S-90045A018 10-32 Locknuts

Locknuts

1172FA00004 Locknuts
1172FA00004 Locknuts

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

Part No.
Part No. 1172FA00004
Equivalent to mcmaster :
90045A018

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 3/8"
Height 1/8"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Direction Right Hand
Thread Spacing Fine
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material 18-8 Stainless Steel

Installation & Application Parameters

Distorted Thread Type Top Lock

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Locking Type Distorted Thread
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 distorted thread top lock design, preventing loosening under dynamic loads
  • Excellent corrosion protection with 18-8 stainless steel construction, ideal for harsh environments
  • Precise Class 2B thread fit ensures smooth assembly and reliable engagement with mating components
  • External hex drive compatibility allows for standard tooling and straightforward installation
  • Fine UNF 10-32 threading provides enhanced holding power in applications requiring fine adjustments
  • Compact 1/8" height profile saves space while maintaining full locking performance
  • Full regulatory compliance with RoHS 3 and REACH standards for global market acceptance

Professional Applications & Engineering Value

This 10-32 UNF stainless steel locknut with distorted thread top lock technology addresses critical vibration-induced failure points in industrial equipment, automotive assemblies, and precision machinery. The 18-8 stainless steel material provides inherent corrosion resistance, eliminating galvanic concerns in mixed-material applications. The top lock distorted thread design creates consistent interference along the mating thread, maintaining clamp force without requiring additional locking elements. This engineering solution is particularly valuable in high-cycle applications where traditional locking methods fail, offering reliable performance in temperature-variable environments while maintaining Class 2B thread precision for smooth installation and removal.

Specification Summary & Compliance

Manufactured to UNF fine thread standards with Class 2B thread fit for consistent mating performance. Features 3/8" across flats hex dimension and 1/8" height profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market accessibility. The right-hand thread direction and external hex drive conform to industry-standard installation practices.

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