• 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

DLC Coating 3 Flutes Aluminium Square End Mill U Groove Shaped

Place of Origin China
Brand Name RLD Tools
Model Number HRC55-10mm
Minimum Order Quantity 1pcs for standard size
Price Negotiable for Aluminum End Mill
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 3 Flute 10mm Aluminum End Mill U Shape With DLC Coating Flute Diameter 10mm
Flute Length 30mm Overall Length 75mm
Feature U Groove Shape Application Rough And Finish Milling
Raw Material WF25 Country Of Origin China
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DLC Coating Aluminium Square End Mill


3 Flutes Square End Mill


U Groove Shaped Aluminum End Mill

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Product Description

10mm DLC Coating Big Capacity High-efficiency 3 Flutes Aluminium Square Endmill

RLD End Mill Catalog in English.pdf


DLC Diamond-like Carbon Coating can provide up to 100% increase in tool life, the polished surface

of the flutes decrease cutting forces, and are excellent in finishing operations. Can be used for dry cutting.


1. Special Cutting Edge: Special cutting edge can increase the cutting ability.

The lifetime of tools and machines will be longer


2. U shape design: It is suitable for high feed rate slot milling


3. Smooth And Wide Flute: Smooth and wide flute will remove the cuttings more easily


4. DLC Coating: can increase lifetime 2-3 times longer


5. High-quality Raw Material: The raw material is used of high toughness, grain-sized carbon tungsten


6. Polished Surface Treatment: With high polished surface treatment, reduce the friction coefficient could be reduced,

the lathe efficiency could be improved, more production time could be saved


Product name DLC Coating UShape High-efficiency 3 flutes Square Aluminum End Mill
Size  10×30×75×10D×3F
Suitable for  Aluminum, Copper, brass, etc
Feature  Can be used for roughing and finishing
Flute Number  3
Coating  DLC Coating 
Helix angle 40°
Co 12%
HRA 92.8
TRS Min(N/mm²) 4000
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 also can be customized 



DLC Coating UShape High-efficiency 3 flutes Square Aluminum End Mill
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


DLC Coating 3 Flutes Aluminium Square End Mill U Groove Shaped 0DLC Coating 3 Flutes Aluminium Square End Mill U Groove Shaped 1DLC Coating 3 Flutes Aluminium Square End Mill U Groove Shaped 2


Customers Feedback

DLC Coating 3 Flutes Aluminium Square End Mill U Groove Shaped 3




1. Are you a manufacturer or trading company?

Our company is especially producing carbide end mills, drill bits, and reamers.


2. Which CNC grinding machine do you use?

All of our carbide tools are produced by ANCA & machine.

The precision of ANCA & can be assured.


3. Which shipping method do you usually use?

We usually send goods by express like FedEx, UPS, DHL, TNT, EMS, ETC.

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


4. How about the delivery time?

For stock items, we can dispatch within 2 business days after receiving payment.

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

Usually is around 5-7 business days.


5. Which payment methods do you accept?

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


6. Can you produce special carbide tools?

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

7. How do you ensure the stability of quality?
Our company seldom change rod suppliers.
And we only sell the tools produced by ourselves.
So for the same grade, our quality is always the same.


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