Hexalobular (6 Lobe) socket flat countersunk head thread forming screws ~type M, metric thread
All prices are based on the minimum order quantity. If you have any questions or special requirement, please contact Bossard.
1) Tapered thread end max. 4P
2) Trilobular cross-section
Countersink must be designed according to the corresponding standard!
A technical brochure is available on request.
Headform Countersunk head
Drive Hexalobular socket
Thread fully threaded
Material execution case-hardened
Surface zinc plated blue, added lubricant
Hardness 450-560 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.