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Screw Nails

Stop wasting labor on snapped heads and bending.

screw shanks for ultimate, vibration-proof holding power.

Scale your production with Sinsun’s reliable factory capacity.

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Sinsun Factory Direct Screw Nails | Professional Custom Solution for Global Buyers

Sinsun Factory Direct Screw Nails, High-quality, Customizable, Anti-loose & Durable. Suitable for Construction, Furniture & Industrial Use. ISO Certified, Fast Shipping Get a bulk quote!

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Sinsun Fasteners: Not Just a Factory, Your Partner in Holding Power Solutions

Sinsun is a professional screw and nail maker with 18 years' experience exporting. They have set up a full production line that runs from choosing raw materials to checking the finished product. We are more than just a supplier; we are your trusted partner who can help you with all your screw and nail needs.

Our screw nails are produced in accordance with international standards such as DIN and ISO, and have passed CE, ISO and RoHS certifications. They are widely used in construction, furniture, woodworking, industrial equipment and other fields. Whether you need standard size products or customized solutions based on your specific application scenarios, our professional technical team will follow up the whole process—from design and sample making to mass production and logistics, ensuring that the products meet your requirements and the delivery time is on schedule.

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Related Popular Product Categories

Ring Shank Screw Nail

Ring Shank Screw Nail

Contractors who deal with warped floors or loose siding often choose ring-shank nails. This is because their shanks feature unique ring-shaped grooves that act like miniature anchors. Once driven into the wood, the nail interlocks with thefibers. Once secured, it's almost impossible to pull out.
Core Advantage: Unlike smooth nails, which rely solely on friction, ring-shank nails provide mechanical pull-out resistance. Testing shows that they can carry a load 40% higher than that of standard nails with identical specifications.
Spiral Shank Screws Nail

Spiral Shank Screws Nail

Spiral shank nails, also known as screw nails, have a twist all the way down the shank. This twist creates a threaded path through the wood as you drive it. It's like putting in a screw without turning it.
The mechanics: The nail turns slightly as it is inserted because the shaft is twisted. This cuts through threads into the material around it. This gives you withdrawal resistance like a wood screw, but with the speed of a hammer driving.
Common jobs: You'll see these when installing hardwood floors, where holding power is imperative, but pre-drilling every hole slows down the work. Also common in joinery and furniture assembly, where the joints are always under stress.
Pro tip: Spiral nails work great on hardwoods that tend to split when using smooth nails.
Strip Screw Nails

Strip Screw Nails

Paper or plastic tape holds strip nails together, and then they are put in tools that run on gas or air. Strip collation is the norm for crews that use framing or finish nailers all day.
Nails are angled between 20° and 34° by the rigid strip, which ensures that they always enter the tool chamber the same way.
Who uses them? Those who use them include framing crews, who appreciate their speed. It is easy for roofers to control the depth of the roof.When pallets are being assembled in high volumes, strip nails help the linemove more efficiently.
Collated Screw Nails

Collated Screw Nails

The only reason there are collated screw nails, whether in strips or coils, save time. You know how painful it is to load thousands of loose nails into a magazine by hand? Collated packs snap together and are ready to use.
Coils (usually 15°) hold more nails per load than strips. This is great for framing and roofing where you need to cover a lot of ground. It's easier to work with strips in small spaces, like interior trim work.
Sinsun quality mark: We heat-treat our collated strips to ensure they are always the same hardness. The tool bends soft nails, but breaks hard nails. Ours hit the sweet spot.
Stainless Steel Screw Nail

Stainless Steel Screw Nail

Stainless steel isn't about holding things together. The threads on these are the same as our carbon steel nails. You're paying for the metal itself and what it won't do. It won't rust. It won't leave a stain on Cedar or redwood. Five years from now, it won't leave streaks on buildings.
The difference in materials is that we use SS304 for most things and SS316 (marine grade) for the tough stuff. The screw shank design cuts threads into the wood as it drives, giving you a grip that smooth metal nails can't match. The checker pattern on the heads isn't just for looks; it cuts down on glare and helps the nail blend in with the wood grain.
Galvanized Screw Nail

Galvanized Screw Nail

Galvanised screws nail are the nails most commonly used on construction sites. They can withstand rain, moisture, and pressure-treated wood without breaking the bank. Whether a nail lasts one season or ten depends on the thickness and adhesion of its zinc coating.
There are two galvanizing processes: Electrogalvanizing (EG): This process produces a thin, shiny coating that can be used for interior décor, furniture fixtures, or other applications that are not exposed to moisture. Hot-dip galvanized (HDG): A thick, matte-grey coating with a rough texture is a hallmark of hot-dip galvanizing (HDG). This texture indicates that the zinc has alloyed with steel, making it suitable for decking, fencing, and outdoor framing. However, this process does not contribute to structural strength but only provides surface protection.

Technical Parameters

Parameter Name Specifications
Material Carbon Steel (Q235), Stainless Steel (304/316L), Galvanized Steel (Hot-dip Galvanized/Cold Galvanized)
Standard DIN, ISO, ANSI (Customizable according to buyer’s requirements)
Surface Treatment Hot-dip Galvanizing, Cold Galvanizing, Electroplating, Black Oxide, Passivation
Hardness HV 200-250 (Adjustable according to material and application)
Tensile Strength ≥600MPa
Corrosion Resistance Neutral Salt Spray Test ≥ 48-120 Hours (Depends on Surface Treatment)
Certifications CE, ISO 9001, RoHS
Customization Support Size, Material, Surface Treatment, Head Type (Pan Head, Flat Head, Round Head) Customizable

Sinsun Standard Screw Nails Dimensions (Inches)

Size (Gauge) Length (inch) Shank Dia (D, inch) Head Dia (H, inch) Thread Type Coating Pcs/Lb (Approx)
6 2 0.12 0.281 Spiral Bright/EG 140
8 2.5 0.12 0.281 Spiral EG/HDG 120
10 3 0.135 0.312 Spiral HDG/SS304 79
16 3.5 0.162 0.375 Ring HDG 47
20 4 0.177 0.438 Ring HDG 35
16 3 0.148 0.312 Spiral Stainless 316 66

*Note: Custom sizes and packaging (1kg/box, 25kg/carton, bulk bags) available upon request.* 

Best Practices for Installing

Follow these expert tips to make sure you always get a professional finish

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Pre-drilling

Many screw nails can tap themselves, but drilling a pilot hole in hardwoods or metals keeps the material from getting stressed and makes sure the fastener goes in straight.
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Use the Right Tool

If you're working with hard metals, use a drill/driver with a lot of torque. Make sure your nailer or screw gun is set to the right pressure so that you don't sink the fasteners too deep.

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Perpendicular Angle

Drive the fastener straight into the material at a 90-degree angle. Angled fasteners make things less secure and can break the head off.

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Check the environment

Always use stainless steel or hot-dipped galvanized fasteners for outdoor projects to keep the wood from rusting and getting black stains.

Customer Feedback

user89
"We've been buying screw nails from Sinsun for two years and they've never let us down." The galvanized screw nails we ordered are very resistant to rust. Even when used in outdoor construction projects, they haven't rusted for over a year. What I like most is that they always deliver on time. Once we had an urgent order for a construction project, they changed their production schedule and delivered the goods three days early. This helped us avoid project delays. Their customer service is also very quick, answering all our questions within two hours. I highly recommend them."
John Smith (US Construction Material Buyer)
user131
"As a furniture maker, we need screw nails that are the right size, have a sharp point, and hold things together well." SINSUN'S wooden screw nails are just right for us. The threads are smooth, which makes them easy and quick to install, saving us a lot of money on labor. We once needed flat head screw nails in a custom size, and their technical team sent us a sample in four days. The quality of mass production was the same as sample. They are the suppliers we trust the most. "
Maria Garcia（European furniture maker）
user130
"I’ve compared many screw and nail suppliers, and Sinsun is the most reliable one. Their products have stable quality, and the price is more competitive than other manufacturers because they are directly factory. Stainless steel screw nails sell very well in our market. There is praise for the durability of these products as well as their anti-rust performanceSinsun also provides flexible minimum order quantities, which is very friendly for small and medium-sized dealers like us. We will continue to cooperate with them."
Lee Wei (Southeast Asian Hardware Dealer)

Frequently Asked Questions (FAQ)

Q
What kinds of materials do your screw nails use? Can I choose different materials based on what I need?
Most of our screw nails are made from carbon steel, 304/316L stainless steel, or galvanized steel. You can pick the best material for your needs. For example, stainless steel is best for wet or outdoor areas, while carbon steel is suitable for most indoor uses. We can also make things to your exact specifications if you require it. If you have any questions, just send us a message.
Q
Do you let people change the size and type of screw nails? How long does the customization cycle last?
Yes, we fully support changing the size, head type, surface treatment, and other settings. The time it takes to make a sample for customization is 3 to 5 days, and the time it takes to make a large quantity of them is 7 to 15 days. These times can change based on how many you order and how complex the customization is. You can tell us exactly what you need, and our technical team will provide you a detailed plan and timeline for customizing it.
Q
How is a screw nail different from a regular screw?
You can drive a screw nail with a hammer or nail gun, but it needs threads to hold it in place. To put a regular screw, you need a screwdriver.
Q
Can I use screw nails outside?
Yes, but you need the right material. For outdoor use, choose galvanized or stainless steel screw nails that handle moisture and humidity.
Q
Do I require a wall plug to use screw nails in brick?
It depends on what you're buying. To hold the masonry, standard screw nails require a plastic wall plug (anchor). But some types of "masonry screws" or "hammer-in anchors" cut right into the block without a plug.
Q
What does "collad" mean?
Collated fasteners are put together in strips or coils to be used in automatic feeding tools like nail guns and screw guns. This makes installation quick because you don't have to load each fastener by hand.

Inquiry Guide

Send Us an Inquiry Now, Get Exclusive Benefits:

1. Free product samples + complete test reports

2. 1-on-1 professional technical consultation and customization plan

3. Preferential factory direct price for bulk purchase + priority delivery

4. Professional after-sales service, solving your problems at any time

Sinsun has 18 years of experience in exporting screw nails. We know your needs and can provide you with the most suitable solutions. Let’s win the global market together!

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