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Hex Thin Nut

The hex thin nut ,commonly known as hex jam nut or lock nut , is a type of hex nut distinguished by its reduced height—typically about half the thickness of a standard hex nut.

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Product Details

Material

Carbon steel ,Stainless steel ,Alloy

Grade 

4,8,10,12

Standard

DIN,ASTM,ANSI,JIS,EN,ISO,AS,GB

Surface Treatment

Blackened,Zinc plate,Yellow zinc,HDG,Thermodiffusion,Ruspert,Dacromet,Teflon,Phosphate,etc

Diameter

M3-M100

Salt Spray Test

24hr-1000hr

Testing equipment

Automatic Optic Inspector,Projecting Apparatus,Salt Spray Test,Hardness/Tensile Machine

Certification

SGS,RoHS,Material Certication,PPAP

Sample

Accepted,we will send samples for your approval

Package Description

Small box ,Carton ,bag ,small plastic bag and pallet 

Delivery Term

EXW,FOB,CIF,CNF

Lead Time

Samples10- 15workdays,Mass productions 15-20 workdays after payment received.

Payment Term

T/T, Paypal,Cash


The hex thin nut ,commonly known as hex jam nut or lock nut , is a type of hex nut distinguished by its reduced height—typically about half the thickness of a standard hex nut.

Its key features and primary uses are:

  • Space-Saving Design: The main advantage is its low profile, which is essential for applications with limited axial space where a standard nut cannot fit or would be bulky.

  • Primary Function as a Locking Device: Its most classic use is as a jam nut. A thin nut is tightened against a standard nut ("jammed") to lock both in place, preventing loosening from vibration. It is not typically intended to bear the main clamping force by itself.

  • Variety and Standards: Available in the same materials and thread sizes as standard nuts, they conform to standards such as ISO 4035 (Metric) and ANSI B18.2.2 (Imperial).

Thin hex nuts are vital components in precision assemblies, automotive adjustments, machinery, and anywhere a secure, space-efficient locking solution is required.

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