S-94645A101 M4 DIN 985, ISO 10511 Locknuts

Locknuts

1139FA00008 Locknuts
1139FA00008 Locknuts

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

Part No.
Part No. 1139FA00008
Equivalent to mcmaster :
94645A101

Basic Information

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

Dimension Parameters

Width 7 mm
Height 5 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Direction Right Hand
Thread Pitch 0.7 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, preventing loosening in high-motion applications
  • Enhanced corrosion protection with zinc-plated steel construction for extended service life in demanding environments
  • High-temperature performance maintaining locking integrity up to 220°F (104°C) for thermal cycling applications
  • Reliable thread engagement with Class 6H thread fit ensuring precise mating with mating components
  • Industry-standard compatibility meeting DIN 985 and ISO 10511 specifications for global engineering projects
  • Exceptional strength rating with Class 10 mechanical properties for high-stress assembly requirements
  • Easy installation and removal using standard external hex drive tools for efficient maintenance operations

Professional Applications & Engineering Value

These M4 nylon insert lock nuts provide critical vibration-resistant fastening solutions for industrial machinery, automotive assemblies, and electronic enclosures where coarse metric threading ensures rapid installation. The zinc-plated steel construction offers durable corrosion resistance while the nylon insert creates consistent locking torque without damaging mating threads. Engineered to maintain performance in environments experiencing thermal fluctuations up to 220°F, these Class 10 locknuts deliver reliable service in vibration-prone applications including motor mounts, conveyor systems, and power transmission equipment. The external hex drive design accommodates standard wrenching tools for simplified maintenance access in confined spaces.

Specification Summary & Compliance

This M4 x 0.7mm lock nut features Class 6H thread fit tolerance and coarse thread spacing per metric standards. Manufactured to DIN 985 and ISO 10511 specifications with Class 10 strength rating. Compliant with RoHS 3 (2015/863/EU) environmental directives. Dimensions include 7mm width across flats and 5mm height with right-hand thread direction.

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