Hexagon Stud Connectors, also called Coupling Nut, are made based on withdrawn DIN 6334 standard. D s e m M6 10 11.05 18 M8 13 14.38 24 M10 17 18.90 30 M12 19 21.10 36 M14 22 24.49 42 M16 24 26.75 48 M18 27 29.56 54 M20 30 33.53 60 M22 32 35.03 66 M24 36 41.60 72 M27 41 45.20 81 M30 46 50.89 90 M33 50 55.
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Chemical Composition As per DIN 267-4 Class C max. Mn min. P max. S max. 4, 5 and 6 0.50 - 0.110 0.150 8 0.58 0.30 0.060 0.150 10 0.58 0.30 0.048 0.058 12 0.58 0.45 0.048 0.058 Mechanical Properties As per DIN 267-4 Property Class 4 Class 5 Class 6 Class 8 Class 10 Class 12 Proof load stress (N/mm^2) 400 500 600 800 1000 1200 Symbol |4| |5| |6| |8| |10| |12| Hardness Vickers HV5
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Selected small sizes Dimension (d) M4 M5 M6 M8 M10 Thread pitch (pa) 0.7 0.8 1 1.25 1.5 m 2.9-3.2 3.7-4 4.7-5 6.14-6.5 7.64-8 dw (min) 5.8 6.8 8.8 11.3 15.3 s 6.78-7 7.78-8 9.78-10 12.73-13 16.73-17 e (min) 7.66 8.79 11.05 14.38 18.9 Selected standard sizes Dimension (d) M12 M16 M20 M22 M24 M27 M30 M33 M36 Thread pitch (pa) 1.75 2 2.5 2.5 3 3 3.5 3.5 4 m 9.
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BS EN 14399-3 Hexagon bolting assemblies for preloading (HR) Previously known as High Strength Friction Grip (HSFG) We are a manufacturer of UKCA & CE Marked pre-loaded fasteners to BS EN 14399. In our facility in Leeds, we can UKCA & CE Approve – assembly test to BS EN 14399-2 HR Assemblies from M12 to M36 up to grade 10.9. We are regularly independently assessed by Lloyd’s Register / LRQA, to make sure, that our company is fully compliant with BS EN 14399 requirements.
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Content with Hexagon nuts