China OEM China Self-Drilling Screws Pan Head/Self-Drilling Screws Modified Truss Head /Self-Drilling Screws Hex Head/Self-Drilling Screws Pan Framing Head Csk Head
We have our own product sales staff, style crew, technical group, QC staff and package staff. We now have strict high quality management procedures for each approach. Also, all of our workers are experienced in printing subject for China OEM China Self-Drilling Screws Pan Head/Self-Drilling Screws Modified Truss Head /Self-Drilling Screws Hex Head/Self-Drilling Screws Pan Framing Head Csk Head, Our company has been devoting that “customer first” and committed to helping clients expand their organization, so that they become the Big Boss !
We have our own product sales staff, style crew, technical group, QC staff and package staff. We now have strict high quality management procedures for each approach. Also, all of our workers are experienced in printing subject for China Csk Head, self drilling screw, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we have been working hard to provide you the wholehearted service and willing to present you the most competitive price in the market
What is Countersunk Self-Drilling Screws?
Countersunk self-drilling screws are a type of screw used in a variety of fastening and fixing applications. they are produced in hardened carbon steel with bright zinc plated surface treatment. It is equipped with countersunk head. Typically made from stainless steel, countersunk self-drilling screws are characterized by their drill-shaped point. This point enables the screws to drill into materials without the need for pre-drilled pilot holes, resulting in a more efficient fastening process.
Countersunk self-drilling screws come in a variety of sub types, including different sizes. They are also available both with and without wings, providing a greater degree of flexibility for various projects.
Size
Screw head type
product features
Differences Between Self-drilling Screws and Self-tapping Screws?
Although they may sound similar and have strong resemblances in their physical appearance, self-tapping screws and self-drilling screws should not be confused. The two terms are often used interchangeably, but in fact, these are two different types of screw. Their differences are important when it comes to best uses and most suitable applications, so you should not be tempted to use one in place of the other as this could result in a weaker joint between materials.
Self-tapping screws tap their own threads but are unable to drill through materials like a sheet of metal. In this case, self-tapping screws would require a pilot hole. However, self-drilling screws feature a pointed drill bit on the screw, negating the need for a pilot hole as the screw can cut its own thread into the material. These screws are more versatile as they are also able to tap, similarly to self-tapping screws. This makes self-drilling screws highly adaptable and ideal for working with a wider range of materials in different environments and industries.
Applications
Countersunk self-drilling screws are engineered to be corrosion resistant and come in various sizes and materials. Depending on the size, the applications of the countersunk self-drilling screws can vary – the smaller screws are used in applications like fixing thin gauge metals and fixing metal to wood. The larger screws are used in roofing and other industries which require self-drilling through tough metals. Our screws come in stainless steel, alloy steel, carbon steel and other materials which prevents corrosion.
If the counersunk self-drilling screws are used in extremely hard materials, it is advised to use it after a pilot hole has been drilled. Our screws are case hardened and heat-treated for applications requiring fastening of soft materials on hard ones. With a lower installation torque, the threads on these screws allow for a quick transition from drilling to tapping. For effective penetration, make sure that at least three threads of the fastener are inside the material.
Product Parameters
| Product name | Cross recessed CSK self-drilling screws |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc |
| Size | M2-M24, or non-standard as request&design |
| Material | Stainless Steel SS201, SS303, SS304, SS316, SS410, SS420 |
| SteelC45(K1045), C46(K1046),C20,etc | |
| BrassC36000 ( C26800), C37700 ( HPb59), C38500( HPb58)etc. | |
| Bronze C51000, C52100, C54400, etc. | |
| Iron 1213, 12L14,1215,etc. | |
| Aluminum Al6061, Al6063, etc. | |
| Alloy steel SCM435,10B21, C1033,etc. | |
| Carbon steel C1006,C1010,C1018,C1022,C1035K,12L14,etc. | |
| Non-standards | OEM is available, according to drawing or samples |
Packaging and Shipment
Our Market
Our Customers
We have our own product sales staff, style crew, technical group, QC staff and package staff. We now have strict high quality management procedures for each approach. Also, all of our workers are experienced in printing subject for China OEM China Self-Drilling Screws Pan Head/Self-Drilling Screws Modified Truss Head /Self-Drilling Screws Hex Head/Self-Drilling Screws Pan Framing Head Csk Head, Our company has been devoting that “customer first” and committed to helping clients expand their organization, so that they become the Big Boss !
China OEM China Csk Head, Hex Head, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we have been working hard to provide you the wholehearted service and willing to present you the most competitive price in the market
