Phillips Pan Head Double Washers SEMS Machine Screws
SEM-01
SEMS screws are preassembled part with one or more flat or spring washer under the head, these two components are available as one product. SEMS screws are energy-efficient, permanent, and easily adaptable to many fastening applications.
Material
- Steel: C1006-C1045
- Alloy Steel: SCM435 - Class 8.8, Class 10.9, Class 12.9
- Stainless Steel: SUS302, SUS304, SUS316, SUS410, SUS420
- Brass: C2600, C2700, C2680
- Copper: C1100
- Phosphor Bronze: C5191
- Aluminium: 1050, 5052, 6061
Manufacture Process
- Cold forging is a process which a product is formed by wire and header. Such process is the most efficient and the least material usage. Cold forging is an ideal process for mass production.
- After cold heading, screws are to be assembled with various types of washers. A washer assembled with a screw should be held in place and never fall off.
Surface Finish
- Heat Treatment: Thermal Refining, Carburizing.
- Plating: Trivalent Blue Zinc, Trivalent Clear Zinc, Trivalent Black Zinc, Trivalent Yellow Zinc, Hot Dip Galvanize, Bright Nickel, Black Nickel, Electroless Nickel, Zinc-Nickel Alloy, Black Oxide, Phosphate, Anodize, Tin, Chromium, Magnigard, Geomet, Passivate, Etc.
Packing
- Bulk, plastic bags, plastic trays or bubble bags in export cartons or according to buyer's requests, then palletized.
Applications
- SEMS screws increase efficiency and productivity by eliminating hand assembly of individual washers and screws, commonly used in automotive, architecture, mechanics, home appliances and electronics industries.
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SEM-02
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Details
Phillips Pan Head Double Washers SEMS Machine Screws | Brass & Steel Metal Components Manufacturing | WAS SHENG
Located in Taiwan since 1985, WAS SHENG ENTERPRISE CO., LTD. has been an industrial components manufacturer. Their main manufacturing components, include Phillips Pan Head Double Washers SEMS Machine Screws, brass metal components, steel metal machining components, stamping components, cold forging components and aluminium extrusion components, which are ISO and RoHS certified with all levels of PPAP, IMDS and COC documentation.
Was Sheng was established in 1985. As a one-stop manufacturer, our core value is professional, conveniently and problem solver. Based on our customer support from worldwide, we operation with integrity, pragmatic and reliable attitude providing the best service and product. Combine international market trend with 30 years manufacture experience, we are proficient in CNC machining, stamping and cold forging parts, our specialist reply instantly from design to produce. By the way, standoff, insert and pin are our famous products.
WAS SHENG has been offering customers precision forging and machining industrial products, both with high-quality manufacturing process and 35 years of experience, WAS SHENG ensures each customer's demands are met.