GB/T6172.1 Stainless Steel Hexagon Thin Nuts it is generally used as a reinforcement in the use of double nuts and is designed to prevent nut loosening.One stop service for supply all kinds of stainless steel nuts,bolts and screws,titanium products and stainless steel screws also.
GB/T6172.1 Stainless Steel Hexagon Thin Nuts Dimensions as below:
M1.6-M20 SS thin nuts sizes
d | P | da | dw | e | m | mw | s | |||
pitch | max | min | min | min | max | min | min | max=DK | min | |
M1.6 | 0.35 | 1.84 | 1.60 | 2.40 | 3.41 | 1 | 0.75 | 0.60 | 3.2 | 3.02 |
M2 | 0.4 | 2.30 | 2.00 | 3.10 | 4.32 | 1.2 | 0.95 | 0.80 | 4 | 3.82 |
M2.5 | 0.45 | 2.90 | 2.50 | 4.1 | 5.45 | 1.6 | 1.35 | 1.10 | 5 | 4.82 |
M3 | 0.5 | 3.45 | 3.00 | 4.60 | 6.01 | 1.8 | 1.55 | 1.20 | 5.5 | 5.32 |
（M3.5） | 0.6 | 4.00 | 3.5 | 5.10 | 6.58 | 2 | 1.75 | 1.40 | 6 | 5.82 |
M4 | 0.7 | 4.60 | 4.00 | 5.90 | 7.66 | 2.2 | 1.95 | 1.60 | 7 | 6.78 |
M5 | 0.8 | 5.75 | 5.00 | 6.90 | 8.79 | 2.7 | 2.45 | 2.00 | 8 | 7.78 |
M6 | 1 | 6.75 | 6.00 | 8.90 | 11.05 | 3.2 | 2.9 | 2.3 | 10 | 9.78 |
M8 | 1.25 | 8.75 | 8.00 | 11.60 | 14.38 | 4 | 3.7 | 3.0 | 13 | 12.73 |
M10 | 1.5 | 10.80 | 10.00 | 14.60 | 17.77 | 5 | 4.7 | 3.8 | 16 | 15.73 |
M12 | 1.75 | 13.00 | 12.00 | 16.60 | 20.03 | 6 | 5.7 | 4.6 | 18 | 17.73 |
（M14） | 2 | 15.10 | 14.00 | 19.60 | 23.36 | 7 | 6.42 | 5.10 | 21 | 20.67 |
M16 | 2 | 17.30 | 16.00 | 22.50 | 26.75 | 8 | 7.42 | 5.90 | 24 | 23.67 |
（M18） | 2.5 | 19.50 | 18.00 | 24.90 | 29.56 | 9 | 8.42 | 6.70 | 27 | 26.16 |
M20 | 2.5 | 21.60 | 20.00 | 27.70 | 32.95 | 10 | 9.1 | 7.30 | 30 | 29.16 |
M22-M64 stainless steel nuts ss thin nuts sizes
d | P | da | dw | e | m | mw | s | |||
pitch | max | min | min | min | max | min | min | max=DK | min | |
（M22） | 2.5 | 23.70 | 22.00 | 31.40 | 37.29 | 11 | 9.9 | 7.90 | 34 | 33 |
M24 | 3 | 25.90 | 24.00 | 33.20 | 39.55 | 12 | 10.9 | 8.70 | 36 | 35 |
（M27） | 3 | 29.10 | 27.00 | 38.00 | 45.2 | 13.5 | 12.4 | 9.90 | 41 | 40 |
M30 | 3.5 | 32.40 | 30.00 | 42.80 | 50.85 | 15 | 13.9 | 11.10 | 46 | 45 |
（M33） | 3.5 | 35.60 | 33.00 | 46.60 | 55.37 | 16.5 | 15.4 | 12.30 | 50 | 49 |
M36 | 4 | 38.90 | 36.00 | 51.10 | 60.79 | 18 | 16.9 | 13.50 | 55 | 53.8 |
（M39） | 4 | 42.10 | 39.00 | 55.90 | 66.44 | 19.5 | 18.2 | 14.60 | 60 | 58.8 |
M42 | 4.5 | 45.40 | 42.00 | 60.00 | 71.3 | 21 | 19.7 | 15.80 | 65 | 63.1 |
（M45） | 4.5 | 48.60 | 45.00 | 64.70 | 76.95 | 22.5 | 21.2 | 17.00 | 70 | 68.1 |
M48 | 5 | 51.80 | 48.00 | 69.50 | 82.6 | 24 | 22.7 | 18.20 | 75 | 73.1 |
（M52） | 5 | 56.20 | 52.00 | 74.20 | 88.25 | 26 | 24.7 | 19.80 | 80 | 78.1 |
M56 | 5.5 | 60.50 | 56.00 | 78.70 | 93.56 | 28 | 26.7 | 21.40 | 85 | 82.8 |
（M60） | 5.5 | 64.80 | 60.00 | 83.40 | 99.21 | 30 | 28.7 | 23.00 | 90 | 87.8 |
M64 | 6 | 69.10 | 64.00 | 88.20 | 104.86 | 32 | 30.4 | 24.30 | 95 | 92.8 |
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