M16 bolt for flail mower blades (flail blade H-AG, nut M16) with thread pitch 2.00 and a total length of 110 mm for flail mowers by 4FARMER, series AG 4FARMER and others.
The correct choice of bolt in terms of strength must be made before assembly, because the shape of the bolt and its technical parameters can have a direct impact on the safety and durability of the connection. We distinguish 3 accuracy grades of bolt manufacture, i.e. A, B and C, and 10 strength classes (measured in megapascals): 3.6, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9, where the first digit indicates the tensile strength limit and the second the yield strength relative to the first value (as a percentage). The higher the values, the greater the strength of the bolt, so 3.6 is the lowest quality bolt (low-carbon steel) and 12.9 is the highest strength class (low-alloy steel).
M16x100 screw - hardness 8.8.
Screws used to fasten knives and flails in AG mowers.
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