S-92635A636 M20 x 70 mm DIN 479 Set Screws

Set Screws

0661FA00029 Set Screws
0661FA00029 Set Screws

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

Part No.
Part No. 0661FA00029
Equivalent to mcmaster :
92635A636

Basic Information

System of Measurement Metric

Head Parameters

Head Type Square
Head Width 22 mm
Head Height 20 mm

Dimensions

Length 70 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
In Stock
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Key Features & Benefits at a Glance

  • Exceptional holding power with coarse 2.5mm pitch threads for secure fastening in demanding applications
  • Superior durability from alloy steel construction and Rockwell C23 hardness, resisting wear and deformation
  • Reliable installation with a square head and external square drive for high-torque application without slippage
  • Precise tip engagement due to the extended 15mm tip diameter, ensuring optimal component contact
  • Wide industrial compatibility with metric M20 coarse thread and Class 6g fit for standard assemblies
  • Regulatory peace of mind through compliance with RoHS 3 and REACH environmental standards
  • Consistent performance guaranteed by adherence to DIN 479 specifications for dimensional accuracy

Professional Applications & Engineering Value

This M20 square head set screw is engineered to address critical challenges in heavy-duty industrial environments, such as machinery, automotive, and construction equipment. The alloy steel material and Rockwell C23 hardness provide exceptional resistance to vibrational loosening and shear forces, ensuring long-term joint integrity. Its coarse metric thread with Class 6g tolerance allows for quick, secure installation in coarse-grained materials, while the extended tip enhances grip on shafts or hubs, preventing slippage under high loads. Ideal for applications requiring reliable set screw performance, it meets DIN 479 standards for consistent quality and interoperability in global supply chains.

Specification Summary & Compliance

This set screw features precise metric thread specifications including M20 size, 2.5mm pitch, and Class 6g thread fit per ISO standards, ensuring dimensional accuracy for secure fastening. Manufacturing adheres to DIN 479 for square head and extended tip design. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and suitable for environmentally conscious industrial use.

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