S-91390A643 M20 x 200 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
- Exceptional holding power with M20 coarse thread and 200mm length for secure fastening in demanding applications
- Superior mechanical strength from alloy steel construction with Rockwell C45 hardness for reliable performance under heavy loads
- Precise thread engagement with Class 5g6g thread fit ensuring consistent installation and vibration resistance
- Optimized installation efficiency through hex drive design providing maximum torque transfer and tool accessibility
- Enhanced grip and positioning with cup tip design creating positive contact points on mating surfaces
- Industry standard compliance with DIN 916/ISO 4029 specifications guaranteeing dimensional accuracy and interchangeability
- Environmental responsibility through RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This high-strength alloy steel set screw delivers exceptional performance in heavy-duty mechanical assemblies where vibration resistance and permanent positioning are critical. The M20 coarse thread with Class 5g6g tolerance ensures reliable engagement in demanding applications such as industrial machinery, power transmission systems, and precision equipment. The headless design with hex drive allows for flush mounting in confined spaces while providing maximum torque capability. The cup tip configuration creates concentrated pressure points that prevent slippage and maintain precise component alignment. Engineered to DIN 916 and ISO 4029 standards, this metric set screw offers consistent dimensional accuracy across industrial applications, supported by Rockwell C45 hardness for long-term durability in high-stress environments.
Specification Summary & Compliance
This metric set screw features M20x2.5 coarse thread with Class 5g6g thread fit per ISO standards, ensuring precise dimensional tolerance for reliable performance. Manufactured to DIN 916 specifications (equivalent to ISO 4029) with 200mm length and 10mm hex drive size. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for use across various industrial sectors with strict material requirements.
