Transcription of FASTENER REFERENCE GUIDE
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9700434 FRG Poster Printed in ProPerties of Metric externally threaded fasteners (iso 898-1)Metric Property ClassTypical MaterialSize Range (mm)Proof Strength(MPa)Min. Yield Strength(MPa)Min. Tensile Strength(MPa)Core Hardness RockwellGrade Identification or medium carbon - M39225240400 (58,000 PSI) carbon steel: quenched & - M16580640800 (116,000 PSI)C22C32M18 - M39600660830 (120,000 PSI) steel: quenched & - M398309401040 (150,800 PSI) steel: quenched & - M3997011001220 (177,000 PSI) ProPerties of coMMon stainless steel fasteners in accordance with astM f593 Stainless Alloy GroupConditionNominal Dia.
2. Galvanized nuts are intended for use with externally threaded fasteners that are hot-dip or mechanically galvanized or have a coating of sufficient thickness to require over-tapping of the nut to provide assembly. 3. ASTM A194 2H heavy hex nuts may be substituted for ASTM A563 DH heavy hex nuts. 4.
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