Vis à tête cylindrique à six pans creux avec tête extrêmement basse
BN 20697
| Headform |
Headform
圓柱薄頭
|
| Drive |
Drive
六角穴
|
| Thread |
Thread
全牙
|
| Material |
Material
碳鋼
|
| Property class |
Property class
010.9
|
| Surface |
Surface
鍍鋅
|
All features
Additional information
Fasteners to the given specification have a reduced loadability due to the head geometry according to ISO 898-1.
Features
| Headform |
Headform
圓柱薄頭
|
| Drive |
Drive
六角穴
|
| Thread |
Thread
全牙
|
| Material |
Material
碳鋼
|
| Property class |
Property class
010.9
|
| Surface |
Surface
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