4.2 18-8 Stainless Steel SS Flange Pan Head Drilling Screw With EPDM Washer DIN7504
Product Specifications
| Attribute | Value |
| Head Type | Button Head |
| Application | Construction, woodworking, metalworking |
| Point Type | Sharp |
| Durability | Long-lasting |
| Corrosion Resistance | Yes |
| Type | Screw |
| Thread Type | Coarse |
| Strength | High |
| Usage | Fastening |
| Package Quantity | 100 pieces per pack |
| Size | Various sizes available |
| Finish | Zinc plated |
| Drive Type | Phillips |
| Material | Metal |
Product Description
M4 4.2 6.3 Tapping Screw Carbon Steel Galvanized Zinc Plated Q235 ASTM A325
Stainless Steel Grades
Stainless steels like SUS304, 304L, 316, and their variants are renowned for their high resistance to corrosion, making them ideal for environments exposed to moisture, chemicals, or varying temperatures. 304 and 304L stainless steels are commonly used in general applications, while 316 and 316L, with added molybdenum, offer enhanced resistance to chlorides and acids, suitable for marine and chemical environments.
Maintenance Tips
Regularly clean stainless steel components to avoid surface contamination that can lead to rust. A simple wipe-down with a mild detergent and water is often sufficient, followed by a rinse and drying. Avoid contact with chlorides or harsh chemicals that can cause pitting or staining, especially in grades like 316.
Industry Applications
- Medical and Pharmaceutical: Used in surgical instruments, implants, and sanitary tubing
- Food Processing: 304 and 316 stainless steels for food-grade equipment
- Chemical Processing: 316L and 316Ti for harsh chemical environments
- Marine: 316 and 316L for saltwater corrosion resistance
- Automotive and Aerospace: 410 and 420 grades for high-strength applications
Product Images
Frequently Asked Questions
Q1: Are you a factory or a trading company?
We are a professional manufacturer with our own factory.
Q2: Could you offer samples for testing?
Yes, sample orders are welcome.
Q3: How can I get the cargo?
With over 17 years of export experience, we can deliver to your closest port or warehouse directly.
Q4: How can I know how my order is being done?
Our process: 30% deposit → production → photo confirmation → inspection → shipment booking → ETD/ETA notification → balance payment → loading → document delivery.
Q5: Can I visit your factory?
Yes, we welcome visits. Please contact us to arrange an appointment and transportation.
Q6: What is your minimum order quantity?
MOQ varies by item. We accept sample orders, LCL shipments, and can accommodate single-piece orders for projects.