Tianjin Xrf Carbon Steel Countersunk Self Drilling Screws for Construction Industry

• Material: Carbon Steel
• Groove: Cross
• Connection: Common Bolt
• Standard: DIN, GB, ANSI, BSW
• Product: Countersunk Self Drilling Screws
• Color: White,Yellow, OEM
• Model NO.: XRFS018
• Drive: OEM
• Thread Diameter: 3.5mm, 3.9mm, 4.2mm, 4.8mm
• Length: From 13mm to 150mm, Accepts Customization
• Package: Woven Bag, White Box, Color Box, Carton, Tray
• Transport Package: Bag/Box/Carton, OEM
• Specification: More t han 20 Size
• Origin: Tianjin
• HS Code: 7318140000
• Production Capacity: 2000000ton/Year

Product Description

Product Description

Import Notice When You Use the Countersunk Self Drilling Screws
1. The drill point must be harder than the material being drilled.
2. Use a standard impact driver to install.
3. Install screws at medium speed; faster speed may damage the drill tip.
4. Pre-drilling during installation is normally not necessary.
5. Not for tempered steel. Avoid welded seams.
The picture shows the  screws with TYPE 17 Tail

Various Size
Our screws span from 3.5mm to 5.5mm in diameter and 13mm to 150mm in length, with customizable options. Versatile and precise, these countersunk self drilling screws are suitable for diverse applications, ensuring your projects meet exact specifications.

Different Treatment/Color:
Our screws offer various surface treatments, including Phosphate, Zinc-Plated, Ruspert, Painting, etc. with a range of colors available. These countersunk self drilling screws allows for customization based on aesthetic preferences and environmental requirements, ensuring a seamless integration into your projects.


Fully Threaded
Stainless steel self-drilling screws with countersunk heads are fully threaded for excellent retention. Use the countersunk self drilling screws to fasten materials to aluminum or sheet metal without the need for pilot holes.


 

 

Certifications

 

 

 

FAQ

Q: Are you a factory or a trading company?
A: We are a professional manufacturer with over 20 years of production experience. Our products are affordably priced, of superior quality, and have strict delivery schedules. Whether you are undertaking home renovations or large-scale construction projects, our screws can meet your needs. Welcome to choose our products.

Q: What are the sizes of these screws?
A: Our countersunk self drilling screws come in various sizes, typically with specifications for diameter (3.5mm, 3.9mm, 4.2mm, 4.8mm, and length (from 13mm to 150mm), and customized is accepted.

Q3: How can I pay for my order?
A: Usually T/T or credit card.

Q4: What are these screws made of?
A: Our countersunk self drilling screws  are usually made of high-quality carbon steel or stainless steel, offering excellent durability and corrosion resistance.

Q5: What projects are these screws suitable for?
A: Countersunk self drilling screws are suitable for various projects such as home renovations, construction projects, and furniture assembly.