Hex head thread cutting screws type A, with metric thread
BN 1221
DIN 7513 A
~ČSN 021226-9
| Headform |
Headform
Hexagon
|
| Drive |
Drive
Hexagon
|
| Thread |
Thread
fully threaded
|
| Material |
Material
Steel
|
| Material execution |
Material execution
case-hardened
|
| Surface |
Surface
zinc plated blue
|
| Hardness |
Hardness
450 HV
|
All features
Standard
Features
| Headform |
Headform
Hexagon
|
| Drive |
Drive
Hexagon
|
| Thread |
Thread
fully threaded
|
| Material |
Material
Steel
|
| Material execution |
Material execution
case-hardened
|
| Surface |
Surface
zinc plated blue
|
| Hardness |
Hardness
450 HV
|
Assembly notice
1. Drill or die-cast the pilot hole
2. The screw cuts its own internal thread in the pilot hole
3. The self cutting screw is tightened. The pilot hole depth must be aligned (chips)
4. After the self-tapping screw is removed, the internal thread is clearly visible
Illustration assembly
Warnings
ISO 4042
Quenched and tempered fasteners ≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!
Further notice to residual risks can be found on our web page: Notes on use
BN 1013 - DIN 7513 B
Slotted cheese head thread cutting screws type B, with metric thread - Steel - case-hardened - zinc plated blue
BN 1017
Slotted cheese head thread cutting screws with metric thread type 2 - Steel - case-hardened - zinc plated blue
BN 1023
Phillips pan head thread cutting screws form H, with metric thread type 2 - Steel - case-hardened - zinc plated blue