1PCS BT30 BT40 ER32 TER16 TER20 TER25 ที่วางก๊อกลอย BT40 แตะคอลเลทเชย CNC มิลลิ่งด้ายเครื่องมือ
Specification:
Product Name: BT30 BT40 tapping tool holder
Precision: 0.005mm
Material: 42CrMnTi Steel
Hardness: HRC48-52
True roundness: 0.8 u
Carburizing depth: 0.8 mm
Surface roughness: 0.8mm
Applicable machine: CNC/computer gong/high speed machine...
Features :
Hardening by quenching and heat treatment,
bending and seismic resistance, high precision,
exquiste, and toughness are higher than those of ordinary steels.