S-91385A423 M8 x 8 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
- Vibration-resistant locking with permanent nylon patch that maintains secure fastening in high-stress environments
- Superior corrosion protection through black-oxide surface treatment extending service life in demanding conditions
- Precision thread engagement with Class 5g6g tolerance ensuring reliable fit and consistent clamping force
- High-strength performance from Rockwell C45 hardened alloy steel providing excellent durability and load capacity
- Temperature-resistant locking capable of withstanding extreme conditions from -50° to 250°F without compromising hold
- Space-saving headless design allowing flush mounting where clearance is limited
- Quick installation with 4mm hex drive enabling efficient assembly and disassembly with standard tools
Professional Applications & Engineering Value
This M8 set screw with nylon patch thread locker addresses critical vibration-induced loosening in industrial machinery, automotive components, and precision equipment. The black-oxide alloy steel construction provides enhanced corrosion resistance while maintaining the Rockwell C45 hardness required for repeated torque applications. The cup point design creates permanent dimpling in mating surfaces, ensuring positive mechanical locking that complements the chemical bonding of the high-temperature thread locker. Engineered to DIN 916/ISO 4029 standards, these metric set screws deliver reliable performance in assembly lines, rotating shafts, and adjustment mechanisms where coarse thread spacing facilitates quicker installation without sacrificing holding power.
Specification Summary & Compliance
This M8 x 1.25mm set screw features Class 5g6g thread fit tolerance per metric standards, ensuring precise dimensional accuracy for consistent performance. Manufactured to DIN 916/ISO 4029 specifications with right-hand coarse threads and 8mm length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict chemical substance control.
