straight fluted reamer 直槽铁刀

spiral fluted reamer 螺旋槽铰刀

conical spiral fluted reamer 锥形螺旋槽绞刀

conical straight fluted reamer 直槽锥形铰刀

spiral-fluted roughing reamer 螺旋槽粗加工铰刀

fluted chucking reamer [机] 机用带槽铰刀

spiral fluted expansion reamer 螺旋槽可胀式铰刀

spiral fluted expansion hand reamer 螺旋槽可胀式手铰刀

fluted roughing reamer 螺旋槽粗加工铰刀