• 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

Solid Carbide 1/4 Inch End Mill Extra Long AlTiSiN Coating

Place of Origin China
Brand Name RLD Tools
Model Number HRC55
Minimum Order Quantity 10
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 30000pcs/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 Imperial Milling Cutters 1/4" End Mill Diameter 1/4"
Overall Length 2" Variable Helix No
Variable Index No Flute Type Spiral
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Carbide 1/4 Inch End Mill Extra Long AlTiSiN


1/4 extra long end mill HRC55 RLD


Imperial carbide mill bits

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Product Description

HRC55 Imperial Milling Cutters 4 Flutes 1/4" Extra Long Carbide End Mill Cutter
End mills are used for carving out pockets, for producing grooves or contours,
as well as for milling over surfaces or edges. With a finishing cutter,
very good dimensional accuracy and a smooth surface can be achieved at high speeds and at a low feed rate.

Product nameHRC50 Imperial Milling Cutters 4 Flutes 1/4" End Mill
FeatureWide application
Suitable for Hardened steel, stainless steel, iron, cast iron, etc. 
Machine typeCNC milling machine 
Coating  AlTiSiN / customized 
Helix35 degree
TRS Min(N/mm²)4000
ToleranceWithin 0/-0.02mm
Processing machineANCA/ 

                                             Carbide Raw Material Introduction

End mill gradeCarbide rodGrain sizeHRAApplication

Aluminum, iron, low alloy steel,

general steel under hardness HRC45

HRC55WF250.6μm92.2Cast Iron, Alloy Steel, General steel under hardness HRC50
HRC60GU25UF0.4μm92.5Super Alloy Steel, Stainless Steel, Titanium, Inconel, Hardened Steel under hardness HRC55
HRC65GU0920.2μm93.5Alloy Steel, Hardened Steel under hardness HRC62

                                                            Coating   Introduction 

Coating nameColorThicknessHardnessFrictionThe Max ℃
TiAlNDark Violet1-330000.4800
Blue NanoBlue2-432000.451000
AlCrNDark grey1.5-335000.31250
Coating also can be customized according to your requirement.

 Solid Carbide 1/4 Inch End Mill Extra Long AlTiSiN Coating 0
Clent's Feedback
Solid Carbide 1/4 Inch End Mill Extra Long AlTiSiN Coating 1
1. Do you prepare inch size carbide end mill in stock? 
For inch size end mill, we only produce against the order. 
2. Are you a manufacturer or trading company?

We are a professional manufacturer of carbide end mills, drill bits, and reamers. 

3. Which CNC grinding machine do you use?

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

ANCA is from Australia

is from Germany. 


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 is also acceptable. 

6. What kind of inspection facilities do you have.
We have PG1000, Omega to ensure the precision of each tool.