S-92123A123 M8 x 25 mm Set Screws

Set Screws

0678FA00008 Set Screws
0678FA00008 Set Screws

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

Part No.
Part No. 0678FA00008
Equivalent to mcmaster :
92123A123

Basic Information

System of Measurement Metric

Head Parameters

Head Type Headless

Dimensions

Length 25 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g

Tip & Drive Parameters

Tip Type Swivel
Swivel Tip Type Permanent
Tip Diameter 4.5 mm
Tip Material Alloy Steel
Drive Style Hex
Drive Size 4 mm

Material & Strength

Material Alloy Steel
Hardness Rockwell C39

Temperature & Environment

Maximum Swivel Angle
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced holding power with permanent swivel tip that maintains contact even at 9° angles, preventing component slippage
  • Superior durability from Rockwell C39 hardness alloy steel construction, resisting wear in high-stress applications
  • Precise thread engagement with Class 6g metric coarse threads ensuring reliable fastening in demanding environments
  • Space-saving design as a headless screw with 4mm hex drive, ideal for confined assemblies
  • Regulatory compliance meeting RoHS 3 standards for environmentally conscious manufacturing
  • Optimized for right-hand threading with coarse 1.25mm pitch for faster installation in industrial settings
  • Consistent performance through full 25mm length with alloy steel tip maintaining structural integrity

Professional Applications & Engineering Value

This M8 metric set screw delivers critical engineering solutions where vibration resistance and positional stability are paramount. The permanent swivel tip maintains constant pressure distribution across uneven surfaces, eliminating fretting corrosion in rotating assemblies. Manufactured from alloy steel with Rockwell C39 hardness, it withstands repeated adjustments in machinery, automotive components, and precision equipment without thread deformation. The Class 6g thread fit ensures consistent clamping force in high-torque applications, while the headless design with 4mm hex drive enables flush mounting in space-constrained configurations. This combination addresses common industrial challenges of component creep and alignment drift.

Specification Summary & Compliance

Manufactured to metric standards with M8 x 1.25mm coarse right-hand threads meeting Class 6g tolerance for precision fit. The 25mm length maintains dimensional accuracy with 4.5mm swivel tip diameter for optimal surface contact. Fully compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a) for lead as steel alloying element. The permanent swivel tip construction ensures consistent angular performance up to 9° maximum deflection.

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