S-3638N111 M6 x 12 mm DIN 561B Set Screws

Set Screws

0663FA00001 Set Screws
0663FA00001 Set Screws

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

Part No.
Part No. 0663FA00001
Equivalent to mcmaster :
3638N111

Basic Information

System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 8 mm
Head Height 5 mm

Dimensions

Length 12 mm

Thread Parameters

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

Tip & Drive Parameters

Tip Type Extended
Tip Length 3 mm
Tip Length Tolerance 0 to 0.25mm
Tip Diameter 4 mm
Tip Diameter Tolerance -0.18mm to 0
Drive Style External Hex

Material & Strength

Material Steel
Hardness Rockwell C20
Fastener Strength Grade/Class Class 8.8

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 561B
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 strength and durability with Class 8.8 steel construction, ensuring reliable performance in demanding applications.
  • Precise and secure fastening thanks to the extended 3mm tip and controlled tolerances, providing consistent engagement and reduced loosening.
  • Easy installation and removal with a standard external hex drive and 8mm head width, compatible with common tools for efficient assembly.
  • Optimized for coarse thread applications with a 1mm pitch, offering faster installation and better performance in softer materials or where vibration is a concern.
  • Superior wear resistance from a Rockwell C20 hardness, extending the screw's service life and maintaining thread integrity.
  • Guaranteed dimensional accuracy with Class 6g thread fit, ensuring compatibility and a secure fit with standard metric nuts and threaded holes.
  • Safe for regulated environments as it is fully compliant with RoHS 3 and REACH, meeting strict international environmental and safety standards.

Professional Applications & Engineering Value

This M6 x 1mm set screw is engineered to solve critical fastening challenges in industrial settings. The Class 8.8 steel construction provides high tensile strength, making it ideal for applications subject to significant stress and vibration, such as in machinery, automotive assemblies, and electrical enclosures. The extended tip design ensures positive location and superior grip, preventing component slippage in pulleys, gears, and collars. Its coarse thread and right-hand thread direction allow for quick assembly and disassembly, reducing maintenance downtime. Manufactured to DIN 561B specifications, this metric set screw delivers consistent quality and reliability, essential for B2B procurement of industrial fasteners where precision and compliance are non-negotiable.

Specification Summary & Compliance

This fastener features a Class 6g thread fit for precise dimensional accuracy, conforming to metric thread standards. It is manufactured in accordance with DIN 561B specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.

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