BAMILL 10PCS Diamond Coated Drill Bits Set Needle HSS Polishing Power Tools For Glass

Description: 10pcs Diamond Coated Drill Bits Set Needle High Speed Steel Polishing Power Tools For Glass Jewelry Agate Fine Drill Bits Micro diamond jade drill bit drilling tool this product is made of drill bit and diamond powder. Suitable for drilling jewelry ceramics glass and semiconductor materials. Use warnings: 1. you can shorten the total length first which can reduce the shaking 2. you can pull off a vise a little bit from the head to avoid slipping Specification: Material: Emery + high speed steel drill Applicable machine: Bench drill/hanging mill Specifications Include: 0.8/1/1.2/1.5/1.8/2/2.5/3mm Use range: Jade metal agate jade gemstone pearl pendant pebble can be used (hardness of material is different) Quantity:8pcs Package Includes: 8pcs drill bits Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.