Screws Manufacturers, Screws Factory, Screw Manufacturer in China


Screws Categories

Fastenwell is one of the leading screw manufacturer in China, we manufacture, stock and provide different screws, hexagon socket head cap screws, machine screws, self tapping screws, self drilling screws, wood screws, drywall screws, chipboard screws, nails etc, our screws are widely used in construction and industrial applications, connecting and fixing parts in metal, wood, steel, drywall, plasterboard, concrete or other materials.


As a satisfactory screw factory, we are also famous as self tapping screw manufacturer, wood screw manufacturers and suppliers, machine screw suppliers, custom screws manufacturers, as well as self drilling screws manufacturer in china, if you are looking for a screws factory, please one hundred precent trust us, we will take care all production and exporting procedure professionly and quickly.


Looking for screw manufacturer in china? Please contact us direclty at, your inquiry will be highly appreciated by us.


Types of Screws Fastenwell Manufacture, Stock and Deliver

Hex Socket Head Cap Screws: DIN 912, DIN 7991, ISO 10642, ISO 7380

Machine Screws: DIN 7985, DIN 965

Self Tapping Screws: DIN 7981, DIN 7982, DIN 7983,

Chipboard Screws: DIN 7505

Wood Screws: DIN 571

Self Drilling Screws: DIN 7504

Check screws stocks and quick delivery soon at

As a custom screws manufacturs, Fastenwell can also produce custom screws as per customer's drawing and sample.


What is a screw?

A screw is a broad category of fastener with a threaded shaft, which are designed to screw into metal, steel, wood parts etc. Fastenwell is an experienced screw manufacturer in china who make screws and export screws for over 15 years. Your request will be clearly understood and followed.


How do you identify screws?

Screws are identified by five basic features say Screws Type, Material, Diameter, Length, and Thread Pitch. If you are new to purchase different screws, you can directly share a screw photo or drawing, we can check and quote for you quickly as a most satisfactory screw factory.


What are the main types of screws?

Machine screws, self tapping screws, self drilling screws, hex socket head cap screws, wood screws, drywall screws, chipboard screws. The main standard we manufacture in our factory are DIN571, DIN 912, DIN 965, DIN7981, DIN 7982, DIN7983, DIN 7985, DIN 7991 etc. If you have request for screws and fixings, Fastenwell will be definitely your reliable self tapping screw manufacturer, sems screws suppliers, wood screw suppliers, machine screw suppliers, as well as socket head cap screws suppliers in China. Reach us soon at


What is a screws purpose? 

Screws are designed to fasten materials from metal to wood by using its screw thread. For screws installation and applications, you can always count on our Fastenwell's technician and production team.


What type of screws are strongest?

Structural bolts and screws, which also called construction screws. Which are strong can make ever lasting connections. Fastenwell produce and export strong screws with good quality, high performance and at the best factory prices.


Where do we use screws?

Screws are widely used in threaded fasteners to hold objects together, mostly in wood, sheet metal, and plastic parts or applications.

Screws have a head on one end of the screw that allows it to be turned, which can be easily installed and removed in machines, equipment or furniture.


Why is screw better than a nail?

A screw can holds things better than a nail because screw has thread which can grips the contacted materials together. Also, when come to remove a screw, it's easier than to remove a nail. Fastenwell is also a nails manufacturing company in China.


What is the advantage of a screw?

  • A mechanical edge makes it easy to driving into materials.
  • Screws are very strong and longer-lasting.
  • Screws can join tight with the materials surrounding, that make them more rust resisting.
  • Easy to install and remove.
  • Many different screws type for choose. Machine screws, self tapping screws, self drilling screws, wood screws, chipboard screws...


What tools are needed to use a screw?

Tools for screws including screwdrivers, spanners, sockets and keys, and drivers, or electrical tools.


How do you know what size screws to get?

First you have to confirm the required screws diameter, and then the length.


What is the most common screw size?

M6, M8, M10 are most common seed screw sizes, but which size of screws will be used depending on your specific and individual project demand.


What's the application of self tapping screws?

Self tapping screws for metal, self tapping screws for steel, self tapping screws for plastic, self tapping screws for aluminum, as well as self tapping screws for wood. Fastenwell is a professional self tapping screw manufacturer and supplier in China. Request for self tapping screws, please reach us at


How can you tell if a screw is self tapping?

It depends on its thread type. Self tapping screws have little notches on the thread to help cut the thread, but not all tapping screws have a sharp tip, some will be blunt or flat. Thread type of self tapping screws including A, AB, B, BT, BP\BF, C, D, T. A and AB thread are the most regular type.


Can you drill a screw directly into wood?

Yes, you can drill a screw directly into the wood. But usually a pilot hole will help the screw to drive into wood more straight, and can preventing the wood materials from splitting. As a leading self drilling screws manufacturer and supplier in China, Fastenwell can provide comprehensive solutions for your applications.


What is the best tool for loosening and tightening screws?

Wrenches. Wrenches are used for tightening and loosening bolts, nuts and screws, especially bolts and nuts, sometimes also use hex key for a hex socket head cap screws.


When should you use a screw instead of a nail? 

Nails vs Screws. Nails are often choose for structural joining, including structure and framing walls, because they are more flexible under pressure. While Screws are better for temporary jobs because they create tight connection and can be removed more easily than nails. Fastenwell produce both screws and nuts as one the largest screw manufacturer in China, both standard and custom screws and nails can be provided.


What is a self tapping screw used for?

As its name features, self tapping screws have the ability to tap threads into materials, so they are wide used for metal, wood, steel, brick materials. Usually a pre-drilled hole will be required before installation for self tapping screws. We are self tapping screw manufacturer make, stock and export self tapping screws with different head types. Please feel free to share your detailed request, we can check and send the best quote upon your inquiry. 


What is the difference between a nail and a screw?

A nail is smooth while a screw has sharp threads in its body. In this case, a nail can be tapped or hammered into materials, but a screw has to be worked with a screwdriver or an electrical tools to turn it into the materials. Fastenwell is a factory manufacturing both nails and screws. To get more about nails, please reach us at


Can you use a nut on a screw?

Yes, a screw can tapping into a threaded hole, and tightening and loosening by turning its head.


What are the two most common types of threads on a screw or bolt?

Course or Fine thread, UNC/UNF.


What are the different types of screw heads?

Slotted, Phillips, Torq, Cross Recess, Hexagon Socked, Square Socked, Solid,Triangle Drive, Slotted and Phillip Combination, etc.


What is a countersunk screw?

Countersunk screws, also called flat head screws, when inserted into materials, the screw head will sink so the surface will looks flat.


What screws to use for studs?

Drywall screws are often used for securing drywall to studs. Coarse-threaded screws are for hanging drywall on wood studs, while fine-threaded screws work with metal studs.


Do self tapping screws come loose?

If the pre-drilled hole is too big, the self tapping screws may coming loose. On the contrary, if the hole is too small, the screws can break or split the materials.


Do you need a pilot hole for self drilling screws?

No need. Self drilling screws have a sharp point which can drilling their own holes into anything from metal to wood materials.


For more information about screws, or choosing the right screws for your applications, please feel free to reach us at


Fastenwell as one of the largest screw manufacturers and facotory, who devoted to provide the most competitive prices, good quality, excellent service and quick delivery to your request of screws, and become your first choice of screws manufacturers and suppliers.


Keywords: screws manufacturers, screws factory, screw manufacturer in china, self tapping screw manufacturer , self drilling screws manufacturer, wood screw manufacturers, wood screw suppliers, machine screw suppliers, chipboard screws manufacturers in China, custom screws manufacturers, sems screws suppliers, socket head cap screw manufacturers, satisfactory screw factory, largest screw manufacturers, stainless steel screws manufacturer