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Carbon steel 4.8/8.8/10.9 M2.5 galvanized customized double rod fastener knurled bamboo screw.
Screws are essential fasteners used in various industries. Mechanical screws feature uniform pitch and are generally used to fasten metal and machine parts, while specialized bamboo-style screws offer unique grip properties for specific industrial applications.
| Attribute | Details | Attribute | Details |
|---|---|---|---|
| Category | Non-standard screws | Head type | Cheese head |
| Slot Type | NO | Screw diameter | 8 mm |
| Screw length | 3~110 mm Available | Mode of action | Hand twist |
| Thread size | M8 | Thread Tolerance | 6G |
| Material Grade | Carbon Steel 45H | Product Grade | Class A |
| Surface treatment | Galvanized | Customization | Yes |








We possess a strong production capacity, specializing in professional fasteners and fittings. Our products meet international quality systems such as ANSI and BS. We provide high-quality fasteners for construction steel, automotive, machinery, energy, furniture, railway, and more.
Throughout the production process, professional engineers monitor quality to guarantee excellence. We are committed to continuous improvement and innovation, working closely with partners to provide competitive prices and the best service to every customer.



Global delivery typically within 7-10 business days.
Packaging: Boxes, cartons, or plastic bags as per customer requirement.
| ITEM | DIN-STANDARD | ISO-STANDARD | GB-STANDARD | DESCRIPTION |
|---|---|---|---|---|
| 1 | DIN1 | ISO2339 | GB117 | Taper pins |
| 2 | DIN7 | ISO2338 | GB119-86 | Parallel pins |
| 3 | DIN84 | ISO1207 | GB65-85 | Slotted cheese head screws |
| 4 | DIN85 | ISO1580 | GB67-85 | Slotted pan head screws |
| 10 | DIN125-A | ISO708 | GB97.1-85 | Plain washers |
| 92 | DIN912 | ISO4762 | GB70-85 | Hexagon socket cap screws |
| 104 | DIN931 | ISO4014 | GB5782-86 | Hexagon head screws |
| 105 | DIN933 | ISO4017 | GB5783-86 | Hexagon head screws (full thread) |
| 124 | DIN975 | - | GB15389-94 | Threaded rods |
* Note: The table above displays a subset of supported standards. We support over 200+ specific DIN/ISO/GB variations.
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