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Feature

Contains 5 size drill bits diameter,0.6 mm,0.7 mm,0.8 mm,0.9 mm,1 mm each size have 10 pcs
Total length is 38 mm,shank diameter is 3.17 mm,made of japan.
Surface neat no burr, double helix than single blade sharp anti-vibration, not easy to collapse knife chip capacity, high processing efficiency
Used for Amber beeswax, circuit boards, bakelite, CNC engraving plexiglass, jewelery, metal plastic and other precision drilling
Package with high quality plastic box,easy carry and better protection the blade tip goods in the delivery not compromised

Description

Product Detial:
50 pcs micro drill bits 0.6 mm-10 mm
Easy to drill hole , safe and efficient, wear resistance durable
Humanized positioning ring design, reduce the debugging time of the machine
blade tips seismic design can slow down the vibration of the process and improve the quality of the surface
Package with high quality plastic box,easy carry and better protection the blade tip goods in the delivery not compromised

Package:
50 pcs Micro drill bits with plastic box