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| Model NO. | S-LZY-01 |
| Groove / Head Style | T-Groove / Round Head |
| Standard | DIN, GB, ISO |
| Grade | 12.9 High Strength |
| Surface Treatment | Black/Gray Phosphated, Yellow Zinc |
| Thread Type | Fine / Coarse Thread |
| Application | Construction Industry / Rail Transit Equipment |
| Material | High Quality Carbon Steel |
| Specification | 3.5mm - 4.8mm |



Drywall screws are usually bugle head screws with spaced threads and sharp points. Classified by the pitch of thread, there are two common kinds: fine thread and coarse thread.
| A1022A Fine/Coarse Thread Performance | |
| Material | C1022 / 1022A / Q195 / Q235 / 45# / 55# |
| Diameter | 1.2mm - 10mm |
| Length | 19mm - 300mm |
| Point Style | Drill point, Sharp point |
| Usage | Building construction, decoration, furniture, electrical components |
With 20 years of specialized expertise, we are leaders in exporting advanced suspended ceiling systems and modular partition wall systems. Our company provides one-stop procurement services, covering PVC gypsum boards, Ceiling T Grids, aluminum panels, and high-quality fasteners.
Our products are sold worldwide across Europe, Americas, Oceania, and Southeast Asia, serving professional construction enterprises and decoration companies with integrated logistics and technical support.



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