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High-Speed Steel Square End Mill, 4-Flute, Regular / Non-Coated Model (EM4R21)

High-Speed Steel Square End Mill, 4-Flute, Regular / Non-Coated Model EM4R21

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  • Volume Discount

[Features]
·Uncoated 4-flute regular blade length type
·Effective for side milling with 40° helix angle, which is stronger than standard helix angle
·Can be regrinded. Please refer to the page dedicated to "regrinding service" for usage procedures, range of services, prices, etc.

  • Non-Coated
  • 4 Flutes
  • R (Regular)

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Part Number

Configured Part Number is shown.

EM4R21

High-Speed Steel Square End Mill, 4-Flute, Regular / Non-Coated Model:Related Image

General Steel
(S45C~S55C,SS400,SCM)

Heat-Treated
Steel
(NAK55,NAK80,HPM1)

 High-Hardness
Steel
(SKD,SKS,SKH51,DC53)

Stainless
Steel
(SUS303,SUS304) 

Cast Iron
(FC,FCD)

Aluminum
Alloy

Copper
Alloy

Graphite

Resin

~40HRC

~40HRC

~45HRC

~55HRC

~60HRC

~65HRC

~35HRC

 

 

 

 

  

 

 

○ = Suitable

Part Number
EM4R21
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipOuter Diameter (D)
(φ)
Flute Length (ℓ)
(mm)
Shank Diameter (d)
(mm)
Overall Length (L)
(mm)
Length Under Neck (θ)

SGD 74.70

1 Piece(s)Available 4 Day(s) or more 215620122-

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  1. 1

Specifications

High-Speed Steel Square End Mill, 4-Flute, Regular / Non-Coated Model:Related Image

Model Number
EM4R

Outer Diameter
D
Flute Length
Overall Length
L
Under Neck Angle
θ
Shank Diameter
d
3125515°6
4155715°6
5196315°6
619636
7287815°10
8287815°10
9348415°10
10348410
11409715°12
12409712
13409712
14409712
154810815°16
164810816
184810816
195612215°20
205612220
215612220
225612220
236814415°25
256814425
306814425


For Cutting Conditions, Refer to >>Click here.

Basic Information

Work Material General Steel / Cast Iron / Aluminum / Copper Type of Flute Square Number of Flutes(sheet) 4
Tool Material Type Cobalt High-Speed Steel Processing Applications Flat Surface / Side Surface / Groove / Countersunk Coating Non-Coated
Torsion Angle (θ) Standard Helix (30 to 40°) Base-Blade Availability Included Tolerance(mm) 0 ~ +0.03

Please check the type/dimensions/specifications of the part EM4R21 in the High-Speed Steel Square End Mill, 4-Flute, Regular / Non-Coated Model series.

Similar Part Numbers

Part Number
EM4R13
EM4R14
EM4R15
EM4R22
EM4R23
EM4R25
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipOuter Diameter (D)
(φ)
Flute Length (ℓ)
(mm)
Shank Diameter (d)
(mm)
Overall Length (L)
(mm)
Length Under Neck (θ)

SGD 37.61

1 Piece(s)Available 4 Day(s) or more 13401297-

SGD 37.70

1 Piece(s)Available 4 Day(s) or more 14401297-

SGD 44.52

1 Piece(s)Available 4 Day(s) or more 15481610815°

SGD 89.09

1 Piece(s)Available 4 Day(s) or more 225620122-

SGD 104.92

1 Piece(s)Available 4 Day(s) or more 23682514415°

SGD 102.99

1 Piece(s)Available 4 Day(s) or more 256825144-

Tech Support

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