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- HB 3493-1985 扩孔钻技术条件
- HB 3493-1985
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- HB 3492-1985 不通孔用四齿平刃锥柄扩孔钻d＝10~32mm
- HB 3492-1985
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- HB 3491-1985 不通孔用二齿平刃直柄扩孔钻d＝5~10mm
- HB 3491-1985
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- HB 3490-1985 不通孔用套式扩孔钻 d＝25~80mm
- HB 3490-1985
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- HB 3489-1985 通孔用套式扩孔钻 d＝25~80mm
- HB 3489-1985
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- HB 3488-1985 加工铝合金不通孔用锥柄扩孔钻 d＝10~32mm
- HB 3488-1985
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- HB 3487-1985 加工铝合金通孔用锥柄扩孔钻 d＝10~32mm
- HB 3487-1985
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- HB 3486-1985 不通孔用锥柄扩孔钻d＝10~32mm
- HB 3486-1985
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- HB 3485-1985 通孔用锥柄扩孔钻 d＝10~32mm
- HB 3485-1985
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- HB 3484-1985 加工铝合金不通孔用直柄扩孔钻 d＝5~9.5mm
- HB 3484-1985