Steel Screw

Steel screws are one of the most commonly used fastening solutions worldwide. They combine high tensile strength, excellent durability, and versatile applications, making them essential in industries ranging from construction and Automotive to aerospace and electronics.

Our steel screws are manufactured using advanced CNC Machining, thread rolling, and cold forging technology to ensure precision, consistency, and superior performance. Whether you need stainless steel screws for corrosion resistance, carbon steel screws for cost efficiency, or alloy steel screws for heavy-duty applications, we provide comprehensive solutions tailored to your needs.

As a custom steel screw manufacturer and supplier, we support OEM & ODM services, covering design, Material selection, surface treatment, and packaging. This ensures our customers receive precision steel screws that meet exact technical requirements and industry standards.

Key Features

• High Strength & Reliability – Engineered from premium carbon steel, stainless steel, or alloy steel for superior tensile and shear strength.

• Corrosion Resistance – Options include stainless steel (304, 316), galvanized steel, and coated screws to ensure long-lasting performance in harsh environments.

• Wide Range of Sizes & Standards – Metric and inch sizes available, complying with DIN, ISO, ANSI, and JIS standards.

• Precision Machining – Advanced CNC Machining ensures accurate dimensions and tight tolerance control.

• Multiple Head & Drive Types – Including flat head, countersunk, pan head, socket head, hex head, and Torx drive steel screws.

• Customization Available – OEM/ODM service for materials, head types, surface finishes, and packaging.

Manufacturing Process

1. Material Preparation – Selection of stainless steel, carbon steel, or alloy steel based on strength and corrosion resistance requirements.

2. Cold Heading & Forging – Forms the screw head and body with high structural integrity.

3. Thread Rolling – Precision rolled threads improve durability and reduce stress concentration.

4. CNC Machining – Ensures tight tolerances for high-precision applications.

5. Heat Treatment – Enhances hardness, tensile strength, and wear resistance.

6. Surface Treatment – Processes such as galvanizing, passivation, nickel plating, or black oxide for improved appearance and corrosion resistance.

7. Quality Inspection – Each batch is tested for tensile strength, torque resistance, dimensional accuracy, and surface quality.

Material Selection

• Stainless Steel Screws (304, 316) – Excellent corrosion resistance, ideal for marine, outdoor, and food-grade applications.

• Carbon Steel Screws – High strength and cost-effective, suitable for construction and general machinery.

• Alloy Steel Screws – Superior hardness and wear resistance, commonly used in aerospace, defense, and heavy-duty equipment.

• Galvanized Steel Screws – Enhanced corrosion protection for outdoor structures and building applications.

Surface Treatment Options

• Polishing – Smooth finish for aesthetic and functional applications.

• Zinc/Nickel Plating – Improved corrosion resistance and longer service life.

• Black Oxide – Provides anti-rust properties and a professional appearance.

• Passivation – Enhances corrosion resistance for stainless steel screws.

• Anodizing (for aluminum alloy screws) – Adds protective oxide layer and optional color finish.

Precision & Quality Control

• Tolerance Control – Achieves precision tolerances up to ±0.01mm.

• Surface Roughness – Achieved Ra 0.8–1.6 depending on application.

• Inspection Equipment – CMM (Coordinate Measuring Machine), torque testers, tensile strength machines, hardness testers, and salt spray testing for corrosion resistance.

• Certifications – ISO 9001:2015 and IATF 16949 certified, ensuring global quality standards.

Applications

• Automotive Industry – Engine components, body panels, and safety systems.

• Construction & Building – Structural fastening, roofing, and steel framework.

• Electronics & Appliances – Small precision steel screws for consumer devices.

• Marine & Offshore – Stainless steel screws for boats, docks, and offshore platforms.

• Aerospace & Defense – Alloy steel screws for high-stress and vibration-resistant applications.

• Furniture Manufacturing – Reliable fastening for wood-to-metal connections.

Technical Specifications (Example)

• Size Range: M2 – M24, 3/32” – 1”

• Length: 4mm – 200mm (customizable)

• Head Types: Flat head, countersunk, pan head, hex head, socket head, Torx head

• Drive Types: Phillips, slotted, Torx, hex socket

• Strength Grades: 4.8, 8.8, 10.9, 12.9

• Standards: DIN, ISO, ANSI, JIS, GB

FAQ

Q1: Can you provide custom steel screws according to drawings or samples?
A: Yes, we offer full customization services. Customers can provide technical drawings, samples, or specifications, and we will manufacture accordingly.

Q2: What is your minimum order quantity (MOQ)?
A: Standard screws are available with flexible MOQs. Custom screws typically start from 5,000–10,000 pcs depending on specifications.

Q3: How long is your delivery time?
A: For standard steel screws, delivery is within 7–15 days. For custom orders, production time is usually 20–30 days.

Q4: What surface treatments can you provide?

A: We offer galvanizing, nickel plating, black oxide, passivation, polishing, and custom coatings.

Q5: Do you provide testing reports?
A: Yes, we provide material certificates, tensile strength reports, salt spray tests, and dimensional inspection reports upon request.

Why Choose Us

• Precision steel screw manufacturer with advanced CNC machining and cold forging equipment.

• 15+ years experience supplying to automotive, aerospace, construction, and electronics industries.

• Custom screw supplier offering OEM & ODM services for materials, sizes, and finishes.

• Strict quality control with 100% inspection before delivery.

• Global export experience ensuring reliable logistics and packaging.