S-90576A212 M7 DIN 985, ISO 10511 Locknuts

Locknuts

1142FA00021 Locknuts
1142FA00021 Locknuts

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

Part No.
Part No. 1142FA00021
Equivalent to mcmaster :
90576A212

Basic Information

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

Dimension Parameters

Width 11 mm
Height 7.5 mm

Thread Parameters

Thread Type Metric
Thread Size M7
Thread Direction Right Hand
Thread Pitch 1 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 8

Temperature & Environment Parameters

Insert Maximum Temperature 220°F

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (07/08/2021, 219 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 durable nylon insert that maintains secure locking even under dynamic loads
  • High-temperature performance with locking capability maintained up to 220°F (104°C) for demanding environments
  • Exceptional strength and reliability with Class 8 strength rating for heavy-duty industrial applications
  • Corrosion-resistant protection through zinc-plated steel construction extending service life
  • Precise thread engagement with Class 6H thread fit ensuring consistent performance and easy installation
  • Standardized compatibility meeting DIN 985 and ISO 10511 specifications for global engineering applications
  • Environmental compliance with RoHS 3 and REACH standards for responsible manufacturing

Professional Applications & Engineering Value

This M7 nylon insert lock nut delivers critical vibration resistance in demanding industrial environments where constant motion and mechanical stress threaten fastener integrity. The zinc-plated steel construction provides essential corrosion protection while maintaining the Class 8 strength rating required for high-stress applications. The nylon insert locking mechanism creates consistent friction against the mating bolt, preventing loosening from vibration without damaging threads. Engineered to DIN 985 and ISO 10511 standards, this locknut ensures reliable performance in automotive assemblies, machinery manufacturing, and industrial equipment where safety and reliability are paramount. The coarse metric thread with precise Class 6H fit facilitates quick installation while maintaining secure fastening in high-vibration environments.

Specification Summary & Compliance

This locknut features M7 x 1mm coarse thread with Class 6H thread fit precision and standard 11mm hex width with 7.5mm height. Manufactured to DIN 985 and ISO 10511 specifications with Class 8 strength rating. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring responsible manufacturing practices and material safety.

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