垫圈 无倒角，用于圆柱头螺钉
BN 726
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Standard
DIN 433 (标准已废止)
~ČSN 021703
Features
| 材质 |
材质
钢
|
| 表面处理 |
表面处理
蓝色镀锌
|
| 硬度 |
硬度
140 HV
|
BN 1414 - DIN 433
Flat washers without chamfer, for screws with cylindrical head - Stainless steel - A2
BN 6 - DIN 433
Flat washers without chamfer, for screws with cylindrical head - Stainless steel - A4
BN 727 - DIN 433
Flat washers without chamfer, for screws with cylindrical head - Steel - zinc plated yellow