S-91390A639 M20 x 90 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 through the hex drive design, ensuring reliable tightening in high-stress applications
- Exceptional hardness and wear resistance with Rockwell C45 hardened alloy steel, extending service life in demanding environments
- Secure and permanent fastening provided by the cup tip, which bites into surfaces to prevent component slippage
- Precise thread engagement with Class 5g6g metric coarse threads, offering consistent performance and easy assembly
- Broad industrial compatibility due to compliance with DIN 916 and ISO 4029 standards, ensuring interchangeability and quality
- Environmental and safety compliance with RoHS 3 and REACH regulations, making it suitable for global supply chains
- Optimized for heavy-duty applications with a 90mm length and M20x2.5mm coarse thread, delivering strong holding power
Professional Applications & Engineering Value
This M20 set screw is engineered to address common industrial challenges such as component loosening under vibration and high loads. Made from alloy steel and hardened to Rockwell C45, it resists deformation and wear in repetitive or high-torque scenarios. The hex headless design allows for flush mounting in confined spaces, while the cup tip ensures a firm grip on shafts or collars, preventing rotational movement. Ideal for machinery, automotive, and heavy equipment, this metric coarse thread screw with right-hand thread direction offers quick installation and reliable performance in industrial set screw applications, reducing maintenance needs and downtime.
Specification Summary & Compliance
This set screw features M20x2.5mm coarse metric thread with Class 5g6g thread fit per ISO standards, ensuring dimensional accuracy and compatibility. It meets DIN 916 and ISO 4029 specifications for manufacturing consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable usage in various industries.
