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 4.4-5.6 4.4-5.6 5.4-6.6 Dimensions of Bolt Face Washers (HB) Size (d) M12 M16 M20 M22 M24 M27 M30 M36 Internal diameter (d1) 13-13.27 17-17.27 21-21.33 23-23.
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Load curve graph for DTI for test compression loads at 0.40mm gap For use with bolts Compression load (kN) diameter Designation H8 Designation H10 M12 47-56 59-71 M16 88-106 110-132 M20 137-164 172-206 M22 170-204 212-254 M24 198-238 247-296 M27 257-308 321-385 M30 314-377 393-472 M36 458-550 572-688 Compressible washer-type direct tension indicator according to BS EN 14399-9:2018, Table 4. DownloadPDF
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Direct Tension Indicators Washer – dimensions Dimensions of compressible washer-type direct tension indicator according to BS EN 14399-9:2018, Table 2. Size bolt diameter Internal diameter d1 External diameter d2 Thickness h1 Height over protrusion h2 Height of protrusions h3 Protrusion tangential diameter d3 Protrusion internal diameter d4 min max min max min max min max min M12 12,75 12,85 26,0 32,5 2,5 5,5 0,8 20,0 13,85 M16 16,75 16,85 35,0 36,8 3,0 6,0 0,8 25,0 17,85 M20 20,95 21,05 41,0 46,0 3,5 6,5 0,8 29,0 22,05 M22 23,05 23,15 46,5 50,6 4,0 7,0 0,8 33,0 24,15 M24 25,15 25,25 50,0 55,2 4,0 7,0 0,8 38,0 26,25 M27 28,30 28,40 54,0 62,1 4,0 7,0 0,8 43,0 29,40 M30 31,45 31,55 59,0 69,0 4,0 7,0 0,8 46,5 32,55 M36 37,75 37,85 78,0 83,0 4,0 7,5 0,8 56,0 38,85 Dimensions in millimetres DownloadPDF
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Content with EN 14399-9:2018