How tall is the 8mm flange?

the flange base is 3mm high and the total height is 13mm. diameter of the flange is 32mm and the diameter of the post is 16mm.

Are their any with thread for the 4 little holes?

No, they are not threaded. I actually drilled out the set ecrew holes and tapped them for 1/4" set screws. Much more secure. Ypu coule tap the 4 holes for scres if you want to.

What is the diameter or radius of the four mounting holes for the 6mm part?

The 4 holes are each about 3/32” diameter, just under 1/8”.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

4Pcs 6mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors

Product ID: 219440125

Details

Color
Silver
Exterior Finish
Aluminum Steel
Fastener Type
Flange Hex
Material
Metal
Thread Size
m3

🔩M3 fastening screws for secure fit

⚙️45# steel for ultimate durability

🛠️Includes mini hex wrench for easy install

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

C$998

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Nicaragua.

Secure transaction

Description

⚙️ Upgrade your RC game with steel-strong precision!

BUILT TO LAST - Crafted from premium 45# steel with heat and electroplated finish for unmatched strength and corrosion resistance.
ALL IN ONE DIY KIT - Comes complete with 4 couplings, 8 M3 screws, and a mini hex wrench—everything you need to upgrade instantly.
EFFORTLESS INSTALLATION - Flat head design and included tools make assembly quick, so you spend less time prepping and more time flying.
VERSATILE COMPATIBILITY - Perfectly fits RC airplane, boat, and motor shafts, making your custom builds smoother and more reliable.
ENGINEERED FOR PRECISION - Rigid 6mm flange coupling ensures flawless shaft alignment for your RC models.

This 4-piece set of 6mm flange coupling connectors is crafted from durable 45# steel with a polished electroplated finish, designed to provide stable and precise shaft alignment for RC model motors. The package includes 4 couplings, 8 M3 fastening screws, and a mini hex wrench, making it a complete, easy-to-install accessory ideal for DIY RC airplane, boat, and motor projects.

Specifications

ASIN	B08334N261
Best Sellers Rank	#46,678 in Toys & Games ( See Top 100 in Toys & Games ) #479 in Hobby Remote & App Controlled Vehicle Parts
Brand	daier
Color	Silver
Compatible Groove Diameter	6 Millimeters
Customer Reviews	4.5 4.5 out of 5 stars (876)
Drive Style	External Hex
Exterior Finish	Aluminum,Steel
Fastener Type	Flange, Hex
Finish Types	Polished
Grade Rating	industrial
Inside Thread Size	M3
Item Diameter	6 Millimeters
Item Weight	0.04 Kilograms
Manufacturer	daier
Material Type	Metal
Metal Type	Alloy Steel
Model	H418*4
Number Of Items	4
Number of Pieces	4
Part Number	H418*4
Screw Head Style	Flat
Size Name	6mm
Thread Class	Class 2A
Thread Size	m3
Thread Style	Metric
Thread Type	Iso Metric

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.