Bull Endmill 4 Flutes Solid Carbide Corner Radius End Mills HRC55

Brand Name:RLD Tools
Model Number:HRC55
Minimum Order Quantity:1
Delivery Time:5-8 work days
Payment Terms:T/T/PayPal/Credit Card
Place of Origin:China
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Location: Changzhou Jiangsu China
Address: NO. 34 Hejiangshang, Anjia. Chunjiang Town, Xinbei District, Changzhou City, Jiangsu Province, China
Supplier`s last login times: within 31 hours
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Product Details

Bull Endmill 4 Flutes Solid Carbide Corner Radius End Mills Radius HRC55


Bull endmill is a kind of corner radius end mill. This bull endmill is with single end. It’s mainly used for making a corner radius at the bottom.

The cutting edge of bull endmill is stronger than square end mills. So the bull endmill is with great productivity. It can be used in mold profiling applications with greater productivity than ball end mills. Our company’s solid carbide bull end mills are available in many diameters and over- lengths with different series for different applications.


Product nameRLD HRC55 4 Bull End Mill
FeatureMultipurpose series
Suitable forPre-hardened steel, stainless steel, iron, cast iron
Machine typeCNC milling machine
Flutes4
CoatingAlTiSiN/Customized
Helix angle35 degree
Co12%
HRA92.8
TRS Min(N/mm²)4200
ToleranceWithin 0/-0.02mm
Processing machineANCA/

Carbide Raw Material Introduction


End mill gradeCarbide rodGrain sizeHRAApplication
HRC50YG10X0.6μm91.8

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 ℃
AlTiNBlack1.5-333000.4900
AlTiSiNCopper1.5-335000.351000
TiAlNDark Violet1-330000.4800
Blue NanoBlue2-432000.451000
AlCrNDark grey1.5-335000.31250
DLCBlack1-318000.1350
DiamondBlack2-12100000.02-0.1650
Coating also can be customized according to your requirement.

RLD Corner Radius End Mill Standard Size
HRC50/55/60/65
Flute Dia(mm)Overall Length(mm)Cutting Length(mm)Shank Dia(mm)Flutes
2 (R0.2, 0.5)50544
3 (R0.2, 0.5)50844
4 (R0.2, 0.5)501044
4 (R0.2, 0.5)751244
4 (R0.2, 0.5)1001644
5 (R0.5,1)501364
6 (R0.5,1)501564
6 (R0.5,1)751864
6 (R0.5,1)1002464
8 (R0.5,1)602084
8 (R0.5,1)752484
8(R0.5,1)1003284
10 (R0.5,1)7525104
10 (R0.5,1)10030104
12 (R0.5,1)7530124
12 (R0.5,1)10036124


China Bull Endmill 4 Flutes Solid Carbide Corner Radius End Mills HRC55 supplier

Bull Endmill 4 Flutes Solid Carbide Corner Radius End Mills HRC55

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