M8-1.25 x 40mm Class 10.9 Hex Cap Screw DIN 931 Partial Thread

Partially threaded, this metric thread Class 10 bolt is made from medium carbon alloy steel and is most similar (but not exact) to U.S. Standard Grade 8 cap screws. These shall be heat treated by quenching in oil from above the transformation temperature and reheating to a tempering temperature pf 425 degrees (C). Proof Load is a minimum of 940 square N/mm with a tensile strength of a minimum of 1040 square N/mm. MCS840CPZ109