• 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

0.787" 20mm Hss Titanium Roughing End Mills Set HRC55 RLD Tools

Place of Origin China
Brand Name RLD Tools
Model Number HRC55
Minimum Order Quantity 1
Price Negotiable
Packaging Details One piece end mill in a plastic tube, ten pieces a bundle, then in carton.
Delivery Time 5-8 work days
Payment Terms T/T/PayPal/Credit Card
Supply Ability 20000pcs/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 Name HRC55 Roughing End Mill 20mm Coating AlTiSiN/Others
Raw Material WF25 Flute Diameter 20mm
Flute Length 45mm Overall Length 100mm
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0.787" 20mm titanium roughing end mill set


0.787" 20mm titanium roughing end mill set HRC55


0.787" hss roughing end mill

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Product Description

HRC55 Roughing End Mill Cutter For Steel 20mm Solid Carbide Roughing End Mills


For Faster Milling & Toughest Jobs.


Designed for high production metal removal.


These carbide rougher's are designed with proprietary knuckle geometry.


This design maximizes strength at the cutting edge to remove the maximum amount of material with minimal vibration or chatter.


Product name

 HRC55 4 Flutes Roughing End Mill for Steel 20mm 

Feature High efficiency for roughing milling 
Suitable for Carbon steel, alloy steel, etc.
Machine type CNC Milling Machine 
Flutes 4
Coating  AlTiSiN/customized
Helix angle 35 degree
Co 12%
HRA 92.2
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









Aluminum, iron, low alloy steel,

general steel under hardness HRC45









Cast Iron, Alloy Steel, General steel under hardness HRC50







92.5 Super Alloy Steel, Stainless Steel, Titanium, Inconel, Hardened Steel under hardness HRC55







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



HRC55 Roughing End Mill for Steel 

Flute Dia(mm) Overall Length(mm) Cutting Length(mm) Shank Dia(mm) Flutes
6 50 15 6 4
8 60 20 8 4
10 75 25 10 4
12 75 30 12 4
14 100 45 14 4
16 100 45 16 4
18 100 45 18 4
20 100 45 20 4


0.787" 20mm Hss Titanium Roughing End Mills Set HRC55 RLD Tools 0

0.787" 20mm Hss Titanium Roughing End Mills Set HRC55 RLD Tools 1




1. Are you a manufacturer or trading company?

We are a professional manufacturer specialized in producing 

carbide end mills, carbide drill bits, and carbide reamers. 


2. Which CNC grinding machine do you use?

All of our end mills are produced by ANCA & machine. 

The stability of tolerance can be assured. 


3. How do you usually dispatch the tools?

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

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


4. How about the delivery time?

We can dispatch the stock goods within 2 business days after receiving payment.

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

It is around 7-10 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 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.