螺旋彈簧防鬆華司 尾端平面
BN 20430
Standard
DIN 127 B (Standard withdrawn)
~UNI 1751 B
~ČSN 021741
Additional information
We recommend DIN 128 A (curved spring lock washers) for new construction: BN 768 / BN 769 / BN 770
Spring lock washers for UNC, UNF, and Ww thread: BN 767
Other coatings on request.
Spring lock washers for UNC, UNF, and Ww thread: BN 767
Other coatings on request.
Features
| 材質 |
材質
彈簧鋼
|
| 表面處理 |
表面處理
鍍鋅
|
Warnings
ISO 4042
淬火和回火的緊固件硬度 ≥ 360 HV 及滲碳熱處理的緊固件表面電鍍處理: 易氫脆風險!
有關殘餘風險的進一步注意事項，使用注意事項
BN 762 - DIN 127 B
Split spring lock washers with flat end - Spring steel - mechanical zinc plated blue
BN 763 - DIN 127 B
Split spring lock washers with flat end - Spring steel - mechanical zinc plated yellow
BN 764 - DIN 127 B
Split spring lock washers with flat end - Spring steel - hot dip galvanized