S-91390A636 M20 x 55 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 torque transmission with a 10 mm hex drive design, ensuring reliable tightening in high-stress applications.
- Exceptional durability and wear resistance from alloy steel construction with Rockwell C45 hardness, extending service life in demanding environments.
- Precise and secure fastening with Class 5g6g thread fit and M20 coarse thread pitch, reducing the risk of loosening under vibration.
- Versatile headless design allowing flush mounting in assemblies where space is limited, ideal for machinery and equipment.
- Enhanced grip and alignment with a cup tip, providing better contact and reducing surface damage during installation.
- Compliance with international standards including DIN 916 and ISO 4029, ensuring consistent quality and interchangeability.
- Environmentally responsible manufacturing with full RoHS 3 and REACH compliance, meeting strict regulatory requirements for industrial use.
Professional Applications & Engineering Value
This M20 set screw is engineered from high-strength alloy steel to address common industrial challenges such as component slippage and fatigue under heavy loads. The coarse thread with a 2.5 mm pitch and Class 5g6g thread fit ensures quick assembly and robust holding power, minimizing downtime in production lines. Its headless and hex drive design allows for seamless integration into tight spaces, while the cup tip enhances clamping force without marring surfaces. Ideal for heavy-duty fastening in machinery, automotive, and construction sectors, this metric set screw delivers reliable performance where vibration resistance and long-term durability are critical.
Specification Summary & Compliance
This set screw features precise metric dimensions: M20 thread size with a 2.5 mm coarse pitch and 55 mm length, manufactured to Class 5g6g thread tolerances for consistent fit. It conforms to DIN 916 and ISO 4029 standards, ensuring adherence to rigorous engineering specifications. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting sustainable and safe industrial practices.
