S-94645A111 M8 DIN 985, ISO 10511 Locknuts

Locknuts

1140FA00001 Locknuts
1140FA00001 Locknuts

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

Part No.
Part No. 1140FA00001
Equivalent to mcmaster :
94645A111

Basic Information

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

Dimension Parameters

Width 13 mm
Height 8 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Direction Right Hand
Thread Pitch 1 mm
Thread Spacing Fine
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
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 nylon insert locking that maintains secure fastening under dynamic loads
  • Enhanced corrosion protection with zinc-plated steel construction for extended service life in harsh environments
  • High-temperature performance with nylon insert rated to 220°F (104°C) for demanding industrial applications
  • Precision fine threading (1mm pitch) ensures tighter clamping force and better load distribution
  • Class 10 strength rating provides reliable performance in high-stress mechanical assemblies
  • Standard external hex design allows for easy installation with common wrench tools
  • International compliance with DIN 985 and ISO 10511 standards for global project compatibility

Professional Applications & Engineering Value

This M8 nylon insert lock nut delivers critical vibration-resistant performance for automotive assemblies, industrial machinery, and precision equipment where loosening under operational stress poses significant safety risks. The zinc-plated steel construction combats corrosion in humid or chemically aggressive environments, while the Class 6H thread fit ensures precise engagement with mating components. The high-temperature nylon insert maintains its elastic memory and locking force up to 220°F, solving common thermal expansion challenges in engine compartments and motor-driven systems. With metric fine threading (1mm pitch), this fastener provides superior clamping force distribution compared to coarse-thread alternatives, making it ideal for applications requiring precise tension control and minimal settling.

Specification Summary & Compliance

This lock nut features M8 x 1mm fine metric threading with Class 6H thread tolerance for precision fit. Manufacturing complies with DIN 985 and ISO 10511 standards for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Physical dimensions include 13mm width across flats and 8mm height. The Class 10 strength rating confirms high mechanical performance for demanding applications.

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