China Hexagon socket coutersunk head screw DIN7991 Supplier, Factory

Product Description

Product Name
DIN7991 Hexagon socket countersunk head screw
Standard Compliance
DIN, ISO, JIS, AISI
Available Sizes
M3 - M12
Material Options
304 Stainless Steel, 316 Stainless Steel, Carbon Steel
Frequently Asked Questions
Q: What is a DIN7991 screw?

A: It is a high-strength hexagon socket countersunk head screw designed for applications where a flush surface finish is required.

Q: What materials are available for these screws?

A: These screws are available in 304 Stainless Steel (304SS), 316 Stainless Steel (316SS), and high-quality Carbon Steel to suit different environmental requirements.

Q: Which international standards do your screws follow?

A: Our products comply with multiple international standards, including DIN, ISO, JIS, and AISI, ensuring global compatibility and quality.

Q: What is the size range for the hexagon socket countersunk head screw?

A: We offer a wide range of sizes starting from M3 up to M12 to meet various industrial and mechanical assembly needs.

Q: Why choose a hexagon socket drive for countersunk screws?

A: The hexagon socket drive allows for higher torque application compared to traditional slotted or Phillips drives, reducing the risk of cam-out during installation.

Q: Are 316SS screws suitable for marine environments?

A: Yes, 316 Stainless Steel offers superior corrosion resistance, making it an ideal choice for marine, chemical, and coastal applications.

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