The key advantage of these screws is their self-drilling tip, which eliminates the need for pre-drilling holes. This design allows the screw to penetrate materials like sheet metal, aluminum, plastic, and wood efficiently, reducing installation time and labor costs.
Available in various materials (stainless steel, carbon steel, zinc-plated) and sizes (diameter: M3–M8; length: 10–100mm), they offer versatility for different applications. The sharp threads provide excellent grip and resistance to loosening, while the 90° head angle ensures a secure, flush fit.
Common uses include roofing, HVAC systems, automotive assembly, and furniture manufacturing. Their ability to combine speed, strength, and ease of use makes them a top choice for professionals and DIY enthusiasts alike.
Product Description
Material
Carbon Steel
Stainless Steel
Zinc-Plated/Galvanized
Aluminum Alloy
size
Ball Size Compatibility: 1-7/8", 2", and 2-5/16" (adjustable couplers available).
Tongue Width: Standard 2" x 2" or 3" x 3" for A-frame trailers.
structure
The screw consists of:
A countersunk flat head (90° angle) with a Phillips drive for easy installation.
A self-drilling tip (like a drill bit) to pierce materials without pre-drilling.
Application Areas
Ideal for metal-to-metal and metal-to-wood fastening, these screws are widely used in:
Construction (roofing, steel framing, drywall).
Automotive (body panels, trim installation).
HVAC & electrical enclosures.
Basic Features
| Product Name | High-Strength Self-Drilling Screws |
Brand |
Hanyang |
| Product Model | Customized according to your drawing |
Quality |
High Quality |
| Product Material | Stainless steel, Carbon steel |
Supply Capacity |
100000 pieces per month |
|
Packaging |
1. Bulk cartons+ wooden pallets 2. According to customer needs |
Payment Terms |
TT or other payment methods |
|
STANDARD |
ASTM A325 A325m |
Certificate |
ISO9001 |
|
Warranty |
6months |
Thread |
UNC, UNF, M, F |
| CLASS |
Carbon steel:4.8,6.8,8.8,10.9,12.9 Others : Customized |
Specification |
Customized , OEM/ODM, as per client' s drawing or sample |
Our Products
Bolt
Nut
Customised fasteners
Our Services
mechanical equipment
Efficient and precise processing and testing equipment.
Technology Application
An experienced manufacturing company with professional design, R&D and manufacturing teams.
Standardized production
Complete production and processing on time and quickly
Provide customized services
Provide drawings and samples according to customer requirements
Order Management
Smoothly and actively complete customer orders
responsibility
Full supervision and management from product manufacturing to delivery to customers
Our Certificates
Our production and dispatch
20
years
We have been working in the industry since 2015.
34
nations
We have worked with 34 countries on five continents.
27
harbours
We have multiple ports to ship to.
Our address
Gaotanba E-Commerce Industrial Park, Shuifu City, Zhaotong, Yunnan, China
Phone Number
86-15983127791
15983127791@163.com
FAQ
1.Are we a manufacturer or a trading company?
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We are a manufacturer. We have professional pre-sales and after-sales service staff to serve you.
2.What are the shipping methods?
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We can choose DHL, Fedex, UPS, as well as sea or air transportation.
3.What are the payment terms?
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Our payment terms are usually 30% T.T deposit in advance and 70% balance before shipment.
4.Do you provide samples? Are the samples free?
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We generally provide samples for free, but the freight should be paid by the customer.
5.How do you ensure quality control?
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We are responsible for quality control not only of the production line, but also of the entire ready-made order. Each order needs to be inspected in detail before shipment.
