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HB 6073-1996锁紧螺母2022-06-13

HB 3569-1985微动螺母2022-06-13

JB/T 4210.7-2014六角螺母冷镦模第7部分:镦六角上冲头2022-06-13

HB 20019-2011带双收紧螺母四通管接头（1Cr11Ni2W2MoV）2022-06-13

GB/T 3763-2008管接头用六角薄螺母2022-06-13

GB/T 6177.1-20162型六角法兰面螺母2022-06-13

HB 8234-2002MJ螺纹六角厚自锁螺母Self-locking hexagon thick nuts with MJ thread2022-06-12

HB 6405-1990ＭＪ螺纹普通六角薄螺母2022-06-12

GB/T 17880.1-1999平头铆螺母Flat head riveted nuts2022-06-10

GB/T 6184-20001型全金属六角锁紧螺母Prevailing torque type all-metal hexagon nuts,style 12022-06-10

HB 6263-1989六角螺母2022-06-10

GB/T 938-1988自锁螺母Self-locking nuts2022-06-10

GB/T 5648-2008扩口式管接头用B型螺母2022-06-10

HB 1-401-1983六角厚螺母2022-06-10

HB 6508-2005抗剪型MJ螺纹高锁螺母Hi-lock shear with MJ thread2022-06-10

GB/T 6176-20162型六角螺母细牙2022-06-10

HB 5957-1986尼龙嵌件六角锁紧薄螺母2022-06-10

QJ 2738.3-1995MJ螺纹丝锥短柄螺母丝锥2022-06-10

HB 1619-1987长方形螺母2022-06-10

GB/T 6185.2-20162型全金属六角锁紧螺母细牙2022-06-10

HB 6416-1990带保险孔的ＭＪ螺纹普通六角薄螺母2022-06-10

HB 1764-1987带肩过渡螺母2022-06-10

HB 7148.16-1995大型系列组合夹具紧固件.六角螺母2022-06-09

HB 5540-1983外套螺母2022-06-09

HB 6443-2008螺母通用规范2022-06-09

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