Jiaxing City Qunbang Hardware Co., Ltd
Company Culture: Unrestrained, Vivid, Competed, Opened Service Concept: Hand-in-hand Commitment, Heart-to-heart service.
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| Double Twin Thread Thin Sheet Self-drilling Screws For Aluminum and Steel Profile Sheets | |
 | Material |
| SS304+SCM435 Or Customized | |
| Surface Treatment | |
| Zinc Plated or Ruspert 500-3000H, Dacromet, Customized | |
| Size | |
| 4.8/5.5/6.0mm | |
| Quality | |
| Sample Testing Or Third-party Inspection | |
| Price | |
| Customized Production With Big Discount | |
| Lead Time | |
| In Stock Within 7 Days, Cusomitzed 15-30 Days | |
| Diameter (mm) | Length (mm) | Thread Length (mm) | Washer | Head Diameter (mm) | Drilling capacity (mm) |
| 4.5 | 25 | 23.5 | 14mm EPDM | 10.5 | 1 x 1.0/2 x 0.8 |
5.5 | 25 | 23.5 | 16mm EPDM | 11.0 | 1 x 1.25/2 x 1.0 |
| 6.0 | 25 | 24.5 | 16mm EPDM | 11.5 | 1 x 1.25/2 x 1.0 |
| 6.0 | 38 | 37.5 | 16mm EPDM | 11.5 | 1 x 1.25/2 x 1.0 |
| AS3566 Austrulian Standard Building Screws | ||||
| Corrsion Resistance | Class2 | Class3 | Class4 | Class4+ |
| Coating Type | Zinc+ Organic Coating (Ruspert) | Zinc+ Organic Coating (Ruspert) | Zinc+ Organic Coating (Ruspert) | Zinc+ Organic Coating (Ruspert) |
| Salt Spray Test | 500H | 1000H | 2000H | 3000H+ |
| Kesternich Test | 5 Cycle | 7 Cycle | 15 Cycle | 25 Cycle |