S-91390A138 M6 x 35 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with the cup point design that bites into mating surfaces to prevent loosening under vibration and torque.
• Exceptional strength and durability provided by alloy steel construction and a Rockwell C45 hardness rating, ensuring long-term reliability in demanding applications.
• Precise and reliable fit due to the Class 5g6g thread tolerance, offering consistent performance and ease of assembly.
• Secure and efficient installation enabled by the 3mm hex drive and headless design, allowing for flush mounting in tight spaces.
• Broad industrial compatibility with the standard M6 x 1mm coarse right-hand metric thread, making it a versatile component for various machinery and equipment.
• Guaranteed quality and safety through compliance with DIN 916/ISO 4029 standards, ensuring dimensional accuracy and performance consistency.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This alloy steel set screw is engineered to solve critical fastening challenges in industrial settings where vibration resistance and positional security are paramount. The cup point concentrates pressure to create a permanent, non-slip grip on shafts, gears, and collars, preventing axial movement without damaging the component. Its M6 coarse thread and Class 5g6g fit ensure quick assembly and a secure hold, even in high-stress environments. The headless design and 3mm hex drive facilitate installation in confined spaces, making it ideal for precision machinery, automotive assemblies, and production equipment where reliability cannot be compromised. Manufactured to DIN 916/ISO 4029 specifications, it delivers consistent performance for engineers seeking a durable, compliant metric fastener.

Specification Summary & Compliance

This set screw features an M6 x 1mm coarse metric thread with a Class 5g6g tolerance for precise fit. It is manufactured from alloy steel to a hardness of Rockwell C45 and complies with the dimensional and mechanical requirements of DIN 916 and ISO 4029. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations.