Hex socket flat countersunk head screws fully threaded
BN 20
DIN 7991
(Standard withdrawn)
~ISO 10642
~UNI 5933
| 頭形 |
頭形
埋頭
|
| 穴型 |
穴型
六角穴
|
| 螺紋 |
螺紋
全牙
|
| 材質 |
材質
碳鋼
|
| 強度等級 |
強度等級
010.9 / 10.9 (頭部印記協商決定)
|
| 表面處理 |
表面處理
黑色
|
All features
M2; M2,5: 不包含在 DIN 7991 規範內
Standard
DIN 7991 (Standard withdrawn)
~ISO 10642
~UNI 5933
Additional information
Fasteners to the given specification have a reduced loadability due to the head geometry according to ISO 898-1.
The general change-over from DIN 7991 to ISO 10642 in the practice requires a verification of the application.
The general change-over from DIN 7991 to ISO 10642 in the practice requires a verification of the application.
Features
| 頭形 |
頭形
埋頭
|
| 穴型 |
穴型
六角穴
|
| 螺紋 |
螺紋
全牙
|
| 材質 |
材質
碳鋼
|
| 強度等級 |
強度等級
010.9 / 10.9 (頭部印記協商決定)
|
| 表面處理 |
表面處理
黑色
|
BN 1422 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - zinc flake coated GEOMET® 500 A
BN 21 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - zinc plated blue
BN 2101 - ISO 10642 - ~DIN 7991
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - black
BN 2102 - ISO 10642 - ~DIN 7991
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - zinc plated blue
BN 2103 - ISO 10642 - ~DIN 7991
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - zinc flake coated GEOMET® 500 A