FIELD: fasteners.
SUBSTANCE: invention relates to fasteners and can be used in assembling machines, mechanisms and various metal structures. Peculiarity of the invention consists in that the set of washers is represented by at least two washers with thrust ledges arranged in a circumferential direction with constant intervals and holes for the fastening screws bodies, wherein the washers and thrust ledges of the washers are hexagonal shape corresponding to standard sizes of wrenches, wherein the thrust ledges form a skirt with the possibility of accommodating a washer or a hexagonal screw head of a smaller standard size inside the skirt, wherein the holes of the washers under the fastening screws are coaxial.
EFFECT: technical result is possibility of tightening bolted connection with wrench of different sizes.
1 cl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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