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机用丝锥用在机床上加工通孔与不通孔的普通内螺纹。刃部由高速钢制成。螺纹都经过磨制。
本丝锥一般可攻削碳素钢、铸钢、合金钢等高强度材料。
Machine taps are used in cooperation with
machines to cut common internal threads of
through or blind holes the cutting edge is made
of high speed steel. Threads are ground .
Usually the taps can be used for tapping on such
extra-hard materials as carbon steel ,cast steel
,allor steel ,etc . |
