检测标准:EÁ°¼IRúbbs.3c3t.com¿"lzE
GB/T1228-2006 高强大六角头螺栓EÁ°¼IRúbbs.3c3t.com¿"lzE
GB/T1229-2006 高强大六角螺母EÁ°¼IRúbbs.3c3t.com¿"lzE
GB/T1230-2006 高强度垫圈EÁ°¼IRúbbs.3c3t.com¿"lzE
GB/T1231-2006 高强度大六角头螺栓、大六角螺母垫圈技术条件EÁ°¼IRúbbs.3c3t.com¿"lzE
检测项目:EÁ°¼IRúbbs.3c3t.com¿"lzE
1、螺栓楔负荷试验;EÁ°¼IRúbbs.3c3t.com¿"lzE
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4、螺母、垫圈表面硬度。EÁ°¼IRúbbs.3c3t.com¿"lzE