OSL

High Performace End Mills With Corner Radius B278ATX

B278ATX

Lc

R

L

SMG Carbide

Tool Material/ Coating Type

AITiSiN

Type of Operation

N

R

Specification

55°

-10°

4

Work Materials ( ◎ The most recommended/ ○ recommended)

Carbon Steel

Tool Steel

Pre-hardend Steel

Nonferrous Metals

Aerospace Materials

Stainless Steel

Alloy Steel

Cast Steel

Pre-hardend Steel

Hardened Steel

Heat- resistant Steel

Composite Material

Aluminium Copper

Plastics

Graphite Titanium Nickel

~30HRC

~48HRC ~56HRC ~68HRC

B278ATX

◎ ◎ ◎

※ Feature of product B278ATX Long Length End Mills with Corner Radius- 4 Flutes Finishing application for high-hardness contour and profile machining.

Negative rake angle and cutting edge with a small cutting land, with AlTiSiN coating provide excellent wear resistance. Excellent surface finishing on profile contour machining, able to cut pre-hardened and hardened steel up to HRC70.

Code No. B278ATX-Dc × R Dc 0 -0.02

B278ATX SMG AlTiSiN 48~68HRC

R ±0.005

Lc mm

L mm

d h6

6 6 6 6 8 8 8 8

R0.2 R0.5

20 20 20 20 25 25 25 25 30 30 30 30 40 40 40 40 50 50 50 50 60 60 60 60

80 80 80 80

6 6 6 6 8 8 8 8

● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●

R1

R1.5 R0.2 R0.5

100 100 100 100 100 100 100 100 110 110 110 110 140 140 140 140 160 160 160 160

R1 R2

10 10 10 10 12 12 12 12 16 16 16 16 20 20 20 20

R0.2 R0.5

10 10 10 10 12 12 12 12 16 16 16 16 20 20 20 20

R1 R2

R0.2 R0.5

R1 R2

R0.5

R1 R2 R3

R0.5

R1 R2 R3

75

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