• 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

3/4" 5/8" Metric Corner Rounding End Mill 10mm 1mm HRC55 4 Flutes

Place of Origin China
Brand Name RLD Tools
Model Number HRC55-12R0.5
Minimum Order Quantity 1
Price EXW 21USD
Packaging Details 1pcs endmill in a plastic tube, ten pieces a bundle, then put in carton.
Delivery Time 6-8 business days
Payment Terms T/T/PayPal/Credit Card
Supply Ability 100000pcs/month

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product HRC55 4 Flutes 12R0.5 Corner Radius End Mill Flute Diameter 12R0.5
Flute Length 30mm Overall Length 75mm
Shank Dia 12mm Material CB Carbide WF25
Coating AlTiSiN Suitable For P20, SC45, Alloy Steel, General Steel, Etc.
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3/4 corner rounding end mill HRC55 RLD


5/8 corner rounding end mill


10mm corner rounding end mill

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Product Description

HRC55 4 Flutes 12R1 WF25 Solid Corner Radius Endmills

12R0.5 Carbide Cutting Tools for CNC Milling Machine


Product name RLD HRC55 corner radius end mill 10R1
Size 12R0.5*30*75*12D*4F
Suitable for  P20, SC45, pre-hardened mold steel, alloy steel under HRC50
Machine type CNC milling machine 
Flutes 4
Coating   AlTiSiN 
Helix angle 35°
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 also can be customized according to the requirement 



RLD Corner Radius End Mill Standard Size
Flute Dia(mm) Overall Length(mm) Cutting Length(mm) Shank Dia(mm) Flutes
2 (R0.2, 0.5) 50 5 4 4
3 (R0.2, 0.5) 50 8 4 4
4 (R0.2, 0.5) 50 10 4 4
4 (R0.2, 0.5) 75 12 4 4
4 (R0.2, 0.5) 100 16 4 4
5 (R0.5,1) 50 13 6 4
6 (R0.5,1) 50 15 6 4
6 (R0.5,1) 75 18 6 4
6 (R0.5,1) 100 24 6 4
8 (R0.5,1) 60 20 8 4
8 (R0.5,1) 75 24 8 4
8(R0.5,1) 100 32 8 4
10 (R0.5,1) 75 25 10 4
10 (R0.5,1) 100 30 10 4
12 (R0.5,1) 75 30 12 4
12 (R0.5,1) 100 36 12 4


Our package

Step1: The end mill has been finished producing and sent to the warehouse

Step2: 1pcs put in a plastic tube, 10pcs per group by a rubber band

Step3: Use the air bubble film to encase the plastic tube

Step4: Put the goods encased with air bubble film in small packing cartons

Step5: Put another air bubble paper on the cartons and packaging

Step6: Sent by logistics company or express according to customer's need

3/4" 5/8" Metric Corner Rounding End Mill 10mm 1mm HRC55 4 Flutes 03/4" 5/8" Metric Corner Rounding End Mill 10mm 1mm HRC55 4 Flutes 1




1. Are you a manufacturer or trading company?

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


2. Which CNC grinding machine do you use?

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


3. Which shipping method do you usually use?

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

For large quantities, we can send by air or by sea.

We also can send the goods to the 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.

CNY (Chinese Yuan) is also acceptable. 


6. Can you produce special carbide tools?

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


7. Can you do OEM?
Yes, we can engrave your logo on the tool's shank for free. 

We also can make customized labels. 

8. What kind of inspection facilities do you have.
We have PG1000, Omega inspection facilities to check the tolerance of each tool.