Batul Hardware
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Sheet Mounting Roof Fastening Ruspert Dacromet Hex Head Self Drilling Polycarbonate Roofing Screws
| Material | Stainless Steel, Carbon Steel Or Customized |
| Surface Treatment | Ruspert, Dacromet, Customized |
| Size | ST2.2-ST8.0 / 5mm-300mm |
| Quality | Sample Testing Or Third-party Inspection |
| Lead Time | Stock: 7 Days | Customized: 15-30 Days |
Integrated Cold Heading Hexagon Flange Head with painted color. Operates smoothly without bursting. Produced in strict accordance with international standards, ensuring strong tensile torsional strength.
Deep thread and customized sharp thread. Provides uniform force and easy tapping with strong locking force.
Smooth, clean surface with exquisite workmanship. High-quality carbon steel with zinc plating ensures it is not easy to corrode. Special treatments can pass salt spray tests for more than 1500 hours.
| Our Manufacturing Capability | |
|---|---|
| Processing Equipment | Cold Heading Machine, Thread Rolling Machine, Tooth Rolling Machine, Heat Treatment Equipment |
| Testing Equipment | Optical Screening, Hardness Testing, Salt Spray Testing, Film Thickness Testing, Torque Testing |
| Available Materials | 1016, 1018, 1022, 10B21, 1035, 1045, SCM435, 40CR, Aluminum, Brass, Copper, SUS201/304/316/410 |
| Surface Treatments | Blue/Yellow/White/Color Zinc Plated, Nickel Plated, Black/Gray Phosphated, Hot Dip Galvanized, Dacromet, Ruspert |
A1: Our screws are primarily made from high-quality Carbon Steel (1018, 1022, 10B21) or Stainless Steel (SUS304, 316, 410) depending on your application requirements.
A2: Screws with special Ruspert or Dacromet surface treatments can pass the salt spray test for more than 1500 hours, significantly extending their service life.
A3: Yes, we offer full customization for sizes (ST2.2-ST8.0), thread types, and head colors to match your specific roofing materials.
A4: Products in stock can be shipped within 7 days. For customized production, the lead time is generally between 15 to 30 days.
A5: Yes, we provide free samples for quality testing. Customers are only required to cover the initial freight cost.
A6: Our production process and products are certified by ISO, RoHS, and CE standards to ensure international quality compliance.
