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Carbon steel 4.8/8.8/10.9 M2.5 Galvanized Customized Double Rod Fastener Knurled Bamboo Screw
| Category | Non-standard screws | Model | CC-316A |
|---|---|---|---|
| Head type | Cheese head | Screw diameter | 8 mm |
| Screw length | 3~110 mm Available | Surface treatment | Galvanized |
| Material Grade | Carbon Steel 45H | Product Grade | Class A |
Screws are essential fasteners used across various industries. Mechanical screws feature a uniform small pitch generally used to fasten metal and machine parts, while specialized designs like the knurled bamboo screw offer unique functional advantages for hand-twisting applications.
Common Application Ranges:






Our production facility maintains a strong capacity for manufacturing professional fasteners and fittings. All products meet international quality systems such as ANSI and BS. We provide high-quality fasteners for construction steel, automotive, machinery, energy, shipbuilding, and railway industries.
In the whole production process, professional engineers monitor quality to guarantee standard compliance. We are committed to continuous improvement and innovation to meet specific customer requirements.




Via Ocean Shipping:
North/South America: ~40 working days | Eastern Europe: ~30-40 working days | Southeast Asia: ~20-30 working days
Via Air Transport:
Global destinations: ~7-10 business days
Packaging Options: Standard export boxes, cartons, plastic bags, or customized as per requirements.
| 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 |
| 44 | DIN464 | - | GB834-88 | Knurled thumb screws with collar |
| 92 | DIN912 | ISO4762 | GB70-85 | Hexagon socket cap screws |
| 104 | DIN931 | ISO4014 | GB5782-86 | Hexagon head screws |
| 106 | DIN934 | ISO4032 | GB6170-86 | Hexagon full nuts |
| 124 | DIN975 | - | GB15389-94 | Threaded rods |
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