注：
具有扭矩过载保护可防止丝锥断裂。
具有浮动、伸缩、快换等功能。
适合台钻、攻丝机、车床、专机等机床设备。
攻丝范围：M 3 - M 2 4。

1 Torque overload protection protects screw blank from
fracture.
2 Have floating, quick change and torque protection
functions.
3 Used on drill machines, tapping machines, borers,
lathes and so on for tapping.
4 Tapping range: M3-M24.