Self Drilling Screw

China Self Drilling Screw Manufacturers Factory Suppliers

 

 

We specialize in producing all kinds of Self Drilling Screw products, mainly Truss Head Self Drilling Screw, Torx Drive Double Csk Head Self Drilling Screw, Pan Head Self Drilling Screw, Painted Head Hex Washer Head Self Drilling Screw and Tapping Screws, Hex Flange Head Self Drilling Screw with Round EPDM Washer, Hex Washer Head Self Drilling Screw, Double Flat Head with Nibs Under Head Self Drilling Screw with, Ruspert Treatment, etc.
Haiyan Gete Hardware Co.,Ltd. was established in 2014. After years of operation, it has mature technical expertise, advanced process equipment, extensive production experience, and a complete service system.
We have established long-term cooperative relationships with customers around the world, allowing customers around the world to buy high-quality products and enjoy excellent customer service.

 

Company Advantages

 

Well-Experienced
Haiyan Gete Hardware Co.,Ltd was established in 2014, with more than 10 years of manufacturing experience, creating many successful cases and can provide customers with perfect solutions. Our fastener and hardware business improves year by year in Europe and North American market.
Professional Team
We have hundreds of professional and technical personnel, and we can provide you with professional services. Professional engineers also can provide expertise consultations and professional advice on product selection and maintenance. Firmly supported by a fully experienced sales and engineering team, we can assist you in finding the exact hardware and fastener products you plan to purchase.
Competitive Pricing
We offer competitively priced for our products, ensuring that we can offer our customers a high-quality solution without breaking the bank. We also can offer different discounts based on your order quantity.
Quality Assurance
We adhere to stringent quality control measures to ensure that our products meet and exceed industry standards. Our fasteners are manufactured using premium materials and undergo rigorous testing to guarantee their durability, strength, and reliability in diverse operating conditions.
Customized Services
We offer customization options for our fasteners, including variations in size, material, and finish. This flexibility allows us to tailor our products to specific project needs, ensuring optimal performance and compatibility and our team is capable of developing new products or providing technical solutions tailored to customer requirements. If you have any special request, please send us the details.
Expansive Market Reach

With an experienced and professional team, we have exported our products to many countries and regions all over the world. Our products sell well in mainstream markets such as Europe, North America, Japan, South America, Oceania, and Asia. We have established long-term cooperative relationships with customers around the world.

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Introduction to Self Drilling Screw

Self-drilling screws are fasteners that have a drill bit-like tip that allows them to drill their own holes as they are screwed into a material. They are often made from stainless steel and can be used on soft steel, wood, and other materials.
Self-drilling screws have a point that acts as a drill bit and sharp cutting threads that tap holes at the time of installation. The self-drilling screws are used for a variety of screws for quick drilling into all kinds of materials, be it metal or wood. The self-drilling screw can easily be pointed out with the help of its flute or commonly called the notch.
The self-drilling screws are used in light gauge applications. These screws tap the threads to a degree during the time of installation. It is a kind of self-tapping screw featuring a drill point. This sharp drill point can both drill a hole and form the mating threads during a single operation.

Painted Head Hex Washer Head Self Drilling Screw and Tapping Screws

 

Advantages of Self Drilling Screw

 

 

Save Time
Self-drilling screws need no pilot hole to cut and fasten. These screws can drill, tap and fasten all at one go. This saves time and saves you from the extra work of drilling and then fastening. Your time, resources and stress will be simplified using the self-drilling screws.
Anti Corrosion
Rusty screws are hard to deal with. Rust reduces the strength of metal structured elements, reducing the thickness of the elements
Self-drilling screws are corrosion resistant and prevent from getting rusted. Self-drilling screws are made up of hard steel or stainless steel that has been treated to increase its hardness. Stainless steel does not get rusted thus it is corrosion free and long-lasting. Self-drilling screws, since are made up of the hard steel are long-lasting they are each customer's first choice.
Durability
Self-drilling screws also come with accessories that prevent the possibility of rust. The corrosion-resistant surface of the self-drilling screws lasts longer against the deteriorating effects of weathering. This enhances the durability of the screws and has various reapplications and thus it makes the drilling an easy task.
Reduced Preparation
Self-drilling screws do not need any kind of pre-drilling or pre-fixing. Self-drilling provides efficient performance by reducing preparation time and constantly ensures a precise and durable bond. Self-drilling screws have been designed to penetrate or cut directly into the material. This allows the users to cut out the pre-drilling step in the process and create an unbeatable tight thread.
Improved Efficiency
Self-drilling screws require minimum preparation to drill into the materials. As a result of its precise thread that is created by the screw itself, self-drilling screws are also the product of choice for items that are required to be assembled or dissembled. As the screw follows the same thread each time it ensures a strong and consistent bond.

 

Types of Self Drilling Screw
 
 
Truss Head Self Drilling Screw

A truss head self-drilling screw is a precision fastener that is self-drilling and corrosion resistant. They are threaded fasteners with a mushroom-shaped head that protrudes out of the workpieces.
Truss head self-drilling screws create their own hole and thread in one action, which reduces preparation time and allows for quick work. Truss head self-drilling screws should be used with a washer to prevent the fastener from moving.

 
Torx Drive Double Csk Head Self Drilling Screw

Torx Drive Double Csk Head Self Drilling Screws can be used on plywood structures. It has advantages in drilling speed and convenience. It is normally used with professional tools. Wood thread and middle knurling, effectively reduce the risk of cracking of hardened board.

 
Pan Head Self Drilling Screw

A pan head self-drilling screw is a type of screw that can drill its own hole. They are made from cold-heading steel and have a drill point at the end. The unique tip design allows the screw to drill, tap, and fasten metal to metal objects in one operation, without the need to pre-drill.

 
Hex Flange Head Self Drilling Screw

A hex flange head self drilling screw has a drill point that can create its own hole and thread in one action. They are used to attach metal to metal or plastic to plastic.
Hex flange head self drilling screws are generally made of C1022 carbon steel hardend or stainless steel SS410. C1022 steel self drilling screws could drill 1.5mm thick sheet metal while SS410 could drill even 5mm thick sheet metal.

 
Hex Washer Head Self Drilling Screw

Hex washer head self-drilling screws have a hex head that can be driven by a wrench or socket. They have a self-drilling (TEK) point that taps its own holes to pierce through 20 to 14 gauge metals.
These screws are used for metal to metal fastening, such as in medium gauge metal to metal framing. They can also be used to fasten steel sheets onto steel bases or substrates in single or multiple layers.

 
Double Flat Head with Nibs Under Head Self Drilling Screw

A double flat-head with nibs under head self-drilling screw is a countersunk head screw with a word groove and a common bolt connection. Some flat head screws have 4–6 ribs, or nibs, around them, and are often used on double panels made of metal and PVC.
Double Flat Head with Nibs Under Head Self Drilling Screw s are good at fastening metal to metal or wood to metal. They can be used for steel-to-steel connections, wood-to-steel connections, and composite material-to-steel connections. However, they may not be the best option for exceptionally soft wood.

 

 

Applications of Self Drilling Screw
Painted Head Hex Washer Head Self Drilling Screw and Tapping Screws
Hex Flange Head Self Drilling Screw with Round EPDM Washer
Hex Flange Head Self Drilling Screw with Round EPDM Washer
Truss Head Self Drilling Screw

Roofing: Self-drilling screws for metal roofing are specially designed with a washer to form a tight seal when fastening. As with all self-drilling screws, they have a drill bit formed point that makes inserting them quick and easy.
Decking: Previous to the development of the self-drilling screw, builders had to drill pilot holes before inserting screws. Self-drilling screws have eliminated the need for this extra step, which has reduced time on jobs and made the process more efficient. The total process can be performed in a quarter of the time it took under the pre drill method.
Sheet Metal: Metal sheets are used to frame a wide variety of products. To speed up the production process and ensure tight connections, self-drilling screws are used as fasteners. The drill-like tip of self-drilling screws is preferred over other methods of fastening due to its efficiency. Industries that use self-drilling screws for metal fastening include automobile construction, building, and furniture manufacturing. The design and construction of self-drilling screws allows them to pierce 20 to 14 gauge metals.
Medical: Self-drilling locking screws are used in the medical field for orthopedic surgery, organ replacement, and tissue and muscle repair. As with other applications, they are preferred over other fastening methods for the speed with which they can be inserted. The requirements for their use include an exact calibration of their length and an assurance of biomechanical stability.
Framing: Self-drilling screws for framing must be able to cut through heavy duty metal studs. They have special heads designed to decrease driving torque but have exceptional holding strength. They are capable of driving through metals of up to 0.125 inches thick with an RPM rate of 1500. They come in a variety of metals to fit the operation and application. Regardless of if the material to be drilled is metal lathe or heavy gauge metal (between 12 to 20 gauge), self-drilling screws can easily connect and frame a structure.
Drywall: The unique feature of drywall self-drilling screws is their countersink head that neatly fits into the drywall without tearing or damaging the paper and avoids head pops. They are generally coated for interior applications and come in numbers 6, 7, 8, and 10 diameters. They are flexible enough to be attached to wood or metal studs and include rolled threads for added strength and holding power.
Concrete: Concrete self-drilling screws are able to tap into concrete, brick, and block. Unlike the use of self-drilling screws with other materials, it is necessary to create a pilot hole for self-drilling screws to be able to tap into concrete. There are two groups of concrete screws, which include the standard sizes of 3/16 and 1/4 inch. The other group has larger diameters that are 3/8, 1/2, 5/8, and 3/4 inch. There are several different head styles for concrete self-drilling screws that include flat head Phillips and slotted hex. Flat head screws are for applications where the screw needs to be countersunk, while with hex head screws screw head is above the surface.
Trim Head: The uniqueness of trim head screws is their very small head and resemblance to finishing nails. The size of the head of trim head self-drilling screws allows them to countersink themselves, which makes them useful for attaching molding and trimming cabinetry.

 

 

 

 
Key Design Features of Self Drilling Screws
 
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Drill Flutes:‍ The grooves in the screw tip provide an outlet for the drilled material that performs similarly to flutes on drill bits. Debris accounts for roughly 80% of all heat generated when drilling, so if it accumulates too much then this may cause the point to overheat and malfunction.

02/

Point Length:‍ The length of the point dictates the thickness of material the screw can dependably puncture. Before any threads engage, all of the unthreaded element (pilot section) must be able to entirely bore through whatever it is penetrating.

03/

Point Wings:‍ Point wings are a common feature with some self-drilling screws used to attach thicker materials, such as wood, onto metal. The purpose of the wings is to widen the hole in the fastened material so that threading can occur without touching it. This gap prevents any stress from forming on both surfaces and thus keeps them firmly connected.

04/

Grip Lengths:‍ The grip length of the screw is the distance between the underside of the head and the point of the drill bit. This measurement is important to ensure that the screw threads fully engage with the material being fastened. If the grip length is too short, the screw may strip out or not hold tight enough.

05/

Thread Count and Spacing:‍ Different materials require different thread counts and spacing in the self-drilling screws to ensure proper engagement and grip. For example, softwoods need screws with tighter threads for a better grip, while hardwoods require less thread spacing to avoid splitting.‍

06/

Screw Head Design:‍ The shape and size of the head determine how the material will be held together, and the suitability of the screw head for the application.

 

Certifications
 
 

We have various technical certifications incorporate: GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS . The quality of our products is highly praised by customers.

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Products Description
 

We have a fully automatic CNC production line, and are committed to providing customers with the best products and services.

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Frequently Asked Questions
 

Q: What Materials Are Used For Making Self Drilling Screws?

A: Self-drilling screws are normally crafted from hardened steel or chrome steel. The material preference depends on the precise application and environmental factors. Hardened steel self-drilling screws provide excessive power and durability, making them suitable for heavy-obligation obligations. Stainless metal screws, then again, offer wonderful corrosion resistance, making them ideal for out of doors or marine applications. These screws frequently function a special coating, including zinc or galvanized finish, to beautify their resistance to rust and other forms of corrosion.

Q: What is the difference between Self Tapping Screw and Self Drilling Screw?

A: Self-tapping and self-drilling screws are two types of screws used in metal building and general construction, as well as many other applications and industries. Contrary to popular belief, the two terms are not interchangeable.
No construction project is ever completed without complication. Weather, material delays, and human error all cause interruptions. Some delays can be avoided, however. Simply ensuring you have the right tools for the job goes a long way in meeting your deadlines.
The differences between Self Tapping Screw and Self Drilling Screw are as follows:
Self-Tapping Screws:
Self-tapping screws have the ability to tap threads into the material. Self-tapping screws are used for all sorts of materials, including wood, metal, and brick.
These screws cannot drill through metal and require a pilot hole to be pre-drilled before installation.
A pilot hole is created by using a drill bit which is slightly smaller than the screw, and the threads of the screw tap the metal or wood while the screw is being installed.
This tapping action keeps the material fastened together. There are many different types of points that a self-tapping screw can have that assist in tapping threads into various substrates.
Self-Drilling Screws:
These screws can be identified by the drill bit-shaped point of the screw and are designed for various applications, such as fastening metal to metal and metal to wood.
Self-drilling screws do not require a pilot hole. This accelerates installation time and lowers the cost and need for additional drill bits.
The extra functionality and cost-saving feature make self-drilling screws the clear choice for metal building construction.
The drill points are numbers #1 through #5, and the amount of steel they can drill through increases as the numbered point increases.
Typically, self-drilling screws are used in light gauge applications, but a #5 drill point can drill through and fasten up 1/2" of steel. During installation, self-drilling screws will also tap threads to a degree.

Q: What are the coating types of Self Drilling Screw?

A: ‍Self-drilling screws are usually crafted of stainless steel, with other less common materials also available. Stainless steel is ideal for this type of screw as it is both resilient and powerful, so it is an excellent choice for most projects.
Other common coatings include:
  • Zinc-coated screws: Zinc-coated screws are an economical and efficient way to avoid rust.
  • Galvanized self-drilling screws: Galvanized self-drilling screws are coated with a heavy layer of zinc to provide corrosion resistance. They are often used in outdoor applications where moisture is present.
  • Black oxide: Black oxide coating provides a low-profile finish and is often used for decorative purposes. It also provides mild corrosion resistance.
  • Epoxy: Epoxy-coated self-drilling screws offer excellent corrosion resistance and are often used in applications where exposure to chemicals and harsh environments is a concern.

Q: What tools are needed to install the Self Drilling Screw?

A: A power drill equipped with an appropriately-sized driver bit is the best tool for installing self-drilling screws. To position the screw correctly, pre-drill a pilot hole with a diameter just smaller than that of the screw. Although not always necessary, creating a pilot hole adds an extra layer of accuracy and strength when installing self-drilling screws.
It's important to note that speed and torque can play a significant role during installation. For wood materials, self-drilling screws work best when driven at a lower speed to avoid splitting the wood. When installing screws in metal materials, a higher speed and torque is required for the screw to effectively penetrate the material without stripping out.‍

Q: Why Are Self-Drilling Screws Used?

A: Self-drilling screws are used in a variety of applications where speed and convenience are important factors. They can be used in wood, plastic, and metal materials with ease and can be used to quickly secure items together without having to pre-drill pilot holes.

Q: What Should You Consider When Deciding Which Self Drilling Screw to Use?

A: Self-drilling screws are available in the same head and drive types as self-tapping screws. You should select your screw type based on the material and finish you require. Below we have outlined some factors to consider when selecting.
Flute Length – The length of the flute determines the thickness of the metal that a self-drilling screw can be used on. The flute is designed to extract the drilled material from the hole. Cutting will cease if the flute becomes blocked. Simply put, if you attach thick pieces of material, you will need a self-drilling screw with a flute to match. If the flute becomes blocked and you take no action the drill point will likely overheat and fail
Drill Point – The drill point refers to the unthreaded section of the screw. When selecting the screw length, you should account for the length of material you are drilling through. If the threads engage before the drill point length is completely through the material it will result in the screw breaking
Winged and Non-Winged – It is necessary to use self-drilling screws with wings when fastening wood over 0.5 inches thick to metal. The wings will ream a clearance hold and keep the threads from engaging too early. When the wings engage with the metal they will break off, allowing the threads to engage in the metal. If the threads engage too early this will separate the two materials
Self-drilling screws are susceptible to the same forces as drill bits. Cutting performance is impacted by the speed and depth of the cut. Make sure to select the correct size screw for your application. This will avoid the drill head melting if too much RPM is applied or snapping if too much pressure is applied. A simple rule of thumb is that small diameter screws can take higher RPM but less force can be used. Transversely, the larger the diameter the lower the RPM, but higher force can be applied.

Q: How Tight Should a Screw Be?

A: Very tight or up to manufacturer torque ratings. Different screw head types allow more or less torque to be applied. You may want to factor this in when choosing which screw head you purchase.

Q: What are the installation tips for Self Drilling Screw?

A: Here are some tips for using self-drilling screws:
To reduce wear on the drill point, fasten using a drill motor rather than an impact driver or hammer drill.
RPMs are critical when driving self-drilling screws. High RPM'S can cause point burnout.
Self-drilling screws should be installed using a variable speed screw gun, not an impact driver.

Q: What is the Hex Flange Head Self Drilling Screw used for?

A: Hex Flange Head Self Drilling Screw can be used for:
Fixing the connection of colored steel sheet on angle, channel, I-beam and C.Z purline in steel structure
Providing a weather tight seal for roofing and cladding applications
Fastening liner panels and general components to steel

Q: What will happen if the Self Drilling Screw is tightened too tight?

A: It's important to note that over-tightening can cause the screw to strip the threads, reducing its holding power. It's also important to ensure that the pilot hole, or hole that the screw is inserted into, is the correct size and shape to ensure proper thread formation and holding power.

Q: Are self drilling screws any good?

A: Self-drilling screws are a popular choice for many applications because they are convenient, versatile, and can save time and labor costs. They are made of hard steel or stainless steel that has been treated to increase its hardness. Stainless steel does not rust and is corrosion free.

Q: Are self-drilling screws OK for wood?

A: Self-drilling screws can be used for a wide variety of applications which involve fastening two different types of materials together. They are commonly used to fasten metal to wood, or even metal to metal.

As one of the leading self drilling screw manufacturers and suppliers in China, we warmly welcome you to buy self drilling screw for sale here and get free sample from our factory. All customized products are with high quality and low price.

DIN967 Handle Screw, Guard Rail Bolt, Self Tapping Screw