S-90631A123 M22 Locknuts

Locknuts

1144FA00019 Locknuts
1144FA00019 Locknuts

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

Part No.
Part No. 1144FA00019
Equivalent to mcmaster :
90631A123

Basic Information

System of Measurement Metric
Nut Type Locknut, Hex

Dimension Parameters

Width 32 mm
Height 22 mm

Thread Parameters

Thread Type Metric
Thread Size M22
Thread Direction Right Hand
Thread Pitch 2.5 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 through the nylon insert locking mechanism, preventing loosening in high-stress applications
  • Enhanced durability in demanding environments with zinc-plated steel construction providing reliable corrosion protection
  • Secure fastening under thermal stress with nylon insert rated for temperatures up to 220°F (104°C)
  • Precise thread engagement with Class 6H thread fit ensuring consistent performance and reduced cross-threading risk
  • Easy installation and removal using standard external hex drive with 32mm width for common tool compatibility
  • Reliable performance in coarse thread applications with M22x2.5 metric threading for heavy-duty industrial use
  • Compliance with international standards including REACH and RoHS 3 for global manufacturing applications

Professional Applications & Engineering Value

This M22 nylon insert lock nut delivers critical vibration resistance in industrial machinery, automotive assemblies, and construction equipment where coarse thread metric fasteners are essential. The zinc-plated steel construction provides durable protection against corrosion in challenging environments, while the nylon insert locking mechanism maintains clamping force even under constant vibration and thermal cycling up to 220°F. Engineers specify this Class 6H thread fit locknut for applications requiring reliable, long-term fastening solutions that withstand dynamic loads without compromising performance. The external hex drive design ensures compatibility with standard tools, streamlining installation in production environments and maintenance scenarios.

Specification Summary & Compliance

This M22x2.5 metric locknut features precision Class 6H thread fit according to ISO standards, with coarse thread spacing for optimal engagement in heavy-duty applications. The manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental directives, ensuring material safety and regulatory compliance for industrial use worldwide. Dimensions include 32mm width across flats and 22mm height for standardized installation requirements.

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