Content with basic dimensions

23 November 2016
Nut face washers and bolt face washers – basic dimensions According to EN 14399-9:2018 Dimensions of nut face washers (HN) Size (d) M12 M16 M20 M22 M24 M27 M30 M36 Internal diameter (d1) 12.1-12.35 16.1-16.35 20.1-20.40 22.3-22.60 24.2-24.50 27.2-27.55 30.2-30.55 36.2-36.55 External diameter (d2) 22.7-24 27.7-29 34.4-36 37.4-39 41.4-43 46.4-48 50.1-52 60.1-62 Thickness (h) 2.7-4.3 3.7-4.3 3.7-4.3 3.7-4.3 3.7-4.3 4.
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27 April 2016
BS 7419 Holding down bolts – Basic dimensions Dimensions from most preferred sizes Dimensions (d) M16 M20 M24 M30 M36 b 116-122 120-127.5 124-133 130-140.5 136-148 ds 15.3-16.7 19.16-20.84 23.16-24.84 29.16-30.84 35-37 k (nom) 10 12.5 15 17.7 22.5 k 9.25-10.75 11.6-13.4 14.1-15.9 17.65-19.75 21.45-23.55 s 23.16-24 29.16-30 35-36 45-46 53.8-55 f (nom) 8 10 12 15 18 f 7.
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27 April 2016
ISO 7091 Plain washers – Basic dimensions Selected sizes used for CE (UKCA) Marking under BS EN 15048 Diameter (d) M12 M16 M20 M22 M24 M27 M30 M33 M36 d1 13.50-13.93 17.50-17.93 22.00-22.52 24.00-24.52 26.00-26.52 30.00-30.52 33.00-33.62 36.00-37.00 39.00-40.00 d2 22.7-24.0 28.7-30.0 35.4-37.0 37.4-39.0 42.4-44.0 48.4-50.0 54.1-56.0 58.1-60.0 64.1-66.0 h (nom) 2.5 3 3 3 4 4 4 5 5 h 2.
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27 April 2016
ISO 4017 Hexagon head screws – Basic dimensions Selected sizes used for CE (UKCA) Marking under BS EN 15048 Diameter (d) M12 M16 M20 M22 M24 M27 M30 M33 M36 Thread pitch (P) 1.75 2 2.5 2.5 3 3 3.5 3.5 4 k (nom) 7.5 10 12.5 14 15 17 18.7 21 22.5 k (Grade A) 7.32-7.68 9.82-10.18 12.285-12.715 13.
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