Sirius Countersunk Machine Screw Pozi A4 316 Stainless Steel

The Sirius Countersunk Machine Screw Pozi A4 316 Stainless Steel is a premium-quality fixing designed to provide a secure threaded connection with a flush, professional finish. Manufactured from A4 316 stainless steel, these screws offer exceptional resistance to corrosion, saltwater and harsh chemicals — ideal for marine, coastal, industrial and outdoor applications.

The countersunk head sits flush with the surface once installed, creating a smooth, unobtrusive finish where appearance and safety matter. The Pozidriv (Pozi) drive offers improved engagement over slotted screws, reducing cam-out and allowing higher tightening torque. Precision metric threads ensure compatibility with tapped holes and matching metric nuts. Available in M3, M4, M5 and M6 diameters, with lengths ranging from 6mm to 40mm.

Features and Benefits:
• Manufactured from premium A4 316 stainless steel
• Exceptional resistance to corrosion, saltwater and chemicals
• Countersunk head provides a flush, professional finish
• Pozidriv (Pozi) drive offers improved grip and reduced cam-out
• Precision metric threads for secure and reliable fastening
• Compatible with matching metric nuts and threaded components
• Suitable for marine, industrial and outdoor environments
• Long-lasting, maintenance-free finish
• Ideal for professional and DIY use