硬质合金焊接式锥柄扩孔钻
carbide welded taper shank core drill
直锥柄扩孔钻
straight taper shank core drill
锥柄扩孔钻
taper shank core drill
Core drills with Morse taper shanks
直柄扩孔钻
parallel shank core drill
Core drills with parallel shanks
钻孔扩孔
bore hole drilling and enlarging
长刃锥柄立铣刀
taper shank endmill with long edge
扩孔钻和锥管丝锥复合刀具
combined taper pipe tap and core drill
两级锥柄钻头
two-step taper shank drill