• 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

1/4" 1/2" 3/8" Radius Corner Rounding End Mill Cutters HRC50 4Fl Nano Black Coating

Place of Origin China
Brand Name RLD Tools
Model Number HRC50-8R0.5
Minimum Order Quantity 1
Price EXW 8.5USD/negotiable
Packaging Details 1pcs end mill in a plastic tube, ten pieces a bundle, then put in carton.
Delivery Time 5-8 work 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 HRC50 4 Flutes 8R0.5 Corner Radius End Mill Flute Diameter 8R0.5
Flute Length 20mm Overall Length 60mm
Shank Dia 8mm Material ZY10EF
Coating AlTiN Suitable For Steel
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1/4 radius corner rounding end mill


1/2 radius corner rounding end mill


corner rounding milling cutters

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Product Description

HRC50 4 Flutes Tungsten Solid Carbide Bull Nose End Mill 6mm with Radius 0.5 for Steel



Product name RLD HRC50 corner radius end mill 6R0.5
Size 6R0.5*15*50*6D*4F
Suitable for  Pre-hardened steel, stainless steel, iron, cast iron, etc.
Machine type CNC milling machine 
Flutes 4
Coating   AlTiN
Helix angle 35 degree
Co 10%
HRA 91.8
TRS Min(N/mm²) 4000
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 your 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



We also can produce the corner radius end mill with R0.2, R1.5, R2, R3, etc. 


Our package

Step1: The milling cutter has been finished producing and sent to the warehouse

Step2: One cutter put in a plastic pipe, 10pieces per group bind with a rubber band

Step3: Use the air bubble paper to encase the plastic pipe

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

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

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


1/4" 1/2" 3/8" Radius Corner Rounding End Mill Cutters HRC50 4Fl Nano Black Coating 01/4" 1/2" 3/8" Radius Corner Rounding End Mill Cutters HRC50 4Fl Nano Black Coating 1






1. Are you a manufacturer or trading company?

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


2. Which CNC grinding machine do you use?

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

ANCA is imported from Australia, is imported from Germany.


3. Which shipping method do you usually use?

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

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

We also can send products 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.

We also can accept the payment through CNY (Chinese Yuan) 


6. Do you attend international exhibitions?

Yes, we had attended exhibitions in Indonesia, India, Russia, Thailand, Vietnam,

Brazil, etc.


7. Can you produce special carbide tools?

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


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


11. How many grinding machines do you have now?
Our company has 13 sets of CNC grinding machines.


12. Do you have any discounts?

Yes, welcome to send inquiry to us.