End Mills With Corner Radius B257X
Code No. B257X-Dc×R
Dc 0
R
-0.02
UMG Carbide
AlTiN X-NaNo
Dc 0 -0.02
AlTiN B257X
R ±0.01 R0.1 R0.2 R0.3 R0.5 R0.1 R0.2 R0.3 R0.5 R0.2 R0.3 R0.5 R1 R0.2 R0.3 R0.5 R1
Lc mm
L mm
d h6
3 3 3 3 4 4 4 4 4 5 5 5 5 6 6 6 6 6 6 8 8 8 8 8 8 8
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10 10 10 10 15 15 15 15 15 18 18 18 18 20 20 20 20 20 20 25 25 25 25 25 25 25 30 30 30 30 30 30 30 40 40 40 40 40 40 40 50 50 50 50 50 50 60 60 60 60 60 60 60
50 50 50 50 60 60 60 60 60 70 70 70 70 80 80 80 80 80 80
3 3 3 3 4 4 4 4 4 5 5 5 5 6 6 6 6 6 6 8 8 8 8 8 8 8
30°
2
N
R
5°
Type of Operation
d
R1
Work Material P H M K N S
R1.5
R2
R0.2 R0.3 R0.5
100 100 100 100 100 100 100 100 100 100 100 100 100 100 110 110 110 110 110 110 110 140 140 140 140 140 140 160 160 160 160 160 160 160
P Steel
R1
R1.5
R2 R3
H <38HRC
Hardened Steel
10 10 10 10 10 10 10 12 12 12 12 12 12 12 16 16 16 16 16 16 20 20 20 20 20 20 20
R0.2 R0.3 R0.5
10 10 10 10 10 10 10 12 12 12 12 12 12 12 16 16 16 16 16 16 20 20 20 20 20 20 20
H <48HRC
Hardened Steel
R1
H <56HRC
Hardened Steel
R1.5
R2 R3
M Stainless Steel
R0.2 R0.3 R0.5
K Cast Iron
R1
R1.5
N Copper
R2 R3
Feature of product: End Mills with Corner Radius- 2 Flutes Long Length. Widely used in roughing 3D curved profile and normal processing. Coating with AlTiN to have perfect wear resistance.
R0.5
R1
R1.5
R2 R3 R4
Suitable for various steel materials up to HRC56.
R0.5
R1
R1.5
R2 R3 R4 R5
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