S-94085A145 M8 x 25 mm ASME B18.3.6M, ASTM F912 Set Screws

Set Screws

0649FA00025 Set Screws
0649FA00025 Set Screws

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

Part No.
Part No. 0649FA00025
Equivalent to mcmaster :
94085A145

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 5g6g

Tip & Drive Parameters

Tip Type Soft
Tip Length 2.4 mm
Tip Diameter 4.8 mm
Tip Material Brass
Drive Style Hex
Drive Size 4 mm

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C28

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3.6M, ASTM F912
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Precise thread fit (Class 5g6g) ensures reliable engagement and vibration resistance in demanding applications
  • Black-oxide alloy steel construction provides excellent corrosion resistance and durability for extended service life
  • Integrated brass soft tip prevents surface damage to components while maintaining secure fastening
  • Hex drive design allows for high-torque installation with standard tools and easy access in confined spaces
  • Rockwell C28 hardness rating delivers optimal strength-to-toughness balance for repeated use
  • Coarse metric threading (M8 x 1.25mm) enables quick installation and superior holding power in various materials
  • Headless configuration creates flush mounting solutions where protruding fasteners are unacceptable

Professional Applications & Engineering Value

This M8 set screw with black-oxide alloy steel construction addresses critical industrial fastening challenges where corrosion resistance and component protection are paramount. The brass soft tip eliminates galling and surface marring on precision shafts, gears, and collars while maintaining clamping force. The hex drive configuration provides superior torque transmission compared to slotted designs, preventing tool slippage in high-vibration environments. With its Class 5g6g thread fit and coarse pitch threading, this fastener delivers reliable performance in machinery, automotive assemblies, and industrial equipment where vibration resistance and quick installation are essential engineering requirements.

Specification Summary & Compliance

This metric set screw features M8 x 1.25mm coarse threading with Class 5g6g thread fit per ISO standards, ensuring precise dimensional accuracy. Manufacturing complies with ASME B18.3.6M specifications (ASTM F912) for consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial components.

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