S-91385A410 M4 x 12 mm DIN 916, ISO 4029 Set Screws

Set Screws

0621FA00024 Set Screws
0621FA00024 Set Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0621FA00024
Equivalent to mcmaster :
91385A410

Basic Information

System of Measurement Metric

Head Parameters

Head Type Headless

Dimensions

Length 12 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Pitch 0.7 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 5g6g
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -50° to 250° F

Tip & Drive Parameters

Tip Type Cup
Drive Style Hex
Drive Size 2 mm

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C45

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 916, ISO 4029
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Vibration-resistant performance with integrated nylon patch thread locker that maintains secure fastening from -50° to 250°F
  • Exceptional durability thanks to Black-Oxide alloy steel construction with Rockwell C45 hardness for long service life
  • Precise thread engagement with Class 5g6g thread fit ensuring reliable installation and consistent clamping force
  • Easy installation and removal with standard 2mm hex drive in headless design for space-constrained applications
  • Superior grip and minimal surface damage from cup tip design that concentrates clamping force effectively
  • Industry-standard compatibility with coarse M4 x 0.7mm metric threads meeting DIN 916/ISO 4029 specifications
  • Environmental compliance assurance with RoHS 3 and REACH regulations for global industrial applications

Professional Applications & Engineering Value

This M4 set screw delivers critical vibration resistance in demanding industrial environments where loosening under dynamic loads compromises safety and performance. The Black-Oxide alloy steel construction provides excellent corrosion resistance while maintaining Rockwell C45 hardness for repeated adjustments without thread deformation. The integrated nylon patch thread locker eliminates the need for separate locking compounds, streamlining assembly processes in machinery, automotive components, and precision equipment. With Class 5g6g thread fit and coarse thread spacing, installation is both precise and efficient, while the headless design with 2mm hex drive enables flush mounting in confined spaces. These metric set screws are engineered to maintain clamping force integrity in high-vibration applications from manufacturing equipment to transportation systems.

Specification Summary & Compliance

This set screw features M4 x 0.7mm coarse thread with Class 5g6g thread fit precision and 12mm length. Manufacturing complies with DIN 916/ISO 4029 standards for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.

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