S-90251A316 M6 x 20 mm DIN 916, ISO 4029 Set Screws

Set Screws

0622FA00031 Set Screws
0622FA00031 Set Screws

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

Part No.
Part No. 0622FA00031
Equivalent to mcmaster :
90251A316

Basic Information

System of Measurement Metric

Head Parameters

Head Type Headless

Dimensions

Length 20 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
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 3 mm

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B80

Temperature & Environment

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

  • Vibration-resistant locking with nylon patch thread locker to prevent loosening in dynamic applications
  • Superior corrosion resistance from 18-8 stainless steel construction for extended service life in harsh environments
  • Precise thread engagement with Class 6g tolerance ensuring reliable fastening and consistent performance
  • High-temperature stability maintaining locking integrity across -50° to 250°F operational range
  • Optimized torque transmission through hex socket drive design for secure installation and removal
  • Enhanced grip capability with cup tip design providing superior biting action on contact surfaces
  • International compliance assurance meeting DIN 916/ISO 4029 standards for global project compatibility

Professional Applications & Engineering Value

This M6 set screw delivers critical vibration resistance in machinery, automotive, and precision equipment assemblies where secure locking is paramount. The nylon patch thread locker eliminates the need for additional adhesives while providing reliable vibration-resistant fastening in high-stress environments. Manufactured from 18-8 stainless steel with Rockwell B80 hardness, it withstands corrosive conditions while maintaining mechanical integrity. The hex socket drive and headless design enable flush mounting in confined spaces, while the cup tip ensures maximum grip on shaft surfaces. Ideal for permanent positioning applications requiring precision fasteners that won't compromise under thermal cycling or mechanical stress.

Specification Summary & Compliance

This metric set screw features M6 x 1 mm coarse thread with Class 6g thread fit tolerance and 20 mm length, manufactured to DIN 916/ISO 4029 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications. The right-hand thread configuration and standardized dimensions guarantee compatibility with existing metric fastener systems.

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