438CB | 4FL | Radius | Chip Breaker
Solid carbide end mills for Stainless, Titanium, Steel and other Ferrous Alloys
Tool Features
Carbide, 38° Helix, 4FL, Corner Radius, Square, h6, Chip Breaker, FX3
Series 2117 - 438CB Overview
- Premium sub-micron grade carbide substrate for wear resistance
- Unequal index tool for Titanium, stainless and other gummy materials
- Suited for slotting and profiling milling operations
- Specialized edge honing
- Staggered chip breakers
- SafeLock® shank available upon request
Series Lineup

PYSTL™
Series 2100 - 438
4 Flute End Mill
Carbide, Variable Helix, 4FL, Corner Radius, Square, h6, FX3
P1
P2
P3
M1
M2
K1
K2
S2

PYSTL™
Series 2105 - 438RN
4 Flute End Mill - Reduced Neck
Carbide, Variable Helix, 4FL, Corner Radius, Square, Reduced Neck, h6, FX3
P1
P2
P3
M1
M2
K1
K2
S2

PYSTL™
Series 2115 - 438
4 Flute Ball Nose End Mill
Carbide, Variable Helix, 4FL, Ball Nose, h6, FX3
P1
P2
P3
M1
M2
K1
K2
S2

PYSTL™
Series 2117 - 438CB
4 Flute End Mill - Chip Breaker
Carbide, 38° Helix, 4FL, Corner Radius, Square, h6, Chip Breaker, FX3
P1
P2
P3
M1
M2
K1
K2
S2

PYSTL™
Series 2205 - 538
5 Flute End Mill
Carbide, Variable Helix, 5FL, Corner Radius, Square, h6, FX3
P1
P2
P3
M1
M2
K1
K2
S2

PYSTL™
Series 2213 - 538RN
5 Flute End Mill - Reduced Neck
Carbide, Variable Helix, 5FL, Corner Radius, Square, Reduced Neck, h6, FX3
P1
P2
P3
M1
M2
K1
K2
S2

PYSTL™
Series 2215 - 738
7 Flute End Mill
Carbide, 38° Helix, 7FL, Corner Radius, Square, h6, FX3
P1
P2
P3
M1
M2
K1
K2
S2
Work Materials
P1
P2
P3
M1
M2
K1
K2
S2
Technical Specifications
Resources
Product Offering
Part Number | cut_dia_in_display | loc_in_display | oal_in_display | shank_dia_in_display | radius_in_display | Stock | List Price |
---|---|---|---|---|---|---|---|
311235 | (.1250) 1/8 | (.7500) 3/4 | (2.500) 2-1/2 | (.1250) 1/8 | 0.01 | 3 | $39.31 |
311237 | (.1875) 3/16 | (.3125) 5/16 | (2.00) 2 | (.1875) 3/16 | 0.01 | 33 | $31.79 |
311241 | (.1875) 3/16 | (0.5625) 9/16 | (2.00) 2 | (.1875) 3/16 | 0.01 | 0 | $41.11 |
311245 | (.1875) 3/16 | (.7500) 3/4 | (2.500) 2-1/2 | (.1875) 3/16 | 0.01 | 0 | $41.39 |
311248 | (.2500) 1/4 | (.3750) 3/8 | (2.00) 2 | (.2500) 1/4 | 0.02 | 5 | $34.19 |
311250 | (.2500) 1/4 | (.5000) 1/2 | (2.500) 2-1/2 | (.2500) 1/4 | 0.02 | 0 | $38.68 |
311254 | (.2500) 1/4 | (.7500) 3/4 | (2.500) 2-1/2 | (.2500) 1/4 | 0.02 | 0 | $47.05 |
311258 | (.2500) 1/4 | (1.0) 1 | (3.00) 3 | (.2500) 1/4 | 0.02 | 1 | $52.03 |
311262 | (.3125) 5/16 | (.4375) 7/16 | (2.00) 2 | (.3125) 5/16 | 0.02 | 19 | $49.67 |
311265 | (.3125) 5/16 | (.8125) 13/16 | (2.500) 2-1/2 | (.3125) 5/16 | 0.02 | 1 | $55.1 |
311268 | (.3125) 5/16 | (1.0) 1 | (3.00) 3 | (.3125) 5/16 | 0.02 | 41 | $60.08 |
311271 | (.3750) 3/8 | (.5000) 1/2 | (2.00) 2 | (.3750) 3/8 | 0.02 | 11 | $57.04 |
311275 | (.3750) 3/8 | (.8750) 7/8 | (2.500) 2-1/2 | (.3750) 3/8 | 0.02 | 38 | $62.18 |
311278 | (.3750) 3/8 | (1.0) 1 | (2.500) 2-1/2 | (.3750) 3/8 | 0.02 | 16 | $67.9 |
311280 | (.3750) 3/8 | (1.250) 1-1/4 | (3.00) 3 | (.3750) 3/8 | 0.02 | 11 | $73.9 |
311282 | (.3750) 3/8 | (1.500) 1-1/2 | (3.00) 3 | (.3750) 3/8 | 0.02 | 0 | $73.9 |
311284 | (.5000) 1/2 | (.6250) 5/8 | (2.500) 2-1/2 | (.5000) 1/2 | 0.03 | 6 | $85.22 |
311287 | (.5000) 1/2 | (1.0) 1 | (3.00) 3 | (.5000) 1/2 | 0.03 | 23 | $99.41 |
311290 | (.5000) 1/2 | (1.250) 1-1/4 | (3.00) 3 | (.5000) 1/2 | 0.03 | 139 | $104.19 |
311292 | (.5000) 1/2 | (1.625) 1-5/8 | (4.00) 4 | (.5000) 1/2 | 0.02 | 3 | $120.71 |
311294 | (.5000) 1/2 | (1.625) 1-5/8 | (4.00) 4 | (.5000) 1/2 | 0.03 | 6 | $120.71 |
311297 | (.5000) 1/2 | (2.00) 2 | (4.00) 4 | (.5000) 1/2 | 0.03 | 11 | $120.71 |
311300 | (.6250) 5/8 | (.7500) 3/4 | (3.00) 3 | (.6250) 5/8 | 0.03 | 8 | $129.37 |
311302 | (.6250) 5/8 | (1.250) 1-1/4 | (3.500) 3-1/2 | (.6250) 5/8 | 0.03 | 4 | $149.71 |
311305 | (.6250) 5/8 | (1.625) 1-5/8 | (3.500) 3-1/2 | (.6250) 5/8 | 0.03 | 27 | $157.12 |
311307 | (.6250) 5/8 | (2.125) 2-1/8 | (4.00) 4 | (.6250) 5/8 | 0.03 | 104 | $178.32 |
311310 | (.6250) 5/8 | (2.500) 2-1/2 | (5) 5 | (.6250) 5/8 | 0.03 | 0 | $197.3 |
311314 | (.7500) 3/4 | (1.0) 1 | (3.00) 3 | (.7500) 3/4 | 0.03 | 4 | $169.92 |
311317 | (.7500) 3/4 | (1.625) 1-5/8 | (4.00) 4 | (.7500) 3/4 | 0.03 | 0 | $208.52 |
311320 | (.7500) 3/4 | (2.250) 2-1/4 | (5) 5 | (.7500) 3/4 | 0.03 | 22 | $252.12 |
311324 | (.7500) 3/4 | (2.750) 2-3/4 | (5) 5 | (.7500) 3/4 | 0.03 | 3 | $263.49 |
311327 | (.7500) 3/4 | (3.25) 3-1/4 | (6) 6 | (.7500) 3/4 | 0.03 | 0 | $316.96 |
311330 | (1) 1 | (1.250) 1-1/4 | (4.00) 4 | (1) 1 | 0.03 | 0 | $307.99 |
311333 | (1) 1 | (2.00) 2 | (4.00) 4 | (1) 1 | 0.03 | 2 | $327.86 |
311337 | (1) 1 | (2.625) 2-5/8 | (5) 5 | (1) 1 | 0.03 | 0 | $425.01 |
311340 | (1) 1 | (3.25) 3-1/4 | (6) 6 | (1) 1 | 0.03 | 0 | $473.29 |
311344 | (1) 1 | (4.25) 4-1/4 | (7) 7 | (1) 1 | 0.03 | 14 | $512.49 |