S-92635A633 M20 x 60 mm DIN 479 Set Screws

Set Screws

0661FA00028 Set Screws
0661FA00028 Set Screws

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

Part No.
Part No. 0661FA00028
Equivalent to mcmaster :
92635A633

Basic Information

System of Measurement Metric

Head Parameters

Head Type Square
Head Width 22 mm
Head Height 20 mm

Dimensions

Length 60 mm

Thread Parameters

Thread Type Metric
Thread Size M20
Thread Pitch 2.5 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g

Tip & Drive Parameters

Tip Type Extended
Tip Length 5.3 mm
Tip Length Tolerance -0.3mm to 0
Tip Diameter 15 mm
Tip Diameter Tolerance -0.27mm to 0
Drive Style External Square

Material & Strength

Material Alloy Steel
Hardness Rockwell C23

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 479
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior torque transmission with 22mm square head design for reliable tightening in high-stress applications
  • Exceptional durability and wear resistance through Rockwell C23 hardened alloy steel construction
  • Precise thread engagement with Class 6g metric thread fit ensuring consistent performance in assembly operations
  • Enhanced holding power thanks to extended tip design that provides deeper penetration into mating components
  • Industry-standard compatibility with DIN 479 specifications for reliable interchangeability across European equipment
  • Environmental compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing applications
  • Optimized for coarse thread applications with 2.5mm pitch providing quick assembly and disassembly in industrial settings

Professional Applications & Engineering Value

This M20 metric set screw delivers critical engineering solutions for industrial equipment requiring secure axial positioning of components on shafts and hubs. The alloy steel construction with Rockwell C23 hardness provides exceptional resistance to vibration-induced loosening, making it ideal for heavy machinery, automotive assemblies, and power transmission systems. The square head design enables high-torque installation without cam-out issues common with other drive types, while the extended tip ensures positive engagement even in worn keyways. Manufactured to DIN 479 standards, this coarse thread set screw offers reliable performance in demanding environments where maintenance accessibility and component security are paramount concerns for engineering teams.

Specification Summary & Compliance

This set screw features precise Class 6g thread tolerance per metric standards with M20 x 2.5mm coarse thread specifications. The extended tip maintains tight dimensional control with tip diameter of 15mm (-0.27mm to 0 tolerance) and tip length of 5.3mm (-0.3mm to 0 tolerance). Manufacturing complies with DIN 479 specifications for square head set screws and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for international industrial applications requiring certified components.

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