DIN6797A type of External Teeth Lock Washer
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- Supplier: Tianjin Simflex Company Ltd.
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Product Overview
Description
Product Overview
DIN6797A External Teeth Lock Washer
DIN6797A External Teeth Lock Washer
Standard: DIN6797A
Standard: DIN6797A
Material: 65Mn springs steel, stainless steel SUS304, 316
Surface treatment: Black, Zinc plated, Nickel plated Dacomet etc.
Products Description
How does it work?
During installation, the radial teeth cause one half of the Washer to be seated to the bolt or nut, while the other half is seated to the joint material.
When exposed to load or vibration, the bolt or nut will attempt to loosen. Since the radial teeth are seated to the mating surfaces, any movement in the loosening direction is forces between the cam.
Because the cam angle (α) of the Washers is greater than the thread pitch angle (β) of the bolt, a wedge effect is created by the cams, preventing the bolt or nut from rotating loose. Clamp load is maintained and the joint remains secure.
When exposed to load or vibration, the bolt or nut will attempt to loosen. Since the radial teeth are seated to the mating surfaces, any movement in the loosening direction is forces between the cam.
Because the cam angle (α) of the Washers is greater than the thread pitch angle (β) of the bolt, a wedge effect is created by the cams, preventing the bolt or nut from rotating loose. Clamp load is maintained and the joint remains secure.
Specification and Materials
Carbon steel like 65Mn etc, Surface treatment: Dacromet, Geomet, Zinc flake, Delta and so on.
Stainless steel like SS304, SS316 etc, Surface treatment: Natural color or customized as per customers’requirements.
Stainless steel like SS304, SS316 etc, Surface treatment: Natural color or customized as per customers’requirements.
FEATURES AT A GLANCE
NFE25-511 French Standard Lock washer
* For use with bolts up to Class 12.9,Grade 8
* Available in SCM435/SAE4130 Alloy * Steel,316L Stainless Steel, and 254 SMC Stainless Steel
* Provided in preassembled glued pairs
* Easy to install and remove with standard tools
* No retightening needed after installation
* Reusable-will not distort threads on bolt
* Can be used reliably for joints with short clamp length
* Available in SCM435/SAE4130 Alloy * Steel,316L Stainless Steel, and 254 SMC Stainless Steel
* Provided in preassembled glued pairs
* Easy to install and remove with standard tools
* No retightening needed after installation
* Reusable-will not distort threads on bolt
* Can be used reliably for joints with short clamp length
PRODUCT SPECIFICATIONS
No | Item | Data |
1 | Material | 65Mn, SS304, SS316 |
2 | Outside Diameter | 3-20mm |
3 | Surface treatment | Dacromet, Geomet, Zinc flake, Delta etc |
4 | Standard | DIN9250 |
Application
SIMFLEX SHOW
PACKING
The packing of the SIMFLEX springs
The springs are normally packed by cartons. We also use a pallet as the base for the cartons. After placing the carton on the pallet correctly.
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