1.screw point
2.Production runs closer on the nominal diameter and can end up also smaller
then nominal diameter.
3.thread flank rounding
4.Thread run out stays unchanged
5.100% chip-less thread forming screw still doesn´t exist!
Thread run out stays unchanged。外伸的螺纹能保持不变
此句直译为“螺纹保持不变”是否恰当?run out 是否一定要译为“外伸的?”
我认为是可以的,在这里我认为应该是为了突出潜在使用中可能被消耗的部分。