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NFE25511 French Anti-loose Conical Washer

Jiaxing Aoke hardware as the professional manufacturer in China, we would like to supply you conical washers. NFE25511 French anti-loose conical washers, also known as CS washer, NFE 25511 conical contact washer or spring disc washer. The surface is knurled, the core of its design is the conical structure and knurled surface. The conical structure of the washer generates elastic counterforces during the tightening of the bolt, and reducing the risk of loosening caused by material settlement. The knurled surface of the NFE 25511 French anti-loose conical washer increases the friction coefficient, preventing thread loosening due to vibration or thermal expansion and contraction. NFE25511 French-type washers come in three specifications: Z-type (narrow), M-type (medium), and L-type (wide). AOKE produces M3-M20, in various carbon steel grades such as Mn65 and stainless steel grades such as SUS304 (1.4301) and SUS316 (1.4401). The stainless steel material undergoes austenitic hardening to achieve the required mechanical properties and hardness.

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Product Description

The following is an introduction to NFE25511 French spring disc washer, Aoke hope to help you better understand NFE25511 French anti-loose conical washer. The conical contact washers provided by AOKE comply with the French standard NFE25511 and have strict regulations on key dimensions such as outer diameter and thickness. The conical design of the structure gives the washer a certain elasticity, like a miniature spring. During the tightening process of bolts or screws, it can provide good preload force and prevent subsidence. The knurled surface of the spring disc washer greatly enhances its anti-slip and anti-loosening capabilities, effectively preventing thread loosening in a vibrating environment and ensuring the stability of the connection. AOKE Hardware offers three specifications of French-style washers: Z-type (narrow), M-type (medium), and L-type (wide), with sizes ranging from M3 to M20. There is a large inventory and samples can be provided free of charge.

Product Parameter (Specification)

Standard	NFE 25511	Material	Stainless Steel,65Mn, SS304 SS316
Surface Treatment	Dacromet, Mechanical Galvanizing, Phosphorization,Passivation	Size	M3-M20
Style	bowl type/ Conical type	Unite	Piece
Packing	Bulk cartons, small boxes in cartons, Polybags in cartons	Lead time	Busy season:20-30days,Slack season:10-20days

Product Application

NFE 25511 French anti-loose conical washer is widely used in heavy Industry, automotive industry, railway locomotive electrical assembly parts, communication equipment, electrical control cabinets, electrical equipment, elevators, assembly of railway vehicles, medical machinery and special equipment, etc. assembly industries.etc.