套裝孤度規(guī)178 272系列套裝孤度規(guī)型號片數(shù)規(guī)格178A301/32 to1/4 by64ths178B3217/64 to1/2 by64ths178MAA20.1to1.0mmby.1178MA341to3mmby.25and3to7mmby.5178MB327.5to15mmby.5178MC1616to23mmby1178MD1424to30mmby1178ME2031to40mmby1178MF2041to50mmby1178MR3015.5to20mmby.5and20to25mmby1178-112201.1to2.0mmby.1(sussteel)178-213202.1to3.0mmby.1(sussteel)272A161/32 to17/64 by64ths272B169/32 to33/64 by64ths272MAA10.1to1.0mmby.1272MA18.75to5mmby.25272MB165.5to13mmby.5272MC1013to22mmby1272MD823to30mmby1272ME1031to40mmby1272MF1041to50mmby1272-112101.1to2.0mmby.1(sussteel)272-213102.1to3.0mmby.1(sussteel)套裝孤度規(guī)