Hexalobular (6 Lobe) socket cheese head frame screws
Drive Hexalobular socket
Thread fully threaded
Material execution case-hardened
Surface zinc plated blue, added lubricant
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.