Products Details
Product Name |
black screw , drywall screw , gypsum screw |
Material |
carbon steel 1022A |
Color |
black phosphated ,grey phosphated ,blue-white zinc , white zinc , yellow zinc |
Surface finish |
wax, zinc plated, trivalent chromium blue white zinc, brass plated, phosphate, mechanical zinc, hot-dip galvanized, dacromet |
Thread Code |
full thread and half thread |
Standard |
ISO,GB,DIN,JIS,ANSI,BSW |
Diameter |
M3.5-M4.8, 6#-10# |
Length |
10mm-254mm |
Porducts images


Package Details
1 : bulk packing, 25kg/ctn
2 : small packing: 1kg/small box, 25boxes/ctn
3 : small packing:1kg/plastic bag, 25bags/ctn
4 : at customers' special request on weight
5 : with or without pallet
Delivery Details : 3-30 days after confirmation of the order
Company Profile
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. 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.
Exhibition
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.
Factory photos

FAQ
Q1: Are you a trading company or a manufacturer?
A: we are manufacturer.
Q2: Where is your factory located? How can I visit there?
A: Our factory is located inTianjin city of China. All our clients and friends, from home or abroad, are warmly welcome to visit us.
Q3:What are your main products?
A:Our products mainly include all kinds of bolts, nuts, washers, anchor bolts and threaded rods with GB, DIN, ANSI standards and many special specifications and so on.
Q4:Can I get some samples?
A: Yes, you can get our free samples.Our samples are only free for the customers who confirmed the order. But the freight for express is on customers.
Q5: What should we do if goods are received with some quality problems?
A: All goods have been inspected during the assembling and packing process, the posssibility to get defects is very small. If there are indeed some quality problems, please take some photos and show to us immediately, also please show us other details to locate the problem sources. After we verified the problem, customers can choose to be either refunded or request us to resend another batch of goods without problems.