鋼類4.8 8.8 クラス10.9 四角頭 T メタルボルト 白亜鉛 半糸付き

金属のボルト
May 27, 2025
Video Description:
Discover the high-strength Steel Grade 4.8, 8.8, and Class 10.9 Square Head T Metal Bolts with white zinc plating and half-threaded design. Perfect for automotive, mechanical, energy, and construction applications, these bolts offer superior performance and durability.