亚洲欧美日韩国产vr在线观_亚洲AⅤ永久无码一区二区三区_无码多人性战交疯狂派对_男人的好免费观看直播 - 美女Aⅴ毛片人人看一AV

Pan head plum blossom self tapping screw gb2670.1

Pan head plum blossom self tapping screw gb2670.1Pan head plum blossom self tapping screw gb2670.1Pan head plum blossom self tapping screw gb2670.1
  • Product description：Pan head hexagon screw, also referred to as hexagon bolt, cup head screw, hexagon screw, its name is not the same, but the meaning is the same. There are 4.8, 8.8, 10.9 and 12.9 in common use. Also kn

Pan head plum blossom self tapping screw gb2670.1

Material: stainless steel 304316, grade 8.8 high strength and grade 12.9 high strength

Product standard: GB2670.1

It can also support non-standard customization.