Class 4.8 Carbon Steel Black Drywall Screw - Cross Recessed Flat Head with Various Sizes in Inch and Metric Systems
Price:
0.05USD-0.15USD
MOQ:
10pcs
Delivery Time:
15days
Brand:
JIA SHAN
Product Description
Product Overview
Class 4.8 metal screws with cross recessed flat heads, manufactured from carbon steel with black oxide finish. Designed for drywall applications and general fastening in industrial and construction settings.
Technical Specifications
| Attribute | Value |
|---|---|
| Performance Grade | Class 4.8 |
| Material | Carbon Steel (45 steel or Q235-A) |
| Finish | Black Oxide |
| Head Type | Cross Recessed Flat |
| Standards | DIN, ASME, ANSI, ISO |
| Certifications | ISO9001:2008, ROHS |
| Measurement Systems | INCH, Metric system |
Performance Characteristics
Performance grade labeling consists of two numbers representing nominal tensile strength and yield ratio. Class 4.8 bolts provide reliable strength for general construction and mechanical applications.
Industry Applications
| Industry | Use Cases |
|---|---|
| Construction | Building structures, drywall installation, framing |
| Mechanical | Equipment assembly, machinery components, structural connections |
| Automotive | Non-critical assemblies, interior components |
| Industrial | General fastening, manufacturing equipment |
Material Properties
| Material | Characteristics |
|---|---|
| Carbon Steel | High strength, durable, cost-effective for construction applications |
Key Features
- Class 4.8 performance grade for reliable structural integrity
- Black oxide finish provides corrosion resistance and professional appearance
- Cross recessed flat head design for secure fastening and flush installation
- Available in various sizes with both inch and metric measurements
- ISO9001:2008 and ROHS certified manufacturing
Manufacturing Process
Frequently Asked Questions
Q: Are you a trading company or manufacturer?
A: We are factory and OEM are available.
Q: How long is your delivery time?
A: Generally 7-10 days if in stock, or 15-20 days if not in stock, depending on quantity.
Q: Do you provide samples? Is it free or extra?
A: Yes, we offer free samples but the customer pays for freight.
Q: What are your payment terms?
A: 30% T/T in advance, balance before shipment or L/C.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hunan Jia Shan Hardware Tech Co., Ltd.
Location
1st Floor,Building 8 Phase II Factory Building,No.8 Lutian Road,Lugu Base,Lugu Street,Xiangjiang New Area,Hunan Province.Postal Code:410205
Contact Person
Tan