Lock nut, has locking part, which is to be eliminated, provided with holding unit for locking nut on screw, and another locking part, which is to be retained on screw, exempted from hold to form nut
摘要
<p>The nut has two locking parts (2, 3) separable when applied torque exceeds predetermined torque so that the locking part (3) is placed on a screw to be equipped. The locking part (2) which is to be eliminated is provided with a holding unit (6) for locking the nut on the screw. The locking part (3) which is to be retained on the screw is exempted from the hold to form the nut.</p>
