日本BIG KAISER大昭和精机铣刀BT30芯轴BBT30-32-L150 日本BIG KAISER大昭和精机铣刀BT30芯轴BBT30-32-L150 Technical data ØD:32 L:150 A:125 Weight (kg):1.04 BIG-PLUS® tools can be used in machining centers with non BIG-PLUS® spindles. Taper length is in accordance with JIS BT standard. Supplied in aluminium case. Dyna Test BIG-PLUS BT Type Periodic inspection of the machine spindle to control production stability. Shorter models are ideal for measuring ATC repeatability.