注：
  本产品具有浮动、快换、便捷、操作简单
  适合用于攻丝机、钻攻机、台钻等机床设备攻丝
  攻丝M3-M20

1 Floating, quick change, automatic regulatory
  function.
2 Suitable for radial drills, tapping machines,
  drilling attach machines, lathes and so on for
  tapping.
3 Tapping range: M3-M20.