S-3638N112 M6 x 16 mm DIN 561B Set Screws

Set Screws

0663FA00002 Set Screws
0663FA00002 Set Screws

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

Part No.
Part No. 0663FA00002
Equivalent to mcmaster :
3638N112

Basic Information

System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 8 mm
Head Height 5 mm

Dimensions

Length 16 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

  • Superior holding power with Class 8.8 strength grade and Rockwell C20 hardness, ensuring reliable performance in demanding applications.
  • Precise component positioning thanks to the extended 3mm tip with tight diameter and length tolerances for accurate seating.
  • High torque application capability provided by the external hex head design, allowing for secure tightening with standard tools.
  • Quick and easy installation with M6 coarse (1mm pitch) right-hand threads, reducing assembly time and effort.
  • Consistent quality and interchangeability guaranteed by compliance with DIN 561B specifications and Class 6g thread fit.
  • Enhanced durability and corrosion resistance from the steel construction, suitable for long-term industrial use.
  • Safe for regulated environments as it is RoHS 3 and REACH compliant, meeting strict environmental and safety standards.

Professional Applications & Engineering Value

This M6 x 1mm metric set screw is engineered to address common industrial challenges such as component slippage and misalignment. Its steel construction and Class 8.8 strength provide exceptional resistance to vibration and loosening, making it ideal for machinery, automotive assemblies, and precision equipment. The extended tip ensures deep engagement and secure fastening in blind holes or on shafts, while the coarse thread and right-hand thread direction facilitate rapid installation in high-volume production settings. By adhering to DIN 561B standards, this hex head set screw delivers consistent performance, reducing downtime and maintenance costs in industrial applications.

Specification Summary & Compliance

This set screw features an M6 thread size with a 1mm thread pitch and Class 6g thread fit for precise dimensional accuracy. It complies with DIN 561B manufacturing specifications and is certified to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety compliance. The extended tip has a diameter of 4 mm with a tolerance of -0.18mm to 0 and a length tolerance of 0 to 0.25mm, supporting high-precision assembly requirements.

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