S-90631A124 M24 Locknuts

Locknuts

1144FA00020 Locknuts
1144FA00020 Locknuts

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

Part No.
Part No. 1144FA00020
Equivalent to mcmaster :
90631A124

Basic Information

System of Measurement Metric
Nut Type Locknut, Hex

Dimension Parameters

Width 36 mm
Height 24 mm

Thread Parameters

Thread Type Metric
Thread Size M24
Thread Direction Right Hand
Thread Pitch 3 mm
Thread Spacing Coarse
Thread Fit Class 6H

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material Zinc-Plated Steel

Temperature & Environment Parameters

Insert Maximum Temperature 220°F

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Locking Type Nylon Insert
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 vibration resistance with a durable nylon insert that maintains locking force in high-stress environments
  • Reliable performance in elevated temperatures, with the nylon insert effective up to 220°F for industrial applications
  • Enhanced corrosion protection from zinc-plated steel construction, extending service life in harsh conditions
  • Precise thread engagement with Class 6H thread fit ensuring secure, accurate mating with compatible bolts
  • Easy installation and removal using standard external hex drive tools, reducing assembly time
  • Heavy-duty design with 36mm width and 24mm height for robust load-bearing capacity in demanding setups
  • Compliance with environmental standards, meeting REACH and RoHS 3 requirements for safe, sustainable use

Professional Applications & Engineering Value

This M24 nylon insert locknut is engineered to solve critical challenges in industrial fastening, where vibration-induced loosening can compromise safety and performance. The zinc-plated steel material provides excellent corrosion resistance, ideal for outdoor machinery, automotive assemblies, and construction equipment exposed to moisture. The nylon insert creates consistent friction against mating threads, effectively dampening vibrations and maintaining clamp load without requiring additional locking devices. With a metric coarse thread (3mm pitch) and Class 6H precision, it ensures reliable fit in heavy-duty applications such as structural frameworks, conveyor systems, and agricultural machinery, reducing maintenance downtime and enhancing operational reliability.

Specification Summary & Compliance

This locknut features a Class 6H thread fit per metric standards, ensuring dimensional accuracy for secure fastening. It complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, confirming its suitability for environmentally conscious industrial use. The product adheres to standard external hex drive and right-hand thread specifications, with a maximum operating temperature of 220°F for the nylon insert, providing consistent performance in varied conditions.

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