用于Digamatic千分表、指針千分表鋼球型測針(單位mm) 性能參數(shù)/ 3mm鋼球測針L材料貨號A7.3硬質(zhì)合金頭901312M2.5*0.45 901454＃2.5*0.45 鋼900030M2.5*0.45 塑料901994＃4-48UNF 902018M2.5*0.45 紅寶石120047M2.5*0.458.3*硬質(zhì)合金頭902119M2.5*0.45鋼900986M2.5*0.4515硬質(zhì)合金頭120049M2.5*0.45紅寶石120051M2.5*0.4520硬質(zhì)合金頭137391M2.5*0.45紅寶石137392M2.5*0.4525硬質(zhì)合金頭120053M2.5*0.45紅寶石120055M2.5*0.45*用于防水指針式千分表。鋼球型測針(單位mm)性能參數(shù)/球型測針DLSR貨號A1057101119M2.5*0.4512.73.187101205＃4-48UNF9.532.389101204＃4-48UNF鋼球型測針(硬質(zhì)合金頭/單位mm)性能參數(shù)/ 球型測針(硬質(zhì)合金頭)DLSR貨號A5.255120058M2.5*0.457.5107120059M2.5*0.4510.51010120060M2.5*0.45