ettinger fasteners Germany ettinger models ettinger prices

ettinger fasteners feature internal threaded holes and are generally shaped as flat hexagonal prisms, though flat square prisms or flat cylindrical shapes are also available. They are used in conjunction with bolts, studs, or machine screws to securely connect two components into a single assembly. Nuts operate by using the friction between the nut and bolt to achieve self-locking. However, the reliability of this self-locking decreases under dynamic loads. In critical applications, anti-loosening measures are implemented to ensure reliable nut locking. As an essential component for all manufacturing machinery, they are categorized by material into carbon steel, stainless steel, and non-ferrous metals (such as copper). Each segment features interlocking cams; due to the internal wedge design having a slope angle greater than the thread angle of the bolt, this combination locks tightly into a single unit. When vibration occurs, it generates lifting tension.

ettinger fastener applications

Locking straight-thread external connectors or other fittings. Nuts operate by using the friction between the nut and bolt to achieve self-locking. However, the reliability of this self-locking decreases under dynamic loads. In critical applications, anti-loosening measures are implemented to ensure reliable nut locking. Specialized lock nuts are not hexagonal nuts but rather round nuts. The circumference of the nut features 3, 4, 6, or 8 slots (varying by nut size and manufacturer product series). These slots serve both as engagement points for tightening tools and as locking positions for anti-loosening washers. A third type involves drilling through-holes with threads from the outer cylindrical surface to the inner threaded surface (typically 2 holes, arranged in a 96 distribution on the outer surface) to accept small-diameter countersunk screws. This applies a radial force to the threads to prevent the lock nut from loosening.

ettinger fastener standards

Product dimension standards: Specifically define basic product dimensions; for threaded products, this includes basic thread dimensions, thread run-out, shoulder distance, undercuts, chamfers, and end dimensions of external thread components. Standards for technical conditions of fastener products: Primarily include standards for product tolerances, mechanical properties, surface defects, surface treatments, and product testing, along with corresponding specific regulations. Standards for marking standard parts, fasteners, bolts, and screws: Specifically define complete and simplified product marking methods. High-strength threaded fastener production process: Raw material reforming, cold heading forming, thread processing (rolling or threading), heat treatment, surface treatment, sorting, and packaging.

ettinger fasteners widely used

These are mechanical parts used for fastening connections with extremely wide application. They are characterized by a wide variety of specifications, diverse performance and uses, and a high degree of standardization, serialization, and generalization. Therefore, some refer to fasteners with national standards as standard fasteners, or simply standard parts. This can promote further industry development. It is essential to persist in innovation and adjustment transformation, continuing to rely closely on new energy, aerospace, shipbuilding, electronics and electrical appliances, automotive industries (sedans, trucks, buses), compressors, construction machinery, wind power equipment, agricultural machinery casting, drilling equipment, shipbuilding industry, mining equipment, oil drilling rigs (onshore or offshore), public utilities, rail transit, transmission systems, metallurgical equipment, and rock drilling hammers. Accelerate the optimization and upgrading of fastener products to promote the healthy and steady development of the entire fastener industry.

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