S-94645A360 M39 DIN 985, ISO 10511 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision-engineered nylon insert locking, preventing loosening in high-stress environments.
• Enhanced durability and corrosion protection with zinc-plated steel construction, ideal for harsh industrial conditions.
• High-temperature resilience, maintaining locking integrity up to 220°F (104°C) for demanding applications.
• Exceptional load-bearing capacity with Class 10 strength rating, ensuring reliability in heavy-duty assemblies.
• Precise metric coarse threading (M39x4mm) with Class 6H fit for easy installation and secure fastening.
• Standard external hex drive design for compatibility with common tools and efficient torque application.
• Compliance with DIN 985 and ISO 10511 standards, guaranteeing dimensional accuracy and interchangeability.

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this M39 nylon insert lock nut addresses critical challenges like vibration-induced fastener failure and thermal stress. The zinc-plated steel construction provides a robust barrier against corrosion, extending service life in machinery, automotive, and construction applications. The nylon insert creates consistent friction on the metric coarse thread, ensuring the nut remains securely locked without damaging mating threads. This design is particularly valuable in high-vibration equipment and assemblies requiring repeated disassembly, as the insert maintains its locking properties through multiple uses. With its external hex drive and standardized dimensions, it enables quick installation while meeting rigorous DIN 985 and ISO 10511 specifications for reliable performance in global engineering projects.

Specification Summary & Compliance

This lock nut features M39x4mm coarse metric threading with Class 6H thread fit for precise engagement and right-hand thread direction. Manufactured to DIN 985 and ISO 10511 standards, it ensures dimensional accuracy with 60mm width and 39mm height. The product is RoHS 3 (2015/863/EU) Compliant and meets Class 10 strength requirements for high mechanical performance in industrial applications.