4FL | Chip Breaker | Radius
Solid carbide end mills for ferrous and non-ferrous materials
Tool Features
Carbide, 30° Helix, 4FL, Corner Radius, Chip Breaker, Bright, AlTiN
Series 2140 Overview
- Sub-micron grade carbide substrate for wear resistance
- Designed for heavy material removal applications where cycle times are critical
- Chip breaker profile creates smaller chips for less edge build up and lower power usage
- Stocked Bright and AlTiN
- Diameter Tol.: +0/-0.002"
- Shank Tol.: +0/-0.0004"
Series Lineup
Attacker
Series 2142
3 Flute Chip Breaker End Mill
Carbide, 30° Helix, 3FL, Corner Radius, Chip Breaker, Bright, AlTiN
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
H1
Attacker
Series 2143
3 Flute Chip Breaker Ball Nose End Mill
Carbide, 30° Helix, 3FL, Ball Nose, Chip Breaker, Bright, AlTiN
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
H1
Attacker
Series 2140
4 Flute Chip Breaker End Mill
Carbide, 30° Helix, 4FL, Corner Radius, Chip Breaker, Bright, AlTiN
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
H1
Attacker
Series 2141
4 Flute Chip Breaker Ball Nose End Mill
Carbide, 30° Helix, 4FL, Ball Nose, Chip Breaker, Bright, AlTiN
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
H1
Work Materials
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
H1
Resources
Product Offering
| Part Number | cut_dia_in_display | loc_in_display | oal_in_display | shank_dia_in_display | radius_in_display | coating | Stock | List Price |
|---|---|---|---|---|---|---|---|---|
| 257-125500 | (.1250) 1/8 | (.5000) 1/2 | (1.500) 1-1/2 | (.1250) 1/8 | 0.01 | Bright | 24 | $20.44 |
| 257-125503 | (.1250) 1/8 | (.5000) 1/2 | (1.500) 1-1/2 | (.1250) 1/8 | 0.01 | AlTiN | 63 | $24.08 |
| 257-187625 | (.1875) 3/16 | (.6250) 5/8 | (2.00) 2 | (.1875) 3/16 | 0.01 | Bright | 71 | $24.57 |
| 257-187628 | (.1875) 3/16 | (.6250) 5/8 | (2.00) 2 | (.1875) 3/16 | 0.01 | AlTiN | 96 | $29.24 |
| 257-250750 | (.2500) 1/4 | (.7500) 3/4 | (2.500) 2-1/2 | (.2500) 1/4 | 0.01 | Bright | 75 | $30.03 |
| 257-250753 | (.2500) 1/4 | (.7500) 3/4 | (2.500) 2-1/2 | (.2500) 1/4 | 0.01 | AlTiN | 67 | $37.1 |
| 257-312812 | (.3125) 5/16 | (.8125) 13/16 | (2.500) 2-1/2 | (.3125) 5/16 | 0.01 | Bright | 210 | $34.88 |
| 257-312815 | (.3125) 5/16 | (.8125) 13/16 | (2.500) 2-1/2 | (.3125) 5/16 | 0.01 | AlTiN | 54 | $47.92 |
| 257-375875 | (.3750) 3/8 | (1) 1 | (2.500) 2-1/2 | (.3750) 3/8 | 0.015 | Bright | 99 | $39.7 |
| 257-375878 | (.3750) 3/8 | (1) 1 | (2.500) 2-1/2 | (.3750) 3/8 | 0.015 | AlTiN | 44 | $52.76 |
| 257-437100 | (.4375) 7/16 | (1) 1 | (2.750) 2-3/4 | (.4375) 7/16 | 0.015 | Bright | 167 | $50.61 |
| 257-437103 | (.4375) 7/16 | (1) 1 | (2.750) 2-3/4 | (.4375) 7/16 | 0.015 | AlTiN | 38 | $66.94 |
| 257-500100 | (.5000) 1/2 | (1) 1 | (3.00) 3 | (.5000) 1/2 | 0.015 | Bright | 672 | $69.93 |
| 257-500103 | (.5000) 1/2 | (1) 1 | (3.00) 3 | (.5000) 1/2 | 0.015 | AlTiN | 120 | $86.27 |
| 257-625114 | (.6250) 5/8 | (1.250) 1-1/4 | (3.500) 3-1/2 | (.6250) 5/8 | 0.02 | Bright | 295 | $122.15 |
| 257-625117 | (.6250) 5/8 | (1.250) 1-1/4 | (3.500) 3-1/2 | (.6250) 5/8 | 0.02 | AlTiN | 39 | $148.47 |
| 257-750112 | (.7500) 3/4 | (1.500) 1-1/2 | (4.00) 4 | (.7500) 3/4 | 0.02 | Bright | 253 | $183.28 |
| 257-750115 | (.7500) 3/4 | (1.500) 1-1/2 | (4.00) 4 | (.7500) 3/4 | 0.02 | AlTiN | 23 | $214.63 |