ISO7380 

Button Head 

Socket Cap 

Stainless Steel A2 A4 Material

SS304 SS316

Size range : M3-M12

Length range : 3mm-150mm

Socket cap, socket head, or socket screws, are a type of threaded fastener and cap screw that have sockets in their head through which torque is applied to screw the fastener. Depending on the type of socket head, a certain tool is required to fasten the screw in place such as a screw driver or Allen wrench. 

About us :
Ningbo Large Stones Hardware and Electrical Trading Co.,Ltd was established in 2012 , owns a factory named Yuyao Hailan Hardware Factory in Yuyao City ,Zhejiang Province . Ningbo Large Stones has been a well known manufacturer and supplier of fasteners for more than 8 years , has earned a well known good reputation in fasteners business in China and all over the world .

Our factory covers and area of 2000 square meters ,owns more than 80 production devices and equipemnt and 10 testing devices with yearly prpduction output of 3000 tons .We supply all kinds of high quality fasteners , such as standard screws , bolts , nuts ,washers etc ,which are totally comply with GB ,ANSI ,DIN ,JIS and ISO standards . More over , we have great ability and experience to customized non-standard parts . We could prodive one-stop services to our customers .

The screws and bolts produced by us are wildly use to furniture ,toilets ,machinery ,automobiles etc . We have passed the ISO certification and SGS test .All products produced by us are totally in line with ROHS standard . Our products are in great demands not only in China but also all over the world .

Our Principle :
Better Quality , Lower Prices ,Faster Delivery ,Better Services

Our Fasteners Exhibition : 
In order to let more customers to know us better , we attended professional fasterners shows every year , Such as Stuggart Fasteners Show in Germany , Las Vegas Fasteners Show in US , Taiwan (China ) Fasteners Show , Poland Fasteners Show , India Fasteners Show , etc . We may already met before . Besides , We already booked the booths for Taiwan (China) and Stuggart Fasteners Show for next year , 

FAQ: 
1. You are a Manufacturer or Trading Company ?
We are Specilized in manufacturing stainless steel scews and fasteners since 2008  with the factory name " Hailan Fastener Fatory " , then in year of 2015 , we started exporting business by ourself with the name of " Ningbo Large Stones " . Yes , we are a professional manufacturer with many years experience .

2. How do you let me trust you ?
 We have import & export right license , SGS and ISO certified our factory on the spot and issued the certification report.  In addition, we attend fasteners exhibitions around the world every year,  you can meet us at the exhibition and welcome to visit our factory .

3. How about our price ?
High quality products with reasonable price. Please send me an inquire, I will quoted you a price for you reference .

4. How do you control our quality ?
We request QC inspect every productions lines for each batch goods. And we can provide you test report and material certificate when the goods finished.

5.Could you provide free samples ?
For new customer, We can provide free samples for standard fastener, But the clients need pay the express charges. For old customer,We will send you free samples and pay express charges by ourself.

6.Do you accept small order?
Sure, we can accept any orders, we keep lots of stock for some STAINLESS STEEL FASTENER, NUTS AND BOLTS, Like hex bolt, tapping screws, machine screws,hex nut,cap nut, flange nut, etc . 

7.How about your delivery time ?
According to customer requests , with our about 100 sets of production machines , we will try our best to support you on the delivery time .

More Questions and Details , pls feel free to contact us !