OST 1 11491-74 Wing nuts.Corresponds to the standard 1414S49.
OST 1 11491-74 nuts are fasteners, which are a cylindrical rod with an internal hole and thread, and two flat washers at the edges with holes, they are used to fasten metal structures using bolts (pins). Used together with bolts (studs, welded threaded rods).
Description of the product design and its features
The nut design consists of a cylindrical rod and an internal threaded hole , and two flat ears with holes.
Material: steel grade 25.
Nuts are coated with zinc, chromium, nickel, cadmium, etc. in our own galvanic workshop. A multilayer coating is also available, for example, copper-nickel (M.N.) or copper-nickel-chromium (M.N.X.6).
OST 1 11491-74.pdf
An example of the name and designation of a wing nut with an M6 thread, made of steel 25, coated with CD.fos.ox:
Example of designation: Nut 6-Cd.fos. ox – OST 1 11491-74
The same, made of steel 25, with Ts.phos.ox coating:
Example of designation: Nut 6-Ts.fos.ox – OST 1 11491-74
These nuts are used in many industries. Increased demand for products, in particular, is observed in the aircraft and machine-building industries, as well as in construction, energy and metalworking, where they are used for reliable fastening of parts and metal structures.
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