The nuts don't seem to prevent rotation no matter how tight I make them. How have others locked these in to their projects and locked down the posts?

I would use lock washers; You would never have to re-tighten....

what are the dimensions, length below the panel?

Depends on the thickness of the panel you’re mounting it in. The thread length is about .450 in.

What diameter hole is needed to mount these on a panel?

It measures .246 in. It should fit through a 1/4” hole.

CESS CESS Amplifier Terminal Connector Binding Post Banana Plug Jack Socket Panel/Chassis Mount Connectors - Length:1.8" (4 Pack)

CESS CESS Amplifier Terminal Connector Binding Post Banana Plug Jack Socket Panel/Chassis Mount Connectors - Length:1.8" (4 Pack)

Product ID: 277119074

Details

Brand
CESS
Connector type
Screw
Cable type
AUX
Compatible devices
Speaker
Special features
Data Transfer

📏1.8 inch length

🔌4mm compatibility

🔩2.76mm screw diameter

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₨416

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
CESS
Connector type
Screw
Cable type
AUX

Description

🔊 Connect with Confidence!

🎁 VALUE PACK - Includes 4 pieces (2 pairs) to ensure you have enough for your projects.
🔩 ROBUST BUILD - Featuring a 2.76mm screw bolt diameter for secure and reliable connections.
📏 COMPACT DESIGN - Measuring just 1.8 inches, these connectors fit perfectly in tight spaces.
🔧 EASY INSTALLATION - Designed for hassle-free mounting on panels or chassis.
🔗 VERSATILE CONNECTIVITY - Compatible with standard 4mm banana plugs for seamless integration.

The CESS Amplifier Terminal Connector Binding Post Banana Plug Jack Socket Panel/Chassis Mount Connectors come in a convenient 4-pack, featuring a compact 1.8-inch length and compatibility with standard 4mm banana plugs. With a robust 2.76mm screw bolt diameter, these connectors ensure secure and reliable connections for all your audio and electronic projects.

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