precision screw
... 翼形螺钉/蝶形螺钉 Wing Screws 精密螺钉 Precision Screws 自攻螺钉 Self-Tapping Screws ...
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经过精密锻造，钛合金材料更加凸显特性，螺钉之强度更高！
After precision forging, titanium materials become even more prominent features, the intensity of higher screw!
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