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| Customization: | Available |
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| Material: | Copper |
| Type: | Flat Head |
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Description
Our cross recessed Phillips countersunk head screws are manufactured from high-quality carbon steel with a zinc-plated silver-gray finish for durability and corrosion resistance. Designed in compliance with international fastening standards, these screws feature precise threading, strong tensile strength, and a countersunk head that sits flush with the surface for a neat and secure connection. They are widely used in machinery, construction, furniture, automotive parts, electrical appliances, and household applications. With customizable sizes, grades, and packaging, along with OEM and ODM services, these screws offer a reliable and versatile solution for both industrial and everyday needs.
Specification Table
| Attribute | Specification |
|---|---|
| Model No. | SRW |
| Material | Steel Core with Copper Plating |
| Surface Treatment | Copper Plated, Polished |
| Color | Copper Finish |
| Type | Machine Screw, Flat Head |
| Groove | Slotted |
| Thread Type | Metric |
| Connection Type | Threaded |
| Grade | 4.8 |
| Length | 20mm - 50mm (Customizable) |
| Diameter | 4.8mm - 10mm (Customizable) |
| Head Diameter | 5.8mm - 12mm (Customizable) |
| Tensile Strength | 400 - 1200 MPa |
| Working Temperature | -20°C to 120°C |
| Standard | DIN, GB, ANSI, BSW, JIS, GOST, or Custom |
| Surface | Smooth, Polished |
| OEM/ODM | Available |
| Trademark | HONGSTEEL or Custom |
| Origin | China |
Applications
Machinery assembly and equipment fastening
Construction and structural use
Automotive components and hardware
Furniture and household fixtures
Electrical appliances and devices
Outdoor equipment with corrosion protection
Key Advantages
Durable and Strong: Manufactured from high-grade carbon steel.
Corrosion Resistant: Zinc-plated finish extends product life.
Standard Compliant: Produced to DIN and ISO standards for consistency.
Customizable Options: Sizes, grades, and packaging tailored to order.
Versatile Use: Suitable for industrial, construction, and household applications.
ISO 9001 Certified: Strict compliance with international quality management standards for consistent quality and traceable processes.
SGS Verified: Independent inspection and verification for material and product conformity.
Laboratory Testing Accreditation: Products undergo both in-house lab testing and, if required, third-party lab testing to ensure compliance with customer-specific technical standards.
CE & RoHS Compliance: Meets EU safety and environmental requirements.
100% Leak & Pressure Tested: Each unit is pressure tested before packing to ensure no leaks and safe operation.
HONGSTEEL offers competitive pricing, negotiable quotes, and full support for samples or drawings. We provide OEM & ODM solutions to fit your unique project requirements. Let's build efficient pneumatic systems together.


Jiaxing Hongsteel Trading Co., Ltd., in partnership with Ningbo Hongsteel Machinery Co., Ltd., proudly stands as a beacon of excellence in advanced manufacturing and international trade under the prestigious name "Hongsteel". With an illustrious record spanning over 16 years, we have carved a niche in the global market by consistently delivering precision-engineered components and offering unbeatable service worldwide.
As a leading force in both manufacturing and trading, we at Hongsteel specialize in crafting non-standard manufactured parts, fasteners, construction machinery components, electric tool parts, and automotive components, among others. Our commitment to excellence extends to providing fully customized solutions that cater to each client's specific needs, ensuring their utmost satisfaction.
Empowered by a team of highly skilled technicians and cutting-edge production equipment, we at Hongsteel guarantee superior efficiency, rigorous quality control, and unwavering product performance at every phase of production. Our state-of-the-art facilities boast certifications like ISO9001, ISO 17025, and SGS, alongside laboratory testing accreditations, affirming our adherence to international quality standards.
At Hongsteel, our ethos revolves around the core values of "quality first, service foremost, and continuous improvement and innovation" to meet and exceed customer expectations. Our relentless pursuit of excellence is encapsulated in our quality objectives: "zero defects, zero complaints." We warmly invite your inquiries and eagerly anticipate forging long-lasting, prosperous partnerships with clients worldwide.

