S-90047A155 3/4"-10 Locknuts

Locknuts

1178FA00013 Locknuts
1178FA00013 Locknuts

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

Part No.
Part No. 1178FA00013
Equivalent to mcmaster :
90047A155

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 1 1/8"
Height 41/64"

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 Standard

Material & Strength Parameters

Material 18-8 Stainless Steel

Installation & Application Parameters

Distorted Thread Type Center 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 center lock distorted thread design that maintains tension under extreme conditions
  • Excellent corrosion resistance provided by 18-8 stainless steel construction for long-lasting performance in harsh environments
  • Reliable thread engagement with Class 2B thread fit ensuring consistent, secure fastening across multiple installations
  • Easy installation and removal with standard external hex drive compatible with common wrenching tools
  • Industry-standard compatibility with 3/4"-10 UNC coarse threads for broad application across industrial equipment
  • Environmental compliance assurance meeting RoHS 3 and REACH standards for global industrial use
  • Durable mechanical performance with precise 1-1/8" width and 41/64" height dimensions for consistent load distribution

Professional Applications & Engineering Value

This 18-8 stainless steel locknut with center lock distorted thread technology addresses critical vibration-induced loosening challenges in heavy machinery, industrial equipment, and transportation applications. The distorted thread design creates controlled interference that maintains clamping force despite continuous shock and vibration exposure. Made from corrosion-resistant 18-8 stainless steel, this external hex locknut delivers exceptional durability in demanding environments while the 3/4"-10 UNC coarse thread configuration ensures rapid installation and reliable performance in high-vibration industrial settings. The combination of material strength and innovative locking mechanism provides engineering solutions for equipment requiring maintained bolt tension and vibration resistance.

Specification Summary & Compliance

This heavy-duty locknut features Class 2B thread fit with 3/4"-10 UNC coarse threads and center lock distorted thread technology. Manufactured to precise dimensional standards with 1-1/8" width and 41/64" height. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications worldwide.

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