S-91390A149 M8 x 35 mm DIN 916, ISO 4029 Set Screws
Set Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior holding power with Rockwell C45 hardness alloy steel construction, ensuring long-term reliability in demanding applications
- Precise Class 5g6g thread fit guarantees consistent engagement and reduces the risk of loosening under vibration
- Coarse 1.25mm pitch threads enable faster installation and provide excellent grip in softer materials
- Headless hex drive design with 4mm key allows for flush mounting and access in confined spaces
- Cup point tip bites securely into shafts and components, preventing slippage and maintaining positional accuracy
- Full compliance with DIN 916/ISO 4029 standards ensures dimensional accuracy and interchangeability
- RoHS 3 and REACH compliant for environmentally responsible and safe use in global markets
Professional Applications & Engineering Value
This M8 set screw is engineered to address critical challenges in industrial assembly, where vibration resistance and secure fastening are paramount. The alloy steel material, hardened to Rockwell C45, provides exceptional shear strength and durability, preventing failure under heavy loads. Its headless design with a 4mm hex drive is ideal for applications requiring a flush surface, such as securing pulleys, gears, and collars on rotating shafts. The coarse metric thread (1.25mm pitch) ensures quick installation and reliable performance in both metal and composite materials, making it a versatile choice for machinery, automotive, and automation systems. This screw delivers consistent engineering value by maintaining precise alignment and resisting loosening in high-stress environments.
Specification Summary & Compliance
This metric set screw features an M8 x 1.25mm thread with a Class 5g6g tolerance for precise thread fit. It is manufactured in accordance with DIN 916 / ISO 4029 specifications, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industrial and international markets.
