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ARP 400-8764 3/8-24 Fine Thread Stainless Steel Nyloc Hex Nut Kit - 5 Pieces

Manufacturer

Picture for manufacturer ARP

Part Number

400-8764
14 reviews
Sale Price

$5.16

4 left at this price

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 400-8764 is a 5-piece kit of 3/8"-24 fine thread stainless steel Nyloc hex nuts, engineered to ARP's exacting quality control standards. Built from aerospace-grade stainless steel, these nuts deliver exceptional corrosion resistance and long-term durability in demanding automotive and racing applications.

Key Features:

  • Thread Size: 3/8"-24 fine thread
  • Socket Size: 9/16" hex
  • Material: Aerospace-quality stainless steel
  • Tensile Strength: 180,000 psi rated
  • Locking Design: Nyloc (nylon insert) for vibration-resistant retention
  • Finish: Polished stainless steel
  • Quantity: 5 pieces per kit

ARP (Automotive Racing Products) has been a trusted name in high-performance fasteners since the early 1970s. These Nyloc hex nuts are a versatile, universal-fit solution suitable for engine builds, bracket fabrication, and any application where reliable fastener retention is critical. The nylon insert lock design resists loosening under vibration without damaging mating threads.

Products specifications

Fastener Yield Strength (psi)

140,000 psi

Nut Finish

Polished

Nut Material

Stainless steel

Nut Style

Hex

Nylon Insert

Yes

Quantity

Sold as a set of 5.

Self-Locking

No

Size

3/8-16

Thread Size

3/8-24 RH in.

Washers Included

No

Great prices

Great Inventory FREE SHIPPING!!!! Fast and Easy!

Easy to order and shipping with in a reasonable time.

Extremely fast shipping and delivery! I received my item within 24 hours of ordering.

Very smooth this far ordering. The Amazon option is interesting and useful. Hoping for the best with the rest of order..

Package arrived quickly and on time.

Very thoroughly happy with the online shopping experience for the part I needed, and with receiving it soon after!

Fast shipping, good products.

Wow! Really fast shipping! Placed order on Sunday and received my order on Tuesday.

They have the best prices and fast shipping too.

Best price found quick shipping couldn't be easier will buy again.

Unbeliveable customer service and super fast shipping. I had a question about my order and I was able to use the online chat function to instantly connect with a customer service agent that was quick to answer all my questions regarding my order. I am very pleased with the level of service I received not to mention the great price they offered on the item I purchased. I will be sure to continue doing business with Autoplicity for my automotive needs. Thanks so much. A+

Fast shipping, product matches description

Had just what I wanted at a very good price when I compared it to others (part plus shipping). Will try them next time I need parts.

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