↵Hexagon socket screws
Hexagon socket screws are a type of screw with a hexagon socket drive mechanism. They are commonly used in machinery, precision instruments, molds, electronic equipment, and industrial assembly.
Product Description
Product Name: Hexagon socket screws
Material: Stainless steel
Thread diameter: 2.5mm, thread length: 4mm, pitch: 0.45mm
Drive type: Hexagonal wrench (hexagonal wrench/hexagonal wrench)
Manufacturer: Zeyao
Applications: Automotive, molds, machinery, electronics, and construction industries.
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Common materials
1. Carbon steel
Grade: Grade 4.8 / 8.8 / 10.9 / 12.9
Application: General mechanical connections, high-load connectors
Heat treatment: Tempering, quenching + tempering (depending on the grade)
2. Stainless steel
A2-70 (304) is suitable for ordinary rust-proof environments
A4-80 (316) is suitable for strong acid and alkali, marine, medical and other corrosive environments
No need for electroplating, has natural corrosion resistance
3. Alloy steel (such as SCM435)
Used to manufacture 12.9 grade high-strength screws
Excellent mechanical properties and long fatigue life
Widely used in heavy-duty conditions such as automobiles, molds, and aviation
Surface treatment process
|
Surface Treatment |
Features |
Applicable Fields |
|
Black Oxide (Bluing) |
Oxidation resistant, slight rust protection |
General industry, internal machine parts |
|
Zinc Plating (White/Yellow) |
Low cost, decorative appearance |
Home appliances, furniture, hardware |
|
Dacromet |
Corrosion resistant, environmentally friendly |
Automotive chassis, construction machinery |
|
Nickel / Chrome Plating |
Shiny appearance, corrosion resistance |
Medical devices, decorative hardware |
|
Electroless Zinc Flake Coating |
Cr6+-free, high salt spray resistance |
Automotive fasteners, heavy industrial equipment |
Contact us to learn more about Hexagon socket screws or request custom options.
Contact Information:
Tel: +86 13380688971
WhatsApp: +86 13380688971
Email:sales@hky-hardware.com
Some Statistics About Us You Must Know
Choose the plan that suits you best.
18
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
+
MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
Production Process
As a fastener manufacturer with 19 years of experience, Zeyao boasts a comprehensive production system, ensuring consistent quality and on-time delivery for every fastener.
1. Raw Material
We purchase high-quality metal wire and strictly sort it into batches upon arrival, preparing it for subsequent processing.
2. Cold Heading
A cold heading machine processes the raw material into the basic shape of the fastener.
3. Thread Rolling
Next, threading, also known as threading, is performed to ensure the screw or bolt has a standard, clear profile.
4. Automatic Lathe Processing
Fully automatic lathes are used to further refine parts, including chamfering, turning, and slotting, to enhance dimensional accuracy.
5. Benchtop and CNC Lathe Finishing
For complex or customized fasteners, we use benchtop lathes and CNC machines for further processing to ensure they meet specific customer requirements.
6. Quality Inspection
All products undergo rigorous manual and automated inspections to eliminate defective items and ensure that every shipment meets customer standards.
7. Functional Testing
Some products undergo specialized testing equipment to verify key indicators such as hardness, thread accuracy, and external dimensions.
8. Packaging and Shipping
Products are sorted, packaged, labeled, and boxed automatically or manually, and then neatly stacked in the warehouse for shipment.
Quality Control
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