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Carbon steel 4.8/8.8/10.9 M4/galvanized/Customized double rod fastener knurled bamboo screw
| Category | Non-standard screws | Head type | Cheese head |
|---|---|---|---|
| Screw diameter | 8 mm | Screw length | 3~110 mm Available |
| Thread size | M8 | Surface treatment | Galvanized |
| Material Grade | Carbon Steel 45H | Customization | Yes |
Screws are generally called wood screws; is the tip of the kind of tip, pitch larger, generally used to tighten wood parts, plastic parts. Mechanical screws, is the front of the kind of screws, the pitch is small, uniform, generally used to fasten the metal, machine parts.








Our products meet international quality systems such as ANSI and BS. We provide high-quality and professional fasteners for construction steel, automotive, machinery, energy, furniture, and railways. With professional engineers monitoring the production process, we guarantee the quality of every product. We are committed to continuous innovation to meet customer requirements with competitive prices and excellent service.



North America, South America: ~40 working days
Eastern Europe: 30-40 working days
Southeast Asia: 20-30 working days
Africa: 35-45 working days
Around 7-10 business days. Packaging options include boxes, cartons, or plastic bags based on customer requirements.
| 1. Goods meet applicable manufacturing country quality standards. |
| 2. Product warranty period of 12 months. |
| 3. Obligation to repair or replace defective parts found during warranty. |
| 4. Shortage claims accepted within 20 calendar days after receipt. |
| 5. Third-party certifications (RoHS, REACH) available upon request before inquiry. |
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