Hexalobular socket countersunk flat head screws fully threaded
BN 4851
ISO 14581
| Headform |
Headform
Countersunk head 90°
|
| Drive |
Drive
Hexalobular socket
|
| Thread |
Thread
fully threaded
|
| Material |
Material
Steel
|
| Property class |
Property class
08.8 / 8.8 (The head marking is determining)
|
| Surface |
Surface
zinc plated blue
|
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
Countersunk head 90°
|
| Drive |
Drive
Hexalobular socket
|
| Thread |
Thread
fully threaded
|
| Material |
Material
Steel
|
| Property class |
Property class
08.8 / 8.8 (The head marking is determining)
|
| Surface |
Surface
zinc plated blue
|
BN 1422 - DIN 7991 - ~ISO 10642
平頭內六角螺絲 全牙 - 碳鋼 - 010.9 / 10.9 (頭部印記協商決定) - 鋅片塗層 GEOMET® 500 A
BN 20 - DIN 7991 - ~ISO 10642
平頭內六角螺絲 全牙 - 碳鋼 - 010.9 / 10.9 (頭部印記協商決定) - 黑色
BN 21 - DIN 7991 - ~ISO 10642
平頭內六角螺絲 全牙 - 碳鋼 - 010.9 / 10.9 (頭部印記協商決定) - 鍍鋅
BN 30105 - DIN 7991 - ~ISO 10642
平頭內六角螺絲 全牙 - 碳鋼 - 08.8 / 8.8 (頭部印記協商決定) - 鍍鋅