沉头盲孔铆螺母有（大）沉头和小沉头两种，铆接后头部与钣金面持平。可供的材质：碳钢，铜，铝及不锈钢供应范围与规格：M3~M12SIZEDeh(ref.)AcrosssideM-0.03-0.20dk&plu***n;0.30K&plu***n;0.20L&plu***n;0.30M1+0.15+0.05LGB.***4HBM40.5~2.013.0667.60.816.5LGB.***5HBM50.5~2.514.5778.90.818.5LGB.***6HBM60.5~3.018.09910.90.822.8LGB.***8HBM80.5~3.520.0111112.50.926.5)