Item Type: Micro Twist Bits
Material: Tungsten steel
Specification: 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm

Package List：
10 x Micro Twist Bits
Material: The metric mini micro drill bit set is made of tungsten steel, with high hardness, not easy to bend,wear and break, and tungsten steel twist drill has good milling and cutting performance
Package List: Contains 10 micro twist bits of different sizes, which are suitable for deep hole processing in different situations.Orifice drill bit set different sizes to meet different needs
Feature: The circuit board straight handle spiral drill incisive cutting ed ge and the large spiral notch design make it easy to remove chips and make the hole smoother
Easy To Use: Engraving twist bits are designed with stable and reliable engraving process, fast and clean work without burr, large chip removal space, low drilling heat, straight handle spiral drill very practical
Wide Application: These jewelry engraving bit are ideal for drilling holes in printed circuit boards, cnc engraving glass, amber beeswax, bakelite, jewelry, plastic and other precision drilling