BBT shank Taper Arbor

1, -185 ℃ ultra-ntev sib sib zog nqus txias kev kho mob, kom ze li ntawm tag nrho cov kev koom tes austenite hloov mus rau martensite;
2 、 Cov nag lossis daus ntawm nanoscale carbide hais, nce hardness thiab toughness;
3, Txo kev koom tes ntawm kev ntxhov siab, hnav tsis kam ua kom zoo dua qub;