S-91390A701 M2 x 2.5 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 cup tip design that bites into mating surfaces for secure, permanent fastening
- Exceptional durability provided by alloy steel construction with Rockwell C45 hardness for long service life
- Precise thread engagement with Class 5g6g thread fit ensuring reliable performance in demanding applications
- Space-saving headless design that allows for flush mounting where clearance is limited
- Easy installation and removal with hex drive configuration requiring minimal tool access
- Reliable coarse thread spacing that resists loosening under vibration and dynamic loads
- Environmental compliance meeting RoHS 3 and REACH regulations for safe use across industries
Professional Applications & Engineering Value
This M2 set screw delivers critical engineering value in applications requiring compact, high-strength fastening solutions. The alloy steel construction with Rockwell C45 hardness provides excellent resistance to wear and deformation, while the cup tip design creates positive locking action that prevents component slippage in precision assemblies. The headless hex drive configuration enables installation in confined spaces typical of machinery, automotive components, and electronic enclosures where traditional fasteners cannot be accommodated. With Class 5g6g thread fit and coarse thread spacing, this metric set screw maintains secure positioning even under sustained vibration, making it ideal for motor mounts, gear assemblies, and precision instruments where reliability is paramount.
Specification Summary & Compliance
This set screw features M2 x 0.4 mm thread specifications with Class 5g6g thread fit per ISO metric standards, ensuring precise dimensional accuracy and interchangeability. Manufactured in compliance with DIN 916 and ISO 4029 specifications, the fastener delivers consistent performance across industrial applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for use in regulated industries and international markets.
