DIN 125

Flat washer - Normal series

With a hardness upto 300HV
Designed for use with hexagon head bolts and nuts
Form A - Without Chamfer
Form B - With Chamfer

tech-din125




Size Φ1.7 Φ1.8 Φ2.2 Φ2.5
M For thread size M1.6 M1.7 M2 M2.3
d min=nominal size 1.7 1.8 2.2 2.5
max 1.84 1.94 2.34 2.64
dc max=nominal size 4 4.5 5 6
min 3.7 4.2 4.7 5.7
h Nominal Size 0.3 0.3 0.3 0.5
max 0.35 0.35 0.35 0.55
min 0.25 0.25 0.25 0.45
da max 2 2.1 2.6 2.9
min 1.8 1.9 2.4 2.7
r ≈ 0.15 0.15 0.15 0.2
per 1000 units ≈ kg 0.024 0.031 0.037 0.092

Size Φ2.7 Φ2.8 Φ3.2
M For thread size M2.5 M2.6 M3
d min=nominal size 2.7 2.8 3.2
max 2.84 2.94 3.38
dc max=nominal size 6 7 7
min 5.7 6.64 6.64
h Nominal Size 0.5 0.5 0.5
max 0.55 0.55 0.55
min 0.45 0.45 0.45
da max 3.1 3.2 3.6
min 2.9 3 3.4
r ≈ 0.2 0.2 0.2
per 1000 units ≈ kg 0.088 0.127 0.119

Size Φ3.7 Φ4.3 Φ5.3
M For thread size M3.5 M4 M5
d min=nominal size 3.7 4.3 5.3
max 3.88 4.48 5.48
dc max=nominal size 8 9 10
min 7.64 8.64 9.64
h Nominal Size 0.5 0.8 1
max 0.55 0.9 1.1
min 0.45 0.7 0.9
da max 4.1 4.7 5.7
min 3.9 4.5 5.5
r ≈ 0.2 0.2 0.2
per 1000 units ≈ kg 0.155 0.308 0.443

Size Φ6.4 Φ7.4 Φ8.4
M For thread size M6 M7 M8
d min=nominal size 6.4 7.4 8.4
max 6.62 7.62 8.62
dc max=nominal size 12 14 16
min 11.57 13.57 15.57
h Nominal Size 1.6 1.6 1.6
max 1.8 1.8 1.8
min 1.4 1.4 1.4
da max 6.8 7.8 9.2
min 6.6 7.6 9
r ≈ 0.2 0.2 0.4
per 1000 units ≈ kg 1.02 1.39 1.83

Size Φ10.5 Φ13 Φ15
M For thread size M10 M12 M14
d min=nominal size 10.5 13 15
max 10.77 13.27 15.27
dc max=nominal size 20 24 28
min 19.48 23.48 27.48
h Nominal Size 2 2.5 2.5
max 2.2 2.7 2.7
min 1.8 2.3 2.3
da max 11.2 13.7 15.7
min 11 13.5 15.5
r ≈ 0.4 0.4 0.4
per 1000 units ≈ kg 3.57 6.27 8.62

Size Φ17 Φ19 Φ21
M For thread size M16 M18 M20
d min=nominal size 17 19 21
max 17.27 19.33 21.33
dc max=nominal size 30 34 37
min 29.48 33.38 36.38
h Nominal Size 3 3 3
max 3.3 3.3 3.3
min 2.7 2.7 2.7
da max 17.7 20.2 22.4
min 17.5 20 22
r ≈ 0.4 0.6 0.7
per 1000 units ≈ kg 11.3 14.7 17.2

Size Φ23 Φ25 Φ27
M For thread size M22 M24 M26
d min=nominal size 23 25 27
max 23.33 25.33 27.33
dc max=nominal size 39 44 50
min 38.38 43.38 49.38
h Nominal Size 3 4 4
max 3.3 4.3 4.3
min 2.7 3.7 3.7
da max 24.4 26.4 28.4
min 24 26 28
r ≈ 0.7 0.7 0.7
per 1000 units ≈ kg 18.3 32.3 43.7

Size Φ28 Φ29 Φ31
M For thread size M27 M28 M30
d min=nominal size 28 29 31
max 28.33 29.33 31.39
dc max=nominal size 50 50 56
min 49.38 49.38 55.26
h Nominal Size 4 4 4
max 4.3 4.3 4.3
min 3.7 3.7 3.7
da max 30.4 31.4 33.4
min 30 31 33
r ≈ 1.2 1.2 1.2
per 1000 units ≈ kg 42.3 40.9 53.6

Size Φ33 Φ34 Φ36
M For thread size M32 M33 M35
d min=nominal size 33 34 36
max 33.62 34.62 36.62
dc max=nominal size 60 60 66
min 58.8 58.8 64.8
h Nominal Size 5 5 5
max 5.6 5.6 5.6
min 4.4 4.4 4.4
da max 35.4 36.4 38.4
min 35 36 38
r ≈ 1.2 1.2 1.2
per 1000 units ≈ kg 77.4 75.3 94.3

Size Φ37 Φ39 Φ40
M For thread size M36 M38 M39
d min=nominal size 37 39 40
max 37.62 39.62 40.62
dc max=nominal size 66 72 72
min 64.8 70.8 70.8
h Nominal Size 5 6 6
max 5.6 6.6 6.6
min 4.4 5.4 5.4
da max 39.4 41.4 42.4
min 39 41 42
r ≈ 1.2 1.2 1.2
per 1000 units ≈ kg 92.1 136 133

Size Φ41 Φ43 Φ46
M For thread size M40 M42 M45
d min=nominal size 41 43 46
max 41.62 43.62 46.62
dc max=nominal size 72 78 85
min 70.8 76.8 83.6
h Nominal Size 6 7 7
max 6.6 8 8
min 5.4 6 6
da max 43.6 45.6 48.6
min 43 45 48
r ≈ 1.3 1.3 1.3
per 1000 units ≈ kg 130 183 220

Size Φ50 Φ52 Φ54
M For thread size M48 M50 M52
d min=nominal size 50 52 54
max 50.62 52.74 54.74
dc max=nominal size 92 92 98
min 90.6 90.6 96.6
h Nominal Size 8 8 8
max 9 9 9
min 7 7 7
da max 52.6 54.6 56.6
min 52 54 56
r ≈ 1.3 1.3 1.3
per 1000 units ≈ kg 294 284 330

Size Φ57 Φ58 Φ60
M For thread size M55 M56 M58
d min=nominal size 57 58 60
max 57.74 58.74 60.74
dc max=nominal size 105 105 110
min 103.6 103.6 108.6
h Nominal Size 9 9 9
max 10 10 10
min 8 8 8
da max 60 63 65
min 59 62 64
r ≈ 1.5 2.5 2.5
per 1000 units ≈ kg 431 425 472

Size Φ62 Φ66 Φ70
M For thread size M60 M64 M68
d min=nominal size 62 66 70
max 62.74 66.74 70.74
dc max=nominal size 110 115 120
min 108.6 113.6 118.6
h Nominal Size 9 9 10
max 10 10 11
min 8 8 9
da max 67 71 75
min 66 70 74
r ≈ 2.5 2.5 2.5
per 1000 units ≈ kg 458 492 586

Size Φ74 Φ78 Φ82
M For thread size M72 M76 M80
d min=nominal size 74 78 82
max 74.74 78.74 82.87
dc max=nominal size 125 135 140
min 123.4 133.4 138.4
h Nominal Size 10 10 12
max 11 11 13.2
min 9 9 10.8
da max 79 83 87
min 78 82 86
r ≈ 2.5 2.5 2.5
per 1000 units ≈ kg 626 749 953

Size Φ87 Φ93 Φ98
M For thread size M85 M90 M95
d min=nominal size 87 93 98
max 87.87 93.87 98.87
dc max=nominal size 145 160 165
min 143.4 158.4 163.4
h Nominal Size 12 12 12
max 13.2 13.2 13.2
min 10.8 10.8 10.8
da max 92 97 102
min 91 96 101
r ≈ 2.5 2 2
per 1000 units ≈ kg 996 1250 1300

Size Φ104 Φ109 Φ114
M For thread size M100 M105 M110
d min=nominal size 104 109 114
max 104.87 109.87 114.87
dc max=nominal size 175 180 185
min 173.4 178.4 183.15
h Nominal Size 14 14 14
max 15.2 15.2 15.2
min 12.8 12.8 12.8
da max 108 113 118
min 107 112 117
r ≈ 2 2 2
per 1000 units ≈ kg 1710 1770 1830

Size Φ119 Φ124 Φ129
M For thread size M115 M120 M125
d min=nominal size 119 124 129
max 119.87 125 130
dc max=nominal size 200 210 220
min 198.15* 208.15 218.15
h Nominal Size 14 16 16
max 15.2 17.2 17.2
min 12.8 14.8 14.8
da max 123 128 133
min 122 127 132
r ≈ 2 2 2
per 1000 units ≈ kg 2230 2830 3130

Size Φ134 Φ139 Φ144
M For thread size M130 M135 M140
d min=nominal size 134 139 144
max 135 140 145
dc max=nominal size 220 230 240
min 218.15 228.15 238.15
h Nominal Size 16 16 18
max 17.2 17.2 19.2
min 14.8 14.8 16.8
da max 138 143 148
min 137 142 147
r ≈ 2 2 2
per 1000 units ≈ kg 3000 3310 4090

Size Φ149 Φ155 Φ165
M For thread size M145 M150 M160
d min=nominal size 149 155 165
max 150 156 166
dc max=nominal size 250 250 250
min 248.15 248.15 248.15
h Nominal Size 18 18 18
max 19.2 19.2 19.2
min 16.8 16.8 16.8
da max 153 159 169
min 152 158 168
r ≈ 2 2 2
per 1000 units ≈ kg 4470 4270 3910



Rows da and r Only for Form B


All information is strictly informative