Self Tapping Screw
Manufacturer
- 19 Years Self Tapping Screw Manufacturer in China
Your trusted Self Tapping Screw Factory
If you are looking for a reliable Self Tapping Screw manufacturer in China, Sinsun is undoubtedly your best choice.we can Produce all kinds of Self Tapping Screw for your projects,including drywall screw,chipboard screw wood screw,(CSK head /Truss head/Pan head/Hex Head) self tapping screw .
Sinsun Fastener has 19 years of experience in Self Tapping Screw production, our factory has enough experience and advanced equipment, ensuring that we avoid common issues such as screw breakage, rusting, or slipping, which can negatively impact construction efficiency. Our commitment to quality and precision guarantees reliable and high-performing products for all your needs.
Standard and Customized Self Tapping Screw Surface Treatment
Sinsun fastener can supply standard surface treatments, including phosphating（Black&gray） and zinc plating（bule &yellow ）, These two surface treatments are the most frequently used that can ensuring high-quality performance for your projects.
We also provide customized surface treatments, such as Nickel Plating and Ruspert ,Dacromet ,Head Painted to meet your different needs
OEM/ODM Self Tapping Screw Supplier
We can supply a wide range of customization options, including :
- Thread Types:high-low thread,Saw thread, tiwnfast thread ,double thread
- Point Type:Type A,Type AB,Type17,cutting point,poon point
- Screw Head Mark：we can offer Head Mark as your head can be marked 1-4 letters
- Product Custom: sinsun can produce any size and weight as your request
- Package:Our professional design team provides free logo and packaging design services, along with 2D and 3D renderings
Strict Quality Control Process For Every Piece Screws
At sinsun, we take quality very seriously. Our rigorous quality control process ensures that every screw meets ASTM Standards.
Our QC Process Includes:
Raw Material :Only premium C1022A materials are used.
annealing and wire drawing all by ourself can ensure the stability of the raw materials and the accuracy of the screw dimensions.In-Process Checks:From screwing, thread rolling, to surface treatment, every step is supervised and tested by quality inspectors in the workshop every day.
Final Product Testing：Tensile strength and drilling speed test,Corrosion resistance and surface treatment checks.,Thread accuracy and size check .
Packaging Inspection:Ensure the correct weight of packaging, check label content, and ensure it is strong and secure
Fast Delivery and Competitive Price
Sinsun can offer fast delivery and competitive prices, ensuring you get high-quality products on time and within budget.
We have a monthly output of 3,000 tons to ensure stable and fast delivery of your orders. Generally speaking, we usually deliver bulk packaging within 20 days, and color box packaging is usually within 30 days.
We have our own factory to complete everything from raw materials to heat treatment. This ensures stable quality while also ensuring controllable and fast delivery, and also saves costs. Compared with many companiers, we have very competitive prices, which can save you a lot of costs and help you occupy more market share.
Sinsun's Self-Tapping Screw Is A Safe Choice
- Focus on Self Tapping Screw
- Pay attention to the quality of screws
- The screws will not break, rust or slip
Sinsun Fastener
Self Tapping Screw Different Surface Treatments
The choice of surface treatment for screws depends on the environment in which your project is used and your budget. Generally speaking, the most economical and affordable phosphating can be used for indoor Huajing. If the environment requires corrosion resistance and rust prevention, you should choose a more advanced surface treatment such as Dacromet and Ruspert
zinc is the most common surface treatment for screws. It can prevent rust and ensure the stability of the screws.
Color head painting is based on galvanizing or Dacromet to spray the head with color, which has better anti-corrosion effect and can also be well matched with your project color, making it look more coordinated and beautiful.
Dacromet self-tapping screws are high-performance fasteners designed for harsh environments where corrosion resistance and durability are critical. They are galvanized and then treated with a layer of Dacromet.
Nickel plating is commonly used for drywall screws and countersunk self-drilling screws. It has better rust and corrosion resistance than galvanizing and phosphating. It is also more expensive
Phosphate self-drilling screws are an economical and aesthetic choice. They are cheaper than Dacromet and galvanized and are suitable for low-corrosion environments. For example, indoor and slate ceilings usually choose phosphate surface treatment.
The surface treatment of Ruspert screws is a high-level treatment method. This method is usually used in outdoor environments and the cost is also high, but the anti-rust and anti-corrosion effect is the best.
Black Oxide Coated Self-Tapping Screws Suitable for Medium Corrosion Resistance and Smooth Dark Surfaces Application Layer Self-drilling screws are an economical and aesthetically pleasing choice.
Self-tapping screws yellow galvanized surface treatment is also a galvanizing process, just a different color, suitable for applications that require corrosion resistance, easy identification and aesthetics.
Sinsun Fastener
Types of Self Tapping Screws
Self Tapping Screws Types
In order to meet the various needs of users, Sinsun’s self tapping screw produces different types of screws Thread and types of screws heads.
Different thread of self-tapping screws Four kinds of threads are most common：
- Type A (Coarse Thread) for wood
- Type AB(Fine Thread) For metal
- Hi-lo Thread for Plastics and Composites
- Saw Thread for wood
We can guide you to choose the right screw according to your project.
Coarse Thread Self Tapping screw
- Save time: no pre-drilling required, fast installation.
- High grip: coarse thread design provides stronger grip.
- Versatile: suitable for a variety of soft materials.
Self tapping Screw Type AB Thread
- AB thread is a double thread design
- Screw tip, no pre-drilling required
- Suitable for thin metal sheets, plastics and other materials
Hi-Lo Thread Self tapping Screw
- High-low thread optimizes screw cutting and tightening performance.
- Low thread design reduces installation resistance
- Fixing of materials such as plastic, PVC, nylon, fiberglass, etc.
Saw Thread Self tapping Screw
- The serrated shape of the threads provides a better grip
- No pre-drilling required: can be screwed directly into the material
- Serration design provides self-locking to prevent screws loosening
Self Tapping Screw Types
Countersunk Head:The flat, conical head sits flush，Self-tapping design quick installation is needed without pre-tapping
Truss head is slightly rounded and the base is flat to provide more surface area to distribute pressure.Used to join thin metal sheets
The pan head design provides a larger contact area compared to flat or countersunk heads, making it suitable for applications
The screw has a sharp, self-tapping point that allows it to penetrate materials easily, even without a pilot hole.
Torx Head Concrete Screws are specialized fasteners designed for anchoring into concrete, brick, or masonry. They feature a Torx drive (also known as a star drive), which provides better torque transfer and reduces the risk of slipping
Hex head design, self-tapping threads, and corrosion-resistant finishes makes them a popular choice for professionals in construction, manufacturing, and automotive industries.
The Pozidriv drive has additional ribs between the main slots, providing better grip,The threads are designed to provide a strong grip and prevent loosening
The square drive provides a secure fit with the driving tool,Their combination of a square drive, self-tapping threads, and corrosion-resistant finishes makes them a popular choice for professionals and DIY
Sheet metal tapping screws are carbon steel galvanized self-tapping screws with sharp progressive thread design. They penetrate thin metal sheets (≤3mm) and self-tap to form threads. They are suitable for sheet metal and chassis assembly.
304/316 stainless steel self-tapping screws are rust-resistant and acid-alkali-resistant, suitable for food machinery, coastal buildings and other wet/corrosive metal substrates.
Dual-lead thread woodworking self-tapping screws, wide-pitch cutting edges reduce wood cracking, and pre-buried installation is suitable for solid wood/composite sheet structure.
Fine thread + pointed phosphate-treated self-tapping screws quickly fix gypsum board to light steel keel, rust-proof and anti-sheet chipping.
Self Tapping Screw Manufacturing Machine
Sinsun have German production equipment and Taiwan’s advanced screw production technology.
- 150 sets of cold heading machines
- 100 sets of thread rolling machines
- 60 sets of tail point machines
- 4 lines of heat treatment systems
- 4 lines of automatic packaging machines
Sinsun Self Tapping Screw Package
High quality plastic cans, one kilogram or 1000 pieces per can,or as your request can better protect the screws
Hanging plastic packaging box, can be packaged according to your requirements, suitable for shopping malls and supermarkets
Hanging plastic packaging box, can be packaged according to your requirements, suitable for shopping malls and supermarkets
Colored boxes and cartons are one of the most common packaging for our self-tapping screws. They can meet the customization needs of customers and can be designed and packaged for free according to your’s logo and ideas. Customized design: clearly highlight “free brand customization” – from logo printing, corporate color matching to personalized copywriting, provide one-stop design services to enhance brand exposure.
Different choices: display options of different box types (floor and ceiling boxes, drawer boxes, etc.), sizes and materials (such as corrugated paper, hardboard), to meet the needs from sample trials to large-scale transportation.
Color box packaging can meet customers’ needs for 1000PCS, 700PCS or 500PCS, 300 pieces per box .
Durability and protection: Emphasis on packaging through compression and moisture-proof tests, suitable for long-distance transportation, especially for the weight design of metal screws to strengthen the load-bearing structure.
Convenient use experience: Easy-tear openings, internal partition slots or anti-scattering designs can be added to improve customer unpacking and use convenience.
The main feature is the combination of basic white small box +customizable label, customization mode of no need to open molds, small orders”
Bulk cartons can be packed according to customer requirements, usually 20-25 kg per box, and the carton contains a moisture-proof bag to protect the screws well.
Made of kraft paper, original white cardboard or recycled paper, the surface retains a slight texture, highlighting the natural texture
100 pcs small bags are packed in plastic bags, the bags can be printed with logo and specifications, the outer box is packed in carton
Bulk 25 kg bags, can also print the name and specifications, the packaging cost is the lowest, suitable for customers who receive the goods to pack by themselves
Pallet packaging is generally based on cartons, which can further protect the goods and facilitate loading and unloading.Suitable for customers with forklifts in the warehouse
Automated Packaging Equipment
Professional Packaging Workers
Self Tapping Screws of Application
Tapping Screws For Gypsum Board
Drywall screws are mostly used to fix gypsum drywall panels to wooden or metal framing
Gypsum Board Installation: Securing drywall to wooden or metal studs in walls and ceilings.
Metal Framing: Specifically fine-thread screws for metal channels in suspended ceilings or commercial metal stud systems.
Suspended Ceilings: Used to fix gypsum boards to lightweight metal grids, ensuring stability and a smooth finish.
Self Threading Screws For Steel
High-strength self-tapping fasteners designed for steel substrates, which can cut matching threads in pre-drilled holes or thin steel plates (≤4mm) to achieve efficient connection between metal and metal, metal and non-metal
- Assembly of steel structure buildings: connecting galvanized steel beams, C-shaped steel keels and steel plates, hexagonal flange heads are suitable for high-torque tools
- Fixing of metal shields of mechanical equipment: installing motor housings and protective shields to steel bodies, flat head design fits the surface, and hardened threads penetrate 2-3mm steel plates
- Automobile sheet metal repair and modification: fixing body reinforcements and brackets to chassis steel, stainless steel material resists salt spray corrosion, and low-speed installation avoids deformation of thin steel plates.
Self Tapping Screws For Wood
Sinsun’s Self Tapping Screw are fasteners designed for wood composite materials such as medium-density fiberboard (MDF), high-density fiberboard (HDF) or particleboard.
- Furniture manufacturing: Assembling fiberboard furniture such as cabinets, bookshelves, drawers, etc.
- Interior decoration: Installing fiberboard wall panels, ceilings, partitions, decorative lines.
- Cabinets and countertops: Fixing cabinet doors, countertop support structures or hardware accessories.
- DIY projects: Handmade models, display racks, custom storage boxes, etc.
Self Tapping Screws For License Plate
Screws designed for license plate installation, with an integrated design of rust-proof coating and self-tapping thread, suitable for metal/plastic license plates and various vehicle substrates, can be firmly fixed without pre-drilling.
Core application scenarios (focusing on license plate installation)
- Family car/SUV license plate fixing: resistant to rain corrosion and prevents vibration and falling off during high-speed driving.
- Motorcycle/electric vehicle license plate installation: penetrate plastic fenders or metal brackets, and nylon locking washers prevent loosening caused by riding bumps.
- Commercial truck/trailer license plate reinforcement: penetrates thick steel plates or anti-collision beams, meeting heavy-load requirements.
Self Tapping Screws For Plastic
Screws are also used for the installation and fixation of many plastic products. Sinsun’s self-tapping screws for plastic have their own characteristics. We have concluded through many tests that Coarse Thread Self-Tapping Screws are more suitable for plastic products because the thread spacing is large, which reduces the pressure on the plastic and prevents cracking.
- Parts assembled from thick plastic sheets (such as automotive plastic interior trim)
- PVC pipes are fixed using Type AB self-tapping screws
- Sinsun recommends using Twinfast double thread self tapping screws for the installation of car plastic bumpers
Self Tapping Screws For Aluminum
Aluminum is lightweight, corrosion-resistant and easy to process. Sinsun’s Self Tapping Screws for Aluminum are specially designed for aluminum. Our screws have sharp drill tips and can directly penetrate aluminum plates (usually ≤3mm thick) without pre-drilling.
Aluminum alloy door and window installation: fix window frames and door hinges to aluminum profiles without pre-drilling.
Curtain wall panel fixing: fix aluminum composite panel (ACP) or aluminum single panel to keel bracket.
Roof and canopy: quick connection of aluminum roof panels and gutter.
Self Tapping Screw -FAQ
What is a self tapping screw?
A Self-tapping screw is one of the most commonly used screws in fasteners,Its main feature is that the Sharp tail can help the screw to drill into the material quickly.
different head types (CSk ,flat, pan, hex) to suit various applications and tools.
How to use a self tapping screw ?
First, choose the right screw for your project. For example, for gypsum board,you choose drywall screws, for furniture links, you choose chipboard screws, etc. Second, choose the right Size and Length. Third,check if you need to drill holes. Some materials are harder and need to be drilled first.
Finally, choose the right tool. Use a drill or screwdriver with the appropriate bit.
What is the difference between self-drilling screws and self-tapping screws?
The main difference between the two kinds of screws is the Tip and applications. The tail of the self drill screw is drilled and is mainly used for metal materials. No holes are required before use.
The self tapping screw is sharp point and is generally used for materials such as gypsum board, wood and thin metal. Sometimes it is required to drill a hole before use.
Can you use self tapping screws in wood?
Yes, it can be used for wood, but there are some point to note:
1.self tapping screws just can be used on thin and soft woods
2.Hardwoods may cause the screw to break or strip so need pre-drilling before use
3.Choose the coarse threads for a stronger grip in wood
What screws are best for plastic?
For plastic products Sinsun’s self tapping screw is the best screw to install plastic products. It is worth noting that the self tapping screw is the most suitable for
What are self-tapping screws used for?
Sinsun’s self tapping screws for sheet metal,like automotive panels, and electronics enclosures,Some self-tapping screws for wood, can attach metal brackets or hardware to wood
Can you use self tapping screws in concrete?
Yes, you can. Sinsun has many years of experience in manufacturing self tapping screws. It is no problem to use self tapping screws for concrete.
What is the maximum thickness for self-tapping screws?
The thickness of the screws manufactured by sinsun is usually #6 #7 #8 #9 #10 #12 and the largest is #14
How to measure a self-tapping screw?
The length of the self-tapping screw is measured from the head to the tail of the screw using a professional caliper.
How much can a self-tapping screw hold?
They can usually bear 45-500KGS, for example, Small screws 45–225 kg
What are the disadvantages of self-tapping screws?
- No need for a separate tapping step.
- Faster installation than traditional bolts/nuts.
- Strong hold in thin or soft materials.
How do I choose a self-tapping screw?
Because there are many types of self tapping screws, Sinsun recommends that you choose the right screw according to the material and thickness of your installation material.
Can you use a screwdriver for self-tapping screws?
Yes, if the material you are installing is made of, use a screwdriver for self-tapping screws, but for hard materials it is recommended to use power tools
How to unscrew a self-tapping screw?
If you want to unscrew a self-tapping screw, Sinsun recommends that you use a screwdriver or an electric screwdriver with a screw bit to gently unscrew the screw.
