• 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

Tungsten Solid Carbide Imperial Milling Cutters 4 Flutes Flat Endmills Uncoated

Place of Origin China
Brand Name RLD Tools
Model Number HRC50
Minimum Order Quantity 1
Price 2.5-80USD/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
Product Details
Type Imperial Milling Cutters Size Customized
Material Tungsten Solid Carbide Suitable For Steel, Iron, Aluminum, Copper, Etc.
Single Or Double End Mill Single Shank Tolerance H6
Flute Type Spiral Helix Angle 30
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Tungsten Solid Carbide Imperial Milling Cutters


4 Flutes Imperial Milling Cutters


Uncoated 4 Flutes Flat Endmills

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Product Description

Imperial Milling Cutters Factory Uncoated Silver Tungsten Solid Carbide 4 Flutes Flat Endmills




Milling cutter and operating instructions that buyers need to know


1. Before using the tool, please measure the tool runout. When the tool runout accuracy exceeds 0.01mm,

please correct it before cutting.


2. The shorter the tool extends out of the collet, the better. If the tool extends longer, reduce the speed,

feed rate or cutting amount.


4. In case of abnormal vibration or sound during cutting, please reduce the speed and cutting amount until the

situation is improved.


Product name RLD HRC50 4 flutes square Imperial Milling Cutters
Feature Wide application, durable tool life 
Suitable for  Pre-hardened steel, Aluminium, iron, cast iron, etc
Machine type CNC milling machine 
Flutes 4
Coating   AlTiN/Uncoated
Helix 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.

 Tungsten Solid Carbide Imperial Milling Cutters 4 Flutes Flat Endmills Uncoated 0
1. Are you a manufacturer or trading company?

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


2. What kind of grinding wheels do you use?
We are using WINTER brand grinding wheels.
They are imported from Germany.
The high-quality grinding wheel is also important for the quality of carbide tools.

3. Which shipping method do you usually use?
We usually send goods by express like FedEx, UPS, DHL, TNT, EMS, ETC.
For large amounts, we can send it by air or by sea.


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. Do you have any discounts?
Yes, more quantity will enjoy more discount.
Welcome to sending inquiries to us.

7. Can you produce special carbide tools?

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


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