S-94830A138 3/4"-10 Locknuts

Locknuts

1186FA00019 Locknuts
1186FA00019 Locknuts

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

Part No.
Part No. 1186FA00019
Equivalent to mcmaster :
94830A138

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 1 1/16"
Height 27/64"

Thread Parameters

Thread Type UNC
Thread Size 3/4"-10
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Thin

Material & Strength Parameters

Material Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Locking Type Flex-Top
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 innovative Flex-Top locking technology that maintains clamp force in high-stress environments
  • Space-saving thin profile (27/64" height) enables use in confined applications where standard nuts won't fit
  • Maximum torque application with external hex drive design that provides excellent grip for wrenching tools
  • Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
  • Durable steel construction delivers excellent strength and corrosion resistance for long service life
  • Industry-standard compatibility with 3/4"-10 UNC coarse threads for seamless integration into existing systems
  • Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This 3/4"-10 UNC Flex-Top locknut addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and heavy equipment. The steel construction combined with the innovative Flex-Top locking mechanism creates consistent friction that maintains preload under dynamic loads. The thin hex profile (1-1/16" width × 27/64" height) provides significant design flexibility in space-constrained applications while the external hex drive ensures maximum torque transfer during installation. Engineered with Class 2B thread fit and coarse UNC threads, this locknut delivers reliable performance in high-vibration environments where traditional fasteners typically fail, reducing maintenance downtime and improving operational safety.

Specification Summary & Compliance

This locknut features precision Class 2B thread fit with 3/4"-10 UNC coarse threads and right-hand thread direction. Manufactured to inch system standards with external hex drive and thin profile dimensions (1-1/16" width, 27/64" height). The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while meeting international fastener specifications.

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