Ads by Google
Umbrella Heas Roofing Nails
Length | Diameter | mm | Weight/pc | No./ton |
1 3/4" | BWG13 | 2.5 | 3.2g | 312,500 |
2" | BWG12 | 2.8 | 4.8g | 208,333 |
2 1/2" | BWG11 | 3.1 | 7g | 142.857 |
2 1/2" or 3" | BWG10 | 3.5 | 8g | 125,000 |
2 1/2" or 3" | BWG9 | 3.8 | 10g | 100,000 |
Directly sourcing from qualified raw material supplier and our various processing workshops.
We process the quality control from the raw material,screws are made from low to medium carbon steel wire,but other tough and inexpensive metals be substituted,such as stainless steel,brass,nickel alloys,or aluminum alloy.
Quality of the metal used is of utmost importance in order to avoid mistakes.The bulk of all screws are mass manufactured using the thread rolling method.
Our Quality control officers follow a quick response action plan for identifying and eradicating trouble hot spots,and director level management is notified of all quality/production issues.At each level of quality control there is a redundant series of inspections by multiple qualified QC professionals ensuring that each product meets our requirement.