Hex head thread cutting screws type A, with metric thread
Thread fully threaded
Material execution case-hardened
Surface zinc plated blue
Hardness 450 HV
Standard DIN 7513 A ~ČSN 021226-9
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.
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 in the introduction section.
BN 1013 - DIN 7513 B
Slotted cheese head thread cutting screws type B, with metric thread - Steel - case-hardened - zinc plated blue
Slotted cheese head thread cutting screws with metric thread type 2 - Steel - case-hardened - zinc plated blue
Phillips pan head thread cutting screws form H, with metric thread type 2 - Steel - case-hardened - zinc plated blue