S-98625A543 M3 x 33 mm Set Screws

Key Features & Benefits at a Glance

• Superior holding power with ultra-fine 0.25mm pitch threads that create maximum surface contact and resistance to vibration loosening
• Excellent corrosion resistance provided by 303 stainless steel construction, ideal for demanding industrial environments
• Secure installation and removal with the 1.5mm hex drive that prevents tool slippage and damage to the fastener
• Precise thread engagement ensured by Class 6g thread fit tolerance for reliable performance in precision assemblies
• Enhanced gripping capability from the alloy steel ball tip that creates positive locking action on shaft components
• Space-saving headless design allows for flush mounting in applications where protruding fasteners are not feasible
• Regulatory compliance assurance with RoHS 3 and REACH standards for use in regulated industries and global markets

Professional Applications & Engineering Value

This ultra fine pitch M3 set screw delivers exceptional engineering value in applications requiring precise component positioning and vibration resistance. The 303 stainless steel construction provides excellent machinability and corrosion resistance, making it ideal for precision instruments, optical equipment, and medical devices where material integrity is critical. The Class 6g thread fit ensures consistent engagement in tapped holes, while the alloy steel ball tip creates concentrated pressure points for superior holding power on shafts and rotating components. The headless design with hex drive allows for compact assemblies and reliable torque application in confined spaces. These metric set screws are particularly valuable in precision manufacturing, automation systems, and electronic enclosures where minute adjustments and secure fastening are essential for optimal performance.

Specification Summary & Compliance

This precision M3 set screw features a 0.25mm ultra-fine thread pitch with Class 6g thread fit per ISO metric standards, ensuring precise dimensional accuracy and reliable performance. The 33mm length and 1.5mm hex drive provide consistent installation characteristics. The product is manufactured from 303 stainless steel with an alloy steel ball tip and complies with RoHS 3 (2015/863/EU) with exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial applications.