平頭梅花穴螺絲
BN 4851
ISO 14581
| Headform |
Headform
埋頭 90°
|
| Drive |
Drive
梅花穴
|
| Thread |
Thread
全牙
|
| 材質 |
材質
碳鋼
|
| Property class |
Property class
08.8 / 8.8 (頭部印記協商決定)
|
| 表面處理 |
表面處理
鍍鋅
|
All features
Standard
ISO 14581
Additional information
Fasteners to the given specification have a reduced loadability due to the head geometry according to ISO 898-1.
Features
| Headform |
Headform
埋頭 90°
|
| Drive |
Drive
梅花穴
|
| Thread |
Thread
全牙
|
| 材質 |
材質
碳鋼
|
| Property class |
Property class
08.8 / 8.8 (頭部印記協商決定)
|
| 表面處理 |
表面處理
鍍鋅
|
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 20 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - black
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 30105 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 08.8 / 8.8 (The head marking is determining) - zinc plated blue