Stainless Self-Tapping Screw Introduction
Stainless steel self-tapping screws are versatile stainless steel fasteners designed to simplify installation and enhance the aesthetics of various products. AGICO will show you different types of stainless steel self-tapping screws, their applications, material options, and benefits.
Types of Stainless Steel Self-Tapping Screws:
Stainless Steel Flat Head Self-Tapping Screws
| Dimension | M3 | M4 | M5 | M6 |
|---|---|---|---|---|
| Pitch | 0.5 | 0.7 | 0.8 | 1.0 |
| Round Head Diameter | 6.9 | 9.4 | 11.8 | 14 |
| Head Thickness | 2.05 | 2.65 | 3.25 | 3.9 |
| Slot Number | 1 | 2 | 2 | 3 |
Stainless steel flat-head self-tapping screws are a popular choice for seamless installation. Crafted from SUS201, SUS304, or SUS316, these screws eliminate the need for additional surface treatment. They are ideal for materials such as plastic and thin metal sheets where aesthetics are paramount.
Stainless Steel Countersunk Self-Tapping Screws
| Dimension | ST2.9 | ST3.5 | ST3.9 | ST4.2 | ST4.8 | ST5.5 | ST6.3 |
| Pitch | 1.1 | 1.3 | 1.4 | 1.4 | 1.6 | 1.8 | 1.8 |
| Round Head Diameter | 5.5 | 7.3 | 7.5 | 8.4 | 9.3 | 10.3 | 11.3 |
| Head Thickness | 1.9 | 2.6 | 2.8 | 3.0 | 3.2 | 3.4 | 3.5 |
| Slot Number | 1 | 2 | 2 | 2 | 2 | 3 | 3 |
Also known as flat-head self-tapping screws, these screws feature unique threading that eliminates the need for nuts during installation. The “ST” marking signifies their self-tapping nature. Their flush appearance after structure ensures a smooth finish, making them suitable for non-metal and thin materials.
Stainless Steel Crosshead Countersunk Self-Tapping Screws
| Dimension | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 |
| Pitch | 0.40 | 0.45 | 0.50 | 0.70 | 0.80 | 1.00 | 1.25 |
| Round Head Diameter | 3.8 | 4.7 | 5.5 | 8.4 | 9.3 | 11.3 | 15.8 |
| Head Thickness | 1.2 | 1.5 | 1.65 | 2.7 | 2.7 | *3.6 | *5.2 |
| Slot Number | 0 | 1 | 2 | 2 | 2 | 3 | 4 |
Featuring heads that align seamlessly with surfaces, these screws are employed to securely connect various profiles. Crafted from SUS304 and SUS316, they provide a polished appearance and are available in standard and custom sizes.
Stainless Steel Countersunk Self-Tapping Self-Drilling Screws
| Dimension | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 |
| Pitch | 0.40 | 0.45 | 0.50 | 0.70 | 0.80 | 1.00 | 1.25 |
| Round Head Diameter | 3.8 | 4.7 | 5.5 | 8.4 | 9.3 | 11.3 | 15.8 |
| Head Thickness | 1.2 | 1.5 | 1.65 | 2.7 | 2.7 | *3.6 | *5.2 |
| Slot Number | 0 | 1 | 2 | 2 | 2 | 3 | 4 |
Perfect for demanding applications, these screws create a level surface after installation, suitable for high-quality products. Material options include 304 stainless steel for softer materials and 410 stainless steel for tougher ones.
Crosshead Pan Head Self-Tapping Self-Drilling Screws
| Dimension | ST2.9 | ST3.5 | ST3.9 | ST4.2 | ST4.8 | ST5.5 | ST6.3 |
| Pitch | 1.1 | 1.3 | 1.4 | 1.4 | 1.6 | 1.8 | 1.8 |
| Round Head Diameter | 5.6 | 7 | 7.5 | 8 | 9.5 | 11 | 12 |
| Head Thickness | 2.4 | 2.6 | 2.8 | 3.1 | 3.7 | 4 | 4.6 |
| Slot Number | 1 | 2 | 2 | 2 | 2 | 3 | 3 |
Crafted from SUS304 and heat-treatable SUS410 materials, these screws efficiently connect thin plates without pre-drilling. They are tailored for softer and tougher materials, providing a quick and effective installation process.
Round Head Self-Tapping Self-Drilling Screws
Designed with a washer face to minimize damage to product surfaces, these screws come in SUS304 and SUS410 options. Their round head design offers the same benefits as countersunk self-tapping self-drilling screws.
Advantages of Stainless Steel Self-tapping Screw
Stainless steel self-tapping screws find application in various industries, such as construction, automotive, electronics, and more. The advantages include:
- Simplified installation process
- Aesthetic appeal with flush or aligned heads
- Versatility for different material types
- Reliable self-locking capabilities
- Customization options for specific requirements
Stainless steel self-tapping screws offer a wide range of options to enhance installation efficiency and product aesthetics. Understanding the various types, applications, and material choices allows you to select the ideal screws for your specific needs, ensuring secure connections and a polished finish. If you are looking for stainless steel self-tapping screw supplier, contact AGICO for latest price and more details now
