硬质合金标准分体型，整体型排钻钻头。外径Dia长度Span长度Span产品编号L(左)产品编号R（右）157057100215.57L100215057R167057100216057L;100216057R177057100217057L;100217057R187057100218057L;100218057R197057100219057L;100219057R207057100220057L;100220057R217057100221057L;100221057R227057100222057L;100222057R237057100223057L;100223057R247057100224057L;100224057R257057100225057L;100225057R267057100226057L;100226057R277057100227057L;100227057R287057100228057L;100228057R297057100229057L;100229057R307057100230057L;100230057R317057100231057L;100231057R327057100232057L;100232057R337057100233057L;100233057R347057100234057L;100234057R357057100235057L;100235057R367057100236057L;100236057R377057100237057L;100236057R387057100238057L;100236057R397057100239057L;100236057R407057100240057L;100236057R)