鋸齒華司 A型, 外鋸齒
BN 781
DIN 6798 A
(Standard withdrawn)
~UNI 8842 A
~ČSN 021745
| 材質 |
材質
彈簧鋼
|
| 表面處理 |
表面處理
鍍鋅
|
| Hardness |
Hardness
350-425 HV
|
All features
M5a; M8a:適用六角頭螺絲
Standard
DIN 6798 A (Standard withdrawn)
~UNI 8842 A
~ČSN 021745
Features
| 材質 |
材質
彈簧鋼
|
| 表面處理 |
表面處理
鍍鋅
|
| Hardness |
Hardness
350-425 HV
|
Warnings
BN 20231 - DIN 6798 A
Serrated lock washers type A, external serrations - Spring steel - zinc plated with thick layer passivation
BN 779 - DIN 6798 A
Serrated lock washers type A, external serrations - Spring steel - black
BN 80024 - DIN 6798 A
Serrated lock washers type A, external serrations - Spring steel - zinc plated yellow