/5.5-10.5MMSuitable Materials:print circuit board pcb SMT cnc board etc
