• Changzhou Ruilida Tools Co., Ltd.
    Customer B
    Now I enjoy our work. Only buy your end mills. Not so much, but only you.
  • Changzhou Ruilida Tools Co., Ltd.
    Customer R
    Today I tested 50HRC 3 flutes end mill for aluminum. It was very very good. Cuts very good. It barely makes a sound.If you stop watching the machine, you cannot say it is cutting.
Contact Person : Jane
Phone Number : 86-13685240516
WhatsApp : +8613685240516

1/8" Aluminum Finishing End Mill 4mm 3 Flute Cutting RLD Tools

Place of Origin China
Brand Name RLD Tools
Model Number HRC55
Minimum Order Quantity 10
Price Negotiable
Packaging Details 1pcs piece of end mill in one plastic tube, 10pcs a bundle, then in a carton.
Delivery Time 5-8 work days
Payment Terms T/T/PayPal/Credit Card
Supply Ability 100000pcs/month
Product Details
Product Name HRC55 4mm High Efficiency Aluminum End Mill Flute Dia 4mm
Flute Length 12mm Overall Length 50mm
Shank Dia 4mm Flute Number 3
Helix 40° Suitable Rough Milling
Carbide Rod CB WF25
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1/8" aluminum finishing end mill 4mm


aluminum finishing end mill 4mm 3 Flute


aluminium cutting end mills

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Product Description

3 Flute Carbide Aluminum End Mill With DLC Coating 4mm Aluminium Milling Bits


Product name RLD HRC55 3 flutes 4mm Aluminum End Mill
Size  4×12×50×4D×3F
Suitable for  Rough milling 
Feature  High efficiency with durable tool life 
Flute Number  3
Coating  DLC coating 
Helix angle  40 
Co 12%
HRA 92.2
TRS Min(N/mm²) 3800
Tolerance Within 0/-0.02mm
Processing machine ANCA/ 



                                             Carbide Raw Material Introduction


End mill grade Carbide rod Grain size HRA Application
HRC50 YG10X 0.6μm 91.8

Aluminum, iron, low alloy steel,

general steel under hardness HRC45

HRC55 WF25 0.6μm 92.2 Cast Iron, Alloy Steel, General steel under hardness HRC50
HRC60 GU25UF 0.4μm 92.5 Super Alloy Steel, Stainless Steel, Titanium, Inconel, Hardened Steel under hardness HRC55
HRC65 GU092 0.2μm 93.5 Alloy Steel, Hardened Steel under hardness HRC62


                                                            Coating   Introduction 

Coating name Color Thickness Hardness Friction The Max ℃
AlTiN Black 1.5-3 3300 0.4 900
AlTiSiN Copper 1.5-3 3500 0.35 1000
TiAlN Dark Violet 1-3 3000 0.4 800
Blue Nano Blue 2-4 3200 0.45 1000
AlCrN Dark grey 1.5-3 3500 0.3 1250
DLC Black 1-3 1800 0.1 350
Diamond Black 2-12 10000 0.02-0.1 650
Coating can be customized according to your requirement



RLD High-efficiency Aluminum End Mill with DLC coating 

Flute Dia(mm) Overall Length(mm) Cutting Length(mm) Shank Dia(mm) Flutes
4 50 12 4 3
6 50 18 6 3
8 60 24 8 3
10 75 30 10 3
12 75 36 12 3

1/8" Aluminum Finishing End Mill 4mm 3 Flute  Cutting RLD Tools 01/8" Aluminum Finishing End Mill 4mm 3 Flute  Cutting RLD Tools 1



1. Are you a manufacturer or trading company?

We are a professional manufacturer of carbide round tools was established in 2011.


2. Which shipping method do you usually use?

We usually send goods by express like DHL, UPS, FedEx, etc. 

We also can send the parcels to your shipping agent in China. 


3. How about the delivery time?

We can dispatch within 2 business days after receiving payment for stock items.

For the out-of-stock items, it depends on the quantity.

Usually is around 5-7 business days.


4. Which payment methods do you accept?

We accept T/T, Trade Assurance Order on Alibaba(credit card), PayPal, etc.


5. Can you produce customized carbide tools?

Yes, we can produce customized carbide tools according to your drawings or samples.


6. Can you do OEM?
Yes, we can engrave your logo on the tool's shank and make customized stickers.


7. Do you have any discounts?

Yes, more quantity will enjoy more discount.

Welcome to send inquiry to us.


8. What kind of grinding machines are you using now? 

ANCA &  

9. What kind of grinding wheels do you use?
We are using WINTER brand grinding wheels.
They are imported from Germany.
A High-quality grinding wheel is also important for the quality of carbide tools.