| Customization: | Available |
|---|---|
| Material: | Carbon Steel |
| Type: | Hexagon Head With Flange |
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| Product Name | Hex Washer Head Roofing drilling Screw, waterproof screw, sealing screws |
| Material Grade | C1022 with Hardened |
| Performance |
Carburizing quenching heat treatment process |
|
Core hardness
|
31-40HRC |
| Surface Hardness | Min HV600 |
| Size | Metric:4.2 / 4.8 / 5.5 / 6.3 Inch: 8# / 10# / 12#/ 14# |
| Model | Universal |
| Application | Construction, Building, Roofing |
Transhow Screw Factory, produce hex flange head bolt, round head and various headed bolts, wood screws and self tapping screws, customized screws, bolts, nuts, washers, threaded or non-threaded fasteners. Its manufacturing facility including wire heating and pre-production treatment equipments, cold heading machines, multi functional forming machines, tapping, grounding, stamping, drilling, lathes and other tooling.
With more than 15 years production and supplying experience, we are the main suppliers of fasteners and hardware to our local electronics, furniture and machining manufacturers. Our customized bolts, screws and metal stampings, couplings and clamps are widely used in the electricity supply system, electronic transmission facilities, furniture and instrument assembly parts.
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