New Guide on Nut Types for Mechanical Engineering & Fastening Applications
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- Issue Time
- Aug 20,2025
Summary
From securing assemblies to ensuring safety, nuts come in a wide variety of designs—each serving a specific purpose.


This resource covers hex nuts, heavy hex nuts, nylon insert lock nuts, wing nuts, and more, tailored to meet diverse industrial needs.
***Key Highlights***
Hex Nut: Standard six-sided nut, commonly used.
Heavy Hex Nut: Larger and stronger version of hex nut.
Nylon Insert Jam Lock: Reduced-height nylon lock nut.
Wing Nut: Easy hand tightening without tools.
Cap Nut: Domed top for safety and aesthetics.
Flange Nut: Built-in washer for load distribution.
Tee Nut: Driven into wood to create threads.
Prevailing Torque Lock Nut: Withstands vibration & high temps.
K-Lock / Kep Nut: Comes with a built-in lock washer.
Slotted Nut: Used with cotter pins for security.
Castle Nut: Similar to slotted, with extra slots for locking.
***Applications***
Ideal for machinery, automotive, structural, and industrial assemblies, these nut types enhance the reliability of conveyor and fastening systems.
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