CSN 21728

Dimensions for CSN 21728 - Washers with square holes for use in timber constructions

d* d1 d2 h a
M5 5.5 18 2 5.5
M6 6.6 22 2 6.6
M8 9 28 3 9
M10 11 34 3 11
M12 14 44 4 14
M16 18 56 5 18
M20 22 72 6 22
M22 24 80 6 24
Thread d p c da dw e m mw s
non-preferred threads max min max min min min max min min nominal = max min
M3.5 0.6 0.40 0.15 4.00 3.50 5.00 6.58 2.80 2.55 2.00 6.00 5.82
M14 2 0.60 0.15 15.10 14.00 19.60 23.36 12.80 12.10 9.70 21.00 20.67
M18 2.5 0.80 0.20 19.50 18.00 24.90 29.56 15.80 15.10 12.10 27.00 26.16
M22 2.5 0.80 0.20 23.70 22.00 31.40 37.29 19.40 18.10 14.50 34.00 33.00
M27 3 0.80 0.20 29.10 27.00 38.00 45.20 23.80 22.50 18.00 41.00 40.00
M33 3.5 0.80 0.20 35.60 33.00 46.60 55.37 28.70 27.40 21.90 50.00 49.00
M39 4 1.00 0.30 42.10 39.00 55.90 66.44 33.40 31.80 25.40 60.00 58.80
M45 4.5 1.00 0.30 48.60 45.00 64.70 76.95 36.00 34.40 27.50 70.00 68.10
M52 5 1.00 0.30 56.20 52.00 74.20 88.25 42.00 40.40 32.30 80.00 78.10
M60 5.5 1.00 0.30 64.80 60.00 83.40 99.21 48.00 46.40 37.10 90.00 87.80