Selected sizes used for CE (UKCA) marked BS EN 15048 Non-preloaded structural bolting assemblies 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 10.37-10.80 14.10-14.80 16.90-18.00 18.10-19.40 20.20-21.50 22.50-23.80 24.30-25.60 27.40-28.70 29.40-31.00 dw (min) 16.63 22.49 27.70 31.35 33.25 38.00 42.75 46.55 51.11 s 17.73-18.00 23.67-24.00 29.16-30.00 33.00-34.00 35.00-36.00 40.00-41.00 45.00-46.00 49.00-50.00 53.80-55.00 e (min) 20.
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ISO 898-2:2022 Fasteners - Mechanical properties of fasteners made of carbon steel and alloy steel – Part 2: Nuts with specified property classes Chemical composition as per ISO 898-2:2022 for typical grades Class Material and Treatment C Mn min. P max. S max. 8 (M16 and below) carbon steel NOT quenched and tempered (NQT) 0.06-0.58 0.25 0.060 0.150 8 carbon steel quenched and tempered (QT) 0.15-0.58 0.45 0.048 0.058 10 carbon steel quenched and tempered (QT) 0.
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Structural bolting assemblies (SB) We are a manufacturer of UKCA & CE Marked non-preloaded hexagon bolt assemblies from M12 to M36, grade 8.8 and 10.9. Andrews Fasteners Limited can manufacture and assembly test to EN 15048-2 requirements , in various grades and coatings . Description Specification Size range Hexagon Set Screw (fully threaded bolt) EN ISO 4017 EN ISO 4018 M12–M36 Hexagon Bolt (part threaded) EN ISO 4014 EN ISO 4016 M12–M36 Hexagon Nut (Regular Nuts, fullnut) EN ISO 4032 EN ISO 4033 M12–M36 Washers (Plain, Flat) min.
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Content with ISO 4032