功能

• It has a special screw angle shape that increases the reaction force of the thread and exhibits a strong anti-loosening effect by dispersing stress.

规格

• 尺寸 (mm) dx L:M 8 x 30
• 强度等级:12.9
• 材料/加工:相当于SCM 435
• 数量:1包 (10个)
• 代码编号:856 -1000
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封装大小：79×140×34 mm　100 g　 [关于封装大小]