Slotted flat countersunk head thread cutting screws with tapping screw thread type 1
hole-Ø: approximate data; the final hole diameters should be determined by performance tests.
Headform Countersunk head
Thread fully threaded
Material execution case-hardened
Surface zinc plated blue
Hardness 450 HV
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.