槽钻 meaning in English

drill flute
long borer
slot borer
slot drill
slot mortising bit

Parallel shank slot drills ; technical delivery conditions
直柄槽钻.交货技术条件
Milling cutters - screwed shank end mills and slot drills
铣刀.螺纹柄端铣刀和槽钻
Wood bits ; straight flute bits straight flute drills
木工钻.长槽钻直槽钻头
Wood bits ; short type straight flute bits straight flute drills
木工钻.短型直槽钻直槽钻头
Slot drills with morse taper shank ; technical delivery conditions
莫氏锥柄槽钻.交货技术条件