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Hexagon nut M12

~ ISO 4032 (standard thread)
Hydrogen embrittlement (risk of brittle fracture) cannot be ruled out in the case of galvanic coatings on high-strength parts with a tensile strength from 1,000 N/mm² (e.g. 10.9, 12.9) and spring-hard parts with a hardness from 320 HV!

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