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Carbon steel 4.8/8.8/10.9 M5 Flower countersunk head Fastener self-tapping screws
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 production facilities maintain strong capacity for 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, and furniture sectors. Professional engineers monitor the entire production process to guarantee precision and quality.



Ocean Shipping Timelines:
| ITEM | DIN-STANDARD | ISO-STANDARD | GB-STANDARD | DESCRIPTION IN ENGLISH |
|---|---|---|---|---|
| 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 |
| 184 | DIN7504 | - | - | self-drilling tapping screws |
* Showing major international standard references for DIN, ISO, and GB specifications.
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