S-99642A151 M8 x 40 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 5g6g thread fit ensuring precise, secure fastening in demanding applications
• Excellent durability and wear resistance provided by Alloy Steel construction with Rockwell C45 hardness
• Reliable fine pitch threading (1mm) delivers enhanced adjustment precision and vibration resistance
• Optimized for confined spaces with a headless hex drive design and compact 4mm drive size
• Cup tip design ensures positive seating and minimizes component surface damage
• Full compliance with DIN 916/ISO 4029 standards guarantees consistent quality and interchangeability
• Safe for regulated industries with RoHS 3 and REACH compliance, meeting environmental and safety directives

Professional Applications & Engineering Value

This M8 x 1mm fine pitch set screw is engineered to address critical challenges in precision assembly and machinery. The alloy steel construction, hardened to Rockwell C45, provides exceptional shear strength and fatigue resistance, making it ideal for high-stress applications like motor shafts, gear assemblies, and precision tooling. The headless hex drive and cup tip design allow for flush mounting and secure positioning without protruding parts, preventing interference in compact mechanical systems. Its fine pitch metric thread and Class 5g6g thread fit ensure minimal backlash and superior vibration resistance, crucial for maintaining alignment in dynamic industrial environments. Fully compliant with DIN 916 and ISO 4029, this screw delivers reliable performance in automation, automotive, and heavy equipment sectors where precision and durability are paramount.

Specification Summary & Compliance

This set screw features an M8 x 1mm fine pitch thread with Class 5g6g thread fit per ISO metric standards, ensuring tight tolerances and reliable engagement. The 40mm length and 4mm hex drive provide consistent installation torque. Manufactured to meet DIN 916 and ISO 4029 specifications, it guarantees dimensional accuracy and performance repeatability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industrial applications.