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

Square washer DIN436

Square washer DIN436Square washer DIN436Square washer DIN436
  • Product description：Square washer for building should replace circular washer for wood building and concrete floor application; They are used with all fasteners for greater load distribution and bolts through walls or wo

Square washer DIN436

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

Application scope / industry: solar energy, electrical products, machinery, sports equipment, aerospace and other fields.

It can also support non-standard customization.

At the same time, all kinds of information should be complete, welcome to contact us.