可转位浅孔钻
drill with indexable insert
indexable drill for shallow holes
内排屑精密深孔钻
precision deep hole drill with inside chip removal
内排屑深孔钻
deep-hole drill by internal chip removal
BTA deep-hole cutter
浅孔钻
short hole drill
shallow hole drilling
drill with indexable inserts
深孔钻
Deep-hole Drilling
gun barrel drill
Deep -hole drilling
deep hole drilling
Deep-hole Drill
Deephole drilling
drilling technology and data accumulation
deep well drilling
single flute drill