Countersunk head screw DIN 7991 M4 x 18 - Steel 10.9
Standard: DIN 7991
Diameter: M 4
Length: 18 mm
Material/Quality: steel 10.9
Surface: blank
Drive: hexagon socket
Attention!
With Flat-head screws the length is measured including head!
For detailed dimensions and further informations please have a look at the pictures and the "Standard" tab!
(The illustrated article pictures are sample illustrations and demonstrate form and colouring. Dimensions and material may differ. The article description is valid.)
Also known as:
countersunk screw, flat-head screw, flat head, DIN 7991, ISO 10642
Countersunk screws according to DIN 7991 / ISO 10642
For countersunk screws the entire length is measured including the head !
Dimensions (Drawing see above):
| dk mt |
= |
|
head diameter |
| kmax. |
= |
|
maximum height of head |
| s |
= |
|
wrench size of hexagon socket |
| b* |
= |
|
min. length of thread (usually countersunk screws are full threaded, but depending on size and production charge length of thread can differ. If you need a specific length of thread please contact us.) |
