Size: φ6-φ36
Grade:4.8,8.8

Specifications | φ3.2 | φ3.7 | φ4.3 | φ5.3 | φ6.4 | φ7.4 | φ8.4 | φ10.5 | φ13 | φ15 | φ17 | |
M | Corresponding bolt | M3 | M3.5 | M4 | M5 | M6 | M7 | M8 | M10 | M12 | M14 | M16 |
d | Minimum | 3.2 | 3.7 | 4.3 | 5.3 | 6.4 | 7.4 | 8.4 | 10.5 | 13 | 15 | 17 |
Maximum value | 3.38 | 3.88 | 4.48 | 5.48 | 6.62 | 7.62 | 8.62 | 10.77 | 13.27 | 15.27 | 17.27 | |
dс | Maximum value | 7 | 8 | 9 | 10 | 12 | 14 | 16 | 20 | 24 | 28 | 30 |
Minimum | 6.64 | 7.64 | 8.64 | 9.64 | 11.57 | 13.57 | 15.57 | 19.48 | 23.48 | 27.48 | 29.48 | |
h | nominal | 0.5 | 0.5 | 0.8 | 1 | 1.6 | 1.6 | 1.6 | 2 | 2.5 | 2.5 | 3 |
Maximum value | 0.55 | 0.55 | 0.9 | 1.11 | 1.8 | 1.8 | 1.8 | 2.2 | 2.7 | 2.7 | 3.3 | |
Minimum | 0.45 | 0.45 | 0.7 | 0.9 | 1.4 | 1.4 | 1.4 | 1.8 | 2.3 | 2.3 | 2.7 | |
Weight/mpcs(kg) | 0.119 | 0.155 | 0.308 | 0.443 | 1.02 | 1.39 | 1.83 | 3.57 | 6.27 | 8.62 | 11.3 | |
Specifications | φ19 | φ21 | φ23 | φ25 | φ27 | φ28 | φ29 | φ31 | φ33 | φ34 | φ36 | |
M | Corresponding bolt | M18 | M20 | M22 | M24 | M26 | M27 | M28 | M30 | M32 | M33 | M35 |
d | Minimum | 19 | 21 | 23 | 25 | 27 | 28 | 29 | 31 | 33 | 34 | 36 |
Maximum value | 19.33 | 21.33 | 23.33 | 25.33 | 27.33 | 28.33 | 29.33 | 31.39 | 33.62 | 34.62 | 36.62 | |
dс | Maximum value | 34 | 37 | 39 | 44 | 50 | 50 | 50 | 56 | 60 | 60 | 66 |
Minimum | 33.38 | 36.38 | 38.38 | 43.38 | 49.38 | 49.38 | 49.38 | 55.26 | 58.8 | 58.8 | 64.8 | |
h | nominal | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |
Maximum value | 3.3 | 3.3 | 3.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 5.6 | 5.6 | 5.6 | |
Minimum | 2.7 | 2.7 | 2.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 4.4 | 4.4 | 4.4 | |
Weight/mpcs(kg) | 14.7 | 17.2 | 18.3 | 32.3 | 43.7 | 42.3 | 40.9 | 53.6 | 77.4 | 75.3 | 94.3 | |


It has excellent insulation properties, non-magnetic, heat insulation, and light weight. The plastic gaskets of individual materials also have high temperature resistance, high strength, and corrosion resistance. Some products have anti-drop function and are widely used in various industrial fields.


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