磨制直柄麻花钻
ground straight-shank twist drill
套装直柄麻花钻
straight shank twist drill set
硬质合金焊接式直柄麻花钻
carbide welded straight shank twist drill
锥直柄麻花钻
taperstraight shank drill
直柄短麻花钻
straight shank short fluted twist drill
直锥柄麻花钻
straight taper shank twist drill
套装锥柄麻花钻
taper shank twist drill set
硬质合金焊接式锥柄麻花钻
carbide welded taper shank twist drill
硬质合金锥柄麻花钻
carbide taper shank twist drill
大螺旋角直柄钻头
high-helix straight shank drill
滚轧直柄钻头
roll-forged straight shank drill
厚钻心直柄钻头
heavy-web straight shank drill
小螺旋角直柄钻头
slow-helix straight shank drill
硬质合金直柄钻
straight shank carbide drill