Parts/Hardware & consumables/Nuts, clips & pins/JConcepts 4-40 Thumb Nuts w/Set Screw (2) (Blue)
JConcepts 4-40 Thumb Nuts w/Set Screw (2) (Blue)
JConcepts

JConcepts 4-40 Thumb Nuts w/Set Screw (2) (Blue)

Part # JCO5238-1
Where to buy
$10.20
AMain Hobbies
Seen Oct 12, 2026
$10.20Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Thumb Nuts Overview:

The JConcepts 4-40 Thumb Nuts with Set Screws are the perfect solution for securely fastening battery packs in vintage RC vehicles like the RC10 and RC10T platforms. Designed with convenience in mind, these thumb nuts allow for quick and easy battery installation and removal without the need for screws and washers. Made from durable and super lightweight aluminum with a blue anodized finish, these thumb nuts ensure a secure hold while adding a touch of style to your vehicle. The knurled perimeter provides extra grip, making installation a breeze, and the included set screws fit seamlessly into the battery cups or buckets.

Whether you're upgrading your vintage RC or building a custom setup, these thumb nuts provide an efficient and secure method for holding down your battery while adding some bling!


Features:

  • Aluminum thumb nuts with a blue anodized finish
  • Knurled perimeter for easy grip and use
  • 4/40 thread compatibility
  • Includes 5/8” set screws for easy installation

Includes:

  • (2) Aluminum thumb nuts
  • (2) 5/8” Set screws

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