S-92581A450 M6 x 20 mm DIN 464 Thumb Screws

Thumb Screws

0766FA00021 Thumb Screws
0766FA00021 Thumb Screws

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

Part No.
Part No. 0766FA00021
Equivalent to mcmaster :
92581A450

Basic Information

System of Measurement Metric

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Raised
Head Diameter 24 mm
Head Height 5 mm
Head Texture Knurled

Dimensions

Length 20 mm
Collar Diameter 12 mm
Collar Height 10 mm

Thread Parameters

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

Material & Strength

Material Black-Oxide Steel
Hardness Rockwell B84
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 464
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Enhanced manual torque application with a 24 mm diameter knurled round head for superior grip in tool-free operations.
  • Reliable corrosion resistance thanks to the black-oxide steel finish, extending service life in harsh industrial environments.
  • Consistent thread engagement with fully threaded M6 x 1 mm coarse pitch design, ensuring secure fastening across various materials.
  • High mechanical durability supported by Rockwell B84 hardness and 70,000 psi tensile strength for demanding applications.
  • Precise fit and interchangeability with Class 6g thread fit and compliance to DIN 464 standards, reducing assembly errors.
  • Environmental and safety compliance meeting RoHS 3 and REACH regulations, ideal for global supply chains.
  • Quick installation and adjustment with right-hand threading and raised head profile for efficient manual handling.

Professional Applications & Engineering Value

This M6 thumb screw in black-oxide steel is engineered to address common industrial challenges such as frequent adjustments and exposure to corrosive elements. The knurled head provides exceptional grip, enabling high torque without tools, which is crucial in maintenance panels, electronic enclosures, and machinery where quick access is needed. Its fully threaded metric coarse thread ensures strong holding power in metals and plastics, while the black-oxide surface treatment resists rust, reducing downtime in humid or outdoor settings. Ideal for industrial thumb screw applications, it combines ease of use with robust performance, supporting efficient assembly and long-term reliability in sectors like automation, telecommunications, and equipment manufacturing.

Specification Summary & Compliance

This thumb screw features precise dimensions including a 20 mm length, M6 x 1 mm thread with Class 6g fit for standard metric tolerances. It adheres to DIN 464 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.

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