S-94645A330 M30 DIN 985, ISO 10511 Locknuts

Locknuts

1139FA00021 Locknuts
1139FA00021 Locknuts

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

Part No.
Part No. 1139FA00021
Equivalent to mcmaster :
94645A330

Basic Information

System of Measurement Metric
Nut Type Locknut, Hex
Specifications Met DIN 985, ISO 10511

Dimension Parameters

Width 46 mm
Height 30 mm

Thread Parameters

Thread Type Metric
Thread Size M30
Thread Direction Right Hand
Thread Pitch 3.5 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
Strength Class Class 10

Temperature & Environment Parameters

Insert Maximum Temperature 220°F

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) 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 nylon insert locking technology that maintains secure fastening under dynamic loads
  • High-temperature performance with nylon insert rated for continuous operation up to 220°F (105°C)
  • Exceptional strength rating with Class 10 mechanical properties for heavy-duty industrial applications
  • Corrosion-resistant protection provided by zinc-plated steel construction for extended service life
  • Precision thread engagement with Class 6H thread fit ensuring reliable mating with mating components
  • International standard compliance meeting both DIN 985 and ISO 10511 specifications for global compatibility
  • Environmental compliance with RoHS 3 (2015/863/EU) standards for restricted substance control

Professional Applications & Engineering Value

This M30 nylon insert lock nut delivers critical vibration resistance in demanding industrial environments where loosening under dynamic loads poses significant safety and operational risks. The zinc-plated steel construction provides essential corrosion protection while maintaining the Class 10 strength rating required for heavy machinery, construction equipment, and automotive assemblies. The nylon insert locking mechanism creates consistent friction against the bolt threads, eliminating the need for additional locking devices and reducing assembly time. With its metric coarse thread (3.5mm pitch) and external hex drive, this fastener offers quick installation using standard tools while maintaining compliance with DIN 985 and ISO 10511 standards for international project specifications.

Specification Summary & Compliance

This locknut features M30 x 3.5mm coarse metric threads with Class 6H thread fit tolerance per ISO standards, ensuring precise engagement with mating components. The fastener meets rigorous DIN 985 and ISO 10511 manufacturing specifications for dimensional accuracy and performance requirements. With dimensions of 46mm width and 30mm height, the nut provides optimal bearing surface for distributed load transfer. The product is RoHS 3 (2015/863/EU) compliant and manufactured to Class 10 strength classification for high-stress applications, backed by quality assurance protocols for consistent performance.

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