Axial Strength and Mating Screw Recommended Tightening Torque for PEM Brand Self-clinching Nuts

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Kimberly Chandler
5 years ago
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1 Brand S Nuts - Unified S-256-0ZI S-256-1ZI S-256-2ZI S-348-0ZI S-348-1ZI S-348-2ZI S-440-0ZI S-440-1ZI S-440-2ZI S-440-3ZI S-632-0ZI S-632-1ZI S-632-2ZI S-632-3ZI S-832-0ZI S-832-1ZI S-832-2ZI S-832-3ZI SS-024-0ZI SS-024-1ZI SS-024-2ZI SS-024-3ZI SS-032-0ZI SS-032-1ZI SS-032-2ZI SS-032-3ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI S ZI Published performance values are for general reference only. Specifications may change without notice. Testing of these products in your specific application is highly recommended. We will be happy to provide technical assistance and/or samples for this purpose. We will not be responsible for any loss, claims or damages arising out of the use or application of this information PennEngineering

2 Brand CLS Nuts - Unified CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLSS CLSS CLSS CLSS CLSS CLSS CLSS CLSS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS Published performance values are for general reference only. Specifications may change without notice. Testing of these products in your specific application is highly recommended. We will be happy to provide technical assistance and/or samples for this purpose. We will not be responsible for any loss, claims or damages arising out of the use or application of this information PennEngineering

3 Brand SP Nuts - Unified SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP Published performance values are for general reference only. Specifications may change without notice. Testing of these products in your specific application is highly recommended. We will be happy to provide technical assistance and/or samples for this purpose. We will not be responsible for any loss, claims or damages arising out of the use or application of this information PennEngineering

4 Brand CLA Nuts - Unified w/180 ksi Develop Min. Aluminum Steel Stainless Steel Steel Steel Screw, lb Axial, ksi 2024-T4 Grade 2 ASTM F593C Grade 5 Grade ksi CLA CLA CLA CLA CLA CLA CLA CLA CLA CLA CLA CLA CLA CLA CLA

5 Brand SH, HNL and H Nuts - Unified SH X SH X SH X SH X SH X HNL-0420-LZ HNL-0518-LZ HNL-0616-LZ H-0616-ZI

6 Brand SMP Nuts - Unified SMPS SMPP SMPS SMPP SMPS SMPP

7 Table I Material Properties for Selected Strength Levels of Mating Screws UNIFIED Unified Units Metric Units Industry Material Strength, ksi Yield/Tensile Material Strength, MPa Standard Designation Ultimate Yield Ratio Ultimate Yield SAE J429 Grade ASTM 593 Grade C SAE J429 Grade SAE J429 Grade ASTM A574 (see note 3) METRIC ISO Property Class ISO Property Class ISO 3506 A ISO Property Class ISO Property Class ISO Property Class ISO Property Class Table II Material Properties Brand Unified Units Metric Units Nut Nuts Using Material Strength, ksi Yield/Tensile Material Strength, MPa Material This Material Ultimate Yield Ratio Ultimate Yield HNL Not Heat Treated Steel S, SS, H Standard Heat Treat SH Special Heat Treat Stainless CLS, CLSS, SMPS 300 Series Steel SP, SMPP A286 Age Hardened Aluminum CLA 2024-T Notes: 1) Other industry standards exist which define the same or similar strength levels. 2) Values in blue are conversions using 1 MPa= psi. 3) Minimum yield adjusted up to 162 ksi (90% of 180 ksi) from the 153 ksi required by ASTM A574.

Axial Strength and Mating Screw Recommended Tightening Torque for PEM Brand Self-clinching Nuts

Axial Strength and Mating Screw Recommended Tightening Torque for PEM Brand Self-clinching Nuts Brand S Nuts - Metric Mating Screw Recommended Tightening Torque, (N m) S-M2-0ZI 2.53 1220 0.15 0.19 0.28 0.40 0.45 0.59 0.68 S-M2-1ZI 2.53 1220 0.15 0.19 0.28 0.40 0.45 0.59 0.68 S-M2-2ZI 2.53 1220 0.15