فولاد کربن درجه 12.9 چرخ اکسید سیاه بولت چرخ فلزی بولت M6 M8

بولت فلزی
May 27, 2025
Video Description:
Discover the high-strength Carbon Steel Grade 12.9 Black Oxide Wheel Bolt, available in M6 and M8 sizes. Perfect for automotive, mechanical, and industrial applications, these bolts offer superior anti-loosening performance and rust prevention with a black oxide finish.