Global Fastening Customization Solutions Supplier
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Products
Hex Washer Head Self-Drilling Screws
Product Description
| Product Name | Hex Washer Head Self Drilling Screw |
| Material | Made from 304 stainless steel, these screws have good chemical resistance and may be mildly magnetic. They are also known as A2 stainless steel. |
| Head Type | Hex |
| Length | Is measured from under the flange |
| Head height | Includes the flange |
| Application | A self-drilling screw has a drill bit point that eliminates separate drilling and tapping operations for faster, more economical installations. The drill point allows these drill screws to be installed into steel base materials up to 1/2" thick. Self-drilling screws are available in a variety of head styles, thread lengths, and drill flute lengths for screw diameters #6 thru 5/16"-18. |
| Standard | Screws that meet ASME or DIN7504K with standards for dimensions. |
Key Features
1. Hex Washer Head Design: Ensures easy and secure fastening with a strong grip, allowing for high torque application without slippage.
2. Self-Drilling Tip: Eliminates the need for pre-drilling, saving time and effort during installation.
3. High-Quality Material: Made from premium-grade materials for enhanced durability and corrosion resistance.
4. Wide Range of Sizes: Available in multiple sizes to meet diverse fastening requirements.
5. Versatile Applications: Suitable for use in metal, wood, and other construction materials.
Advantages
1. Time-Saving: The self-drilling feature reduces installation time by eliminating the need for pilot holes.
2. Cost-Effective: Durable material and design ensure long-lasting performance, reducing the frequency of replacements.
3. Ease of Use: The hex washer head allows for easy handling and installation, even in tight spaces.
4. Reliable Performance: Consistent drilling and fastening performance across various materials and applications.
| Thread Size | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | (ST5.5) | ST6.3 | ||
| P | Pitch | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| a | max | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| c | min | 0.4 | 0.6 | 0.6 | 0.8 | 0.9 | 1 | 1 | |
| dc | max | 6.3 | 8.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 | |
| min | 5.8 | 7.6 | 7.6 | 8.1 | 9.8 | 10 | 12.2 | ||
| e | min | 4.28 | 5.96 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 | |
| k | max | 2.8 | 3.4 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 | |
| min | 2.5 | 3 | 3 | 3.6 | 3.8 | 4.8 | 5.3 | ||
| kw | min | 1.3 | 1.5 | 1.5 | 1.8 | 2.2 | 2.7 | 3.1 | |
| r | max | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | |
| s | max | 4 | 5.5 | 5.5 | 7 | 8 | 8 | 10 | |
| min | 3.82 | 5.32 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 | ||
| dp | 2.3 | 2.8 | 3.1 | 3.6 | 4.1 | 4.8 | 5.8 | ||
| Drilling range(thickness) | 0.7~1.9 | 0.7~2.25 | 0.7~2.4 | 1.75~3 | 1.75~4.4 | 1.75~5.25 | 2~6 | ||
