S-3638N132 M12 x 30 mm DIN 561B Set Screws

Set Screws

0663FA00020 Set Screws
0663FA00020 Set Screws

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

Part No.
Part No. 0663FA00020
Equivalent to mcmaster :
3638N132

Basic Information

System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 16 mm
Head Height 9 mm

Dimensions

Length 30 mm

Thread Parameters

Thread Type Metric
Thread Size M12
Thread Pitch 1.75 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g

Tip & Drive Parameters

Tip Type Extended
Tip Length 6 mm
Tip Length Tolerance 0 to 0.3mm
Tip Diameter 8.5 mm
Tip Diameter Tolerance -0.22mm 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, ensuring reliable performance under high-stress industrial conditions
  • Precision extended tip design provides secure seating and prevents loosening in demanding applications
  • External hex drive compatibility allows for easy installation with standard tools while maintaining high torque capability
  • Durable steel construction with Rockwell C20 hardness offers excellent wear resistance and long service life
  • Coarse thread configuration enables quick assembly and superior vibration resistance in various materials
  • Strict dimensional compliance with Class 6g thread fit ensures consistent performance and interchangeability
  • Environmental responsibility through RoHS 3 and REACH compliance for safe use across regulated industries

Professional Applications & Engineering Value

This M12 set screw delivers exceptional engineering value through its Class 8.8 steel construction and precision extended tip design. The coarse thread with 1.75mm pitch provides superior resistance to vibration-induced loosening, making it ideal for heavy machinery, automotive assemblies, and industrial equipment where reliability is paramount. The external hex drive ensures straightforward installation with standard tools while maintaining high torque transmission. With its Rockwell C20 hardness and precise metric thread specifications, this fastener solves critical challenges in applications requiring repeated adjustments or exposure to dynamic loads, offering engineers a dependable solution for permanent positioning and alignment tasks.

Specification Summary & Compliance

Manufactured to exact DIN 561B standards with Class 6g thread fit tolerance for precision mating. Features M12 x 1.75mm coarse thread with right-hand direction and 30mm length. Tip specifications include 6mm extended length with 0 to 0.3mm tolerance and 8.5mm diameter with -0.22mm to 0 tolerance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.

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