S-99642A166 M10 x 25 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with cup tip design that bites into surfaces for secure, vibration-resistant fastening
• Exceptional thread precision with extra fine 1mm pitch and Class 5g6g fit ensuring tight, reliable engagement in precision applications
• High-strength durability from alloy steel construction with Rockwell C45 hardness for long-lasting performance under heavy loads
• Space-saving headless design allowing flush mounting where clearance is limited
• Easy installation and removal with standardized 5mm hex drive compatible with common industrial tools
• Corrosion-resistant performance meeting strict RoHS 3 and REACH environmental compliance standards
• Right-hand thread orientation providing familiar, intuitive installation for maintenance personnel

Professional Applications & Engineering Value

This M10 set screw with extra fine thread configuration delivers critical engineering advantages in applications requiring precise axial positioning and minimal backlash. The alloy steel construction with Rockwell C45 hardness ensures reliable performance in high-stress environments where standard fasteners might fail. The cup tip design creates superior gripping action on shafts and components, preventing slippage in rotating assemblies and precision machinery. Manufactured to DIN 916/ISO 4029 standards, these metric set screws provide consistent dimensional accuracy for interchangeable use in European and international equipment. The headless configuration with hex drive installation makes them ideal for confined spaces in industrial automation, machinery manufacturing, and precision instrument assembly where reliable, flush-mount fastening is essential.

Specification Summary & Compliance

This M10 x 1mm extra fine thread set screw features precise Class 5g6g thread fit according to ISO metric standards, ensuring tight tolerances for critical applications. The 25mm length with cup tip and 5mm hex drive conforms to DIN 916 ISO 4029 manufacturing specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest substance restriction requirements for industrial use across global markets.