Overall Description
| Name | Sems Screw With External Tooth Washer |
| Measurement | M3.5*5.5 or customized |
| Product material | SUS304, SUS316, and so on |
| Finished | Polished, and so on |
| Feature | Screw with external tooth lock washer |
| Head type | Pan head |
| Drive type | Cross recessed |
| Application | Industry, electronic instrument, and so on |


Sems Screw With External Tooth Washer Details
Sems Screw With External Tooth Washer Application
Sems Screw With External Tooth Washer Production Flow

Partners

In order to ensure the customer's use rate of fastener products, the following standard conditions must be met in the production process, roughly the following five kinds.
1. Standards of fasteners in terms of size: Specifies the basic dimensions of the product. Threaded products also include the basic dimensions of the thread, thread finish, shoulder spacing, undercuts and chamfers, and end of externally threaded components. Size and other aspects.
2, the fastener product technical conditions standards. Specific includes the following criteria:
a) Standards for fastener product tolerances: Specify the product size tolerances and geometric tolerances.
b) Standards for the mechanical properties of fasteners products: Specify the marking methods for the mechanical performance grades of the products and the contents of the mechanical performance items and requirements; some fasteners will change the content of the fasteners to the material properties or working performance of the products. Aspect content.
c) Standards for surface defects of fastener products: Specify the types of surface defects and specific requirements of the product.
d) Standards for surface treatment of fasteners: Specify the type of surface treatment and specific requirements of the product.
e) Standards for the testing of fastener products: Specify the content of the above-mentioned various performance requirements for testing.
3, fastener product acceptance inspection, marking and packaging standards: specify the product inspection and acceptance of the project quality standards and sampling plans, as well as product marking methods and packaging requirements.
4. Standards for labeling methods of fastener products: specify the complete labeling method and simplified labeling method.
5, fasteners in other aspects of the standard: such as the standard terms of fasteners, fasteners product weight standards.

