BBT shank Taper Arbor

1, -185 ℃ ultra-long tebileng tsidifatso kalafo, e le hore hoo e ka bang bohle ba kopanela austenite phetoho ho martensite;
2, The pula ea nanoscale carbide likaroloana, eketsa thatafala le toughness;
3, Fokotsa ho ba le seabo sa khatello ea maikutlo, ho apara ho hanyetsa ho ntlafalitsoe haholo;