Product Name | China manufacturers din m3 m4 m6 5 Color painted flange hex head self drilling roofing screws for roof |
Material | C1022 |
Thread size | M3.5(6),M3.9(7),M4.2(8),M4.8(10),M5.5(12),M6.3(14) |
Finish | Black / Grey,Yellow / Blue White Zinc Plated,Nickel Plated |
Package | Carton( 6 packs in one carton , and weight is around 22-25kg) |
Lead time | 30-40 working days |
Port of loading | Tianjin xingang Port |
Payment term | 30% TT in advance and 70% TT before shipment |
MOQ | No MOQ for standard item , negotiable for customized item. |
OEM/ODM | Available |
size(mm) | size(mm) | size(mm) |
4.2*13 | 5.5*32 | 6.3*25 |
4.2*16 | 5.5*38 | 6.3*32 |
4.2*19 | 5.5*41 | 6.3*38 |
4.2*25 | 5.5*50 | 6.3*41 |
4.2*32 | 5.5*63 | 6.3*50 |
4.2*38 | 5.5*75 | 6.3*63 |
4.8*13 | 5.5*80 | 6.3*75 |
4.8*16 | 5.5*90 | 6.3*80 |
4.8*19 | 5.5*100 | 6.3*90 |
4.8*25 | 5.5*115 | 6.3*100 |
4.8*32 | 5.5*125 | 6.3*115 |
4.8*38 | 5.5*135 | 6.3*125 |
4.8*45 | 5.5*150 | 6.3*135 |
4.8*50 | 5.5*165 | 6.3*150 |
5.5*19 | 5.5*185 | 6.3*165 |
5.5*25 | 6.3*19 | 6.3*185 |


Tianjin Boya Metal Products Co.,Ltd was established in 2007, mainly producing and exporting various nails, such as common nail, clout nail, roofing nail, ring shank nail, etc and the screws, drywall screws, chipboard screws, self tapping screws and self drilling screws in Tianjin city of china for more than 30 years with our own equipment.
Our factory covers an area of 20 acres ,15000 square meters. Total employee 70 persons, include excellent sales 8 person. Advanced production equipment and processing technical,the annual production capacity reaches about 50000 tons.We have our own nails and screw mills with the independent export and import rights.
Our factory located in Binhai,Tianjin, is near to Xingang port and Tianjin airport..The advantages location has ensured punctual delivery time and saved cost. Our products just for exporting, already exported to West Africa, East Africa, Middle East, South America, Southeast Asia etc. So far,we have established the long-term business relationship with Europe clients. And the quality of our products have been approved by all clients. We are willing to cooperate with you in near future!Our company principles are fine quality,in-time consignment and reasonable price.We sincerely hope to establish business relationships with friends from around the world and to create a bright future together with your firm.


1. who are we?
We are based in Tianjin, China, start from 2017,sell to South America(29.00%),Mid East(11.00%),North America(10.00%),Eastern Europe(10.00%),Eastern Asia(6.00%),Central America(6.00%),Domestic Market(6.00%),Southeast Asia(5.00%),Western Europe(4.00%),Southern Europe(4.00%),Africa(3.00%),South Asia(3.00%),Northern Europe(2.00%),Oceania(00.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Nail/Screw
4. why should you buy from us not from other suppliers?
With more than 10 years experience in manufacturing and exporting nails, wires, fence post in tianjin city of china, our output is up to 50000tons per year. Our factory is nearest to tianjin port, which ensures delivery time and port cost.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese