i Technical information Marking INOX M10x1,25 -6HX -LH DIN-371 C R40 HSSE IKR HL destination size of thread class of thread thread direction standard symbol chamfer spiral flutes symbol material of blade internal cooling coating symbol Stamping class of thread thread direction size of thread producer destination production year order number INOX M10x1,25-6H-LH FANAR 123456 C R 40 HSSE IKR chamfer spiral flutes direction spiral flutes angle material of blade internal cooling 12 290