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QA1 Precision Products JNL4S Left Hand Thread Jam Nut 1/4-28 Steel

Part of: QA1 Precision Products Jam Nut

Other options in this family: QA1 Precision Products JNL6S QA1 Precision Products JNR12A QA1 Precision Products JNL12S QA1 Precision Products JNL12A QA1 Precision Products JNL10S

Manufacturer

Picture for manufacturer QA1 Precision Products

Part Number

JNL4S
7 reviews
Sale Price

$2.38

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The QA1 Precision Products JNL4S is a precision-engineered steel jam nut designed for high-performance applications requiring secure fastening with left-hand threads. This jam nut features 1/4-28 left-hand threading, making it ideal for preventing loosening in applications where rotation occurs in a direction that would unthread standard right-hand nuts.

Key Specifications:

  • Thread Size: 1/4-28 left-hand (LH)
  • Material: Steel construction for durability and strength
  • Hex Size: 7/16" for easy installation with standard wrenches
  • Width: 5/32" profile for compact applications
  • Precision machined to QA1 quality standards

QA1 jam nuts are commonly used in rod end assemblies, suspension linkages, and racing applications where vibration resistance and precise adjustment are critical. The left-hand thread configuration prevents self-loosening in counter-clockwise rotation applications, providing an additional safety factor in demanding environments.

Products specifications

H Hex

7/16

Heat-Treated

No

Jam Nut Finish

Zinc

Jam Nut Material

Carbon steel

Jam Nut Thread Size

1/4-28 LH in.

Jam Nut Width

0.163 in.

Jam Nut Wrench Diameter

7/16 in.

Quantity

Sold individually.

Thread Type

Left Hand

Thread UNF-2B

1/4 -28

W Width

0.163

Title

QA1 Jam Nut JNL4S

Prop 65

WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Great customer service and support. a live person answered the phone and was able to reccomend the correct product for my vehicle. Best price online too........i woould most absolutely use them again! Great company!

These guys have amazing prices, shipping time was awesome considering it's right before christmas.

Right item, right price !

Great prices, great service, fast shipping!

Autoplicity best price on the web,FAST delivery, ordered wed. afternoon and received friday. AAAA++ RATING Will be ording from in the near future.

SO far, so good. We ordered a new Weathertech Trunk Liner from Autoplicity for our new VW SportWagen. We were pleased to find exactly what we were looking for for $50 less than other locations.

Great merchant! I would most certainly would do business with them again. Customer Service was extremely helpful and my order shipped quickly.

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