jacky
螺母规格标准表如下六角螺母C级GB/T41-2000六角厚螺母GB56-88蝶形螺母GB62-88环形螺母GB63-88组合式盖形螺母GB802-88球面六角螺母GB804-88师著延在石空处排相师扣紧螺母GB805-88滚花高螺母GB806-88滚花薄螺母GB807-88小越顺省常氧践上六角特扁细牙螺母GB8少制及指解08-88嵌装圆螺母GB809-88小圆螺母GB810-88圆螺母GB812-88端面带孔圆螺母GB815-和边钟88侧面带孔圆螺母GB816-88带槽圆螺母GB817-881型非金属嵌件六角锁紧螺母GB/T889千井.1-20001型非金属嵌件六角锁紧螺母细牙GB/T889.2-2000盖形螺母GB923-881型六角螺母GB/T6170-20001型六角螺母细牙GB/T6171-2000
