Package Included:<br />10pcs PCB BITS<br /><br />Feature:<br />Drill has a large scraps discharge space，little resietance and smoothly during the scraps dischange.<br />Using high quaility materials and fine grinding process makes bit more sharp cutting edge，reduce cutting force and broken drill and improve the quality of hole wall.<br />The cutting edges strictly avoid partial hole，ensure the quality.<br />Long life in normal working condition.<br /><br />Material:Hard alloy <br />Size:<br />Handle diameter 3.175mm<br />Tool diameter:1.0mm<br />Fit for:PCB drilling hines， engraving hine， CNC and high precision special drilling equipment.