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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 |
| Slot Type | NO | Screw diameter | 8 mm |
| Thread size | M8 | Surface treatment | Galvanized |
| Material Grade | Carbon Steel 45H | Product Grade | Class A |
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 the international quality system, such as ANSI and BS. We provide high-quality and professional fasteners for construction steel, automotive, machinery, energy, furniture, railway, and more. Throughout the production process, professional engineers monitor quality to guarantee product excellence. We are committed to continuous improvement and innovation to provide qualified parts, competitive prices, and the best service.



Global delivery around 7-10 business days. Packaging options include boxes, cartons, plastic bags, or customized requirements.
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