Bolts for Marine and Boat Use-M20-2.5 x 50mm Class 10.9 Hex Cap Screw DIN 933 Full Thread
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Fully 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. MCS2050CFZ109
