The anti loosening mechanism of ASTM Split Lock Washer originates from its ingenious structural design. When the bolt is tightened, the opening spiral structure of the spring washer is compressed, generating a continuous rebound reaction force. This reaction force not only increases the friction between the nut and the connected part, but also forms a mechanical wedge effect through the inclined design of the cutting edge.
The ASTM Split Lock Washer is made of high-quality materials such as spring steel and 304/316 stainless steel, and undergoes surface treatment on each product. Surface treatment methods include galvanizing, spraying, etc. Among them, environmentally friendly electroplating treatments such as environmentally friendly blue zinc, environmentally friendly color zinc, environmentally friendly nickel, environmentally friendly white zinc, etc. are widely favored by the market. The environmental protection concept is in line with the current international concept of harmonious coexistence between humans and nature.
The spring washer needs to be used in conjunction with the flat washer, and the installation sequence is: bolt head → flat washer → spring washer → nut. Flat washers can disperse pressure and protect the surface of the connected parts, while spring washers provide anti loosening force. If the order is reversed, the elastic deformation of the spring washer may be absorbed by the flat washer, resulting in anti loosening failure.
Name | ASTM Split Lock Washer |
Material | Carbon Steel /304Stainless steel |
Standards | GB,DIN, BSW, JIS, UNC, UNF, Non-standard, Customized Drawing |
Thread | Metric Coarse, Metric Fine, UNC, UNF, BSW, BSF. |
Sizes | 6#-1 |
Finish | Zinc plated/Plain/Black/others |
Price | 0.04usd/pcs-0.50usd/pcs |
MOQ | Stardard item(Usually little hundred-little thousand)/determined if non-standard |
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