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

Hexagon thin nut DIN439

Hexagon thin nut DIN439Hexagon thin nut DIN439
  • Product description:Hexagon thin nut with thread specification of m1.6-m64, performance grade of 14h, 04, 05, a2-035, a2-025, a4-035, a4-025, Cu2, cu3 and AL4, product grade of a and B.

Hexagon thin nut DIN439

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

Product standard:DIN439

It can also support non-standard customization.