Class 10.9 metric hex bolts deliver high tensile strength and are offered in coarse, fine, and extra-fine thread pitches. Available in DIN 933/961 full-thread and DIN 931/960 partial-thread formats, including rare sizes such as M12Ć1.0 and M9Ć1.25. These hardened steel bolts provide durable, long-term fastening performance in demanding mechanical assemblies.