IN WORKMANSHIP: Refined full grinding,each product undergoes multiple wear and tear after processing,inside and outside are very smoothly.
HIGH HARDNESS: Taper is made of high speed steel material,hard,not easy to break,with long service life.
EXCELLENT PERFORMANCE:Variable size:MT2-MT3,accuracy:0.015 mm,hardness:50 HRC,perfectly replace your old or broken drill sleeve.
IN WORKMANSHIP: Refined full grinding,each product undergoes multiple wear and tear after processing,inside and outside are very smoothly.
GOOD DURABILITY: The whole is quenched,has higher hardness and wear resistance,strong shockresistance is not easy to be damaged,and has a long service life.