3FL | Chamfer | Variable Helix
Micro end mills
Tool Features
Carbide, Variable Helix, 3FL, Corner Chamfer, Bright, AlTiN
Series 1103 Overview
- Hydrostatically CNC ground for accuracy and precision
- Features 45° X 0.003" corner chamfer
- Square end design aids in surface finish quality
- Optional multilayer AlTiN coating for extra edge retention in ferrous materials
- 3FL design for ultimate versatility in ferrous and non-ferrous materials
- Variable helix for vibration dampening
- Diameter Tol.: +/- 0.0005"
- LOC Tol.: +0.0120"/-0
- Shank Tol.: +0/-0.0003"
Series Lineup

Atomic
Series 1103
3 Flute Micro End Mill
Carbide, Variable Helix, 3FL, Corner Chamfer, Bright, AlTiN
P1
P2
P3
M1
M2
K1
K2
N1
N2
S2
H1

Atomic
Series 1104
4 Flute Micro End Mill
Carbide, Variable Helix, 4FL, Corner Chamfer, Bright, AlTiN
P1
P2
P3
M1
M2
K1
K2
N1
N2
S2
H1
Work Materials
P1
P2
P3
M1
M2
K1
K2
N1
N2
S2
H1
Resources
Product Offering
Part Number | cut_dia_in_display | loc_in_display | oal_in_display | shank_dia_in_display | coating | Stock | List Price |
---|---|---|---|---|---|---|---|
251-003010 | (.0312) 1/32 | (0.093) 0.093 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 108 | $33.47 |
251-003010B | (.0312) 1/32 | (0.093) 0.093 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 26 | $38.44 |
251-003015 | (.0312) 1/32 | (.0625) 1/16 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 111 | $41.56 |
251-003015B | (.0312) 1/32 | (.0625) 1/16 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 33 | $49.52 |
251-003020 | (.0312) 1/32 | (.0625) 1/16 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 185 | $42.45 |
251-003020B | (.0312) 1/32 | (.0625) 1/16 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 24 | $50.4 |
251-003025 | (.0469) 3/64 | (0.071) 0.071 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 23 | $32.37 |
251-003025B | (.0469) 3/64 | (0.071) 0.071 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 6 | $37.34 |
251-003030 | (.0469) 3/64 | (0.141) 0.141 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 133 | $32.37 |
251-003030B | (.0469) 3/64 | (0.141) 0.141 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 41 | $37.34 |
251-003035 | (.0469) 3/64 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 152 | $40.47 |
251-003035B | (.0469) 3/64 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 23 | $48.42 |
251-003040 | (.0469) 3/64 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 147 | $41.35 |
251-003040B | (.0469) 3/64 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 28 | $49.3 |
251-003045 | (.0625) 1/16 | (0.093) 0.093 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 96 | $30.6 |
251-003045B | (.0625) 1/16 | (0.093) 0.093 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 32 | $35.57 |
251-003050 | (.0625) 1/16 | (0.186) 0.186 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 30 | $30.6 |
251-003050B | (.0625) 1/16 | (0.186) 0.186 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 1 | $35.57 |
251-003055 | (.0625) 1/16 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 36 | $40.02 |
251-003055B | (.0625) 1/16 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 7 | $47.98 |
251-003060 | (.0625) 1/16 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 103 | $41.79 |
251-003060B | (.0625) 1/16 | (.0938) 3/32 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 26 | $49.75 |
251-003065 | (.0781) 5/64 | (0.117) 0.117 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 27 | $30.6 |
251-003065B | (.0781) 5/64 | (0.117) 0.117 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 71 | $35.57 |
251-003070 | (.0781) 5/64 | (0.234) 0.234 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 103 | $30.6 |
251-003070B | (.0781) 5/64 | (0.234) 0.234 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 52 | $35.57 |
251-003075 | (.0781) 5/64 | (.1563) 5/32 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 30 | $40.91 |
251-003075B | (.0781) 5/64 | (.1563) 5/32 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 80 | $48.86 |
251-003080 | (.0781) 5/64 | (.1563) 5/32 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 171 | $42.23 |
251-003080B | (.0781) 5/64 | (.1563) 5/32 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 173 | $50.19 |
251-003085 | (.09375) 3/32 | (0.14) 0.14 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 65 | $30.6 |
251-003085B | (.09375) 3/32 | (0.14) 0.14 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 38 | $35.57 |
251-003090 | (.09375) 3/32 | (0.279) 0.279 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 7 | $30.6 |
251-003090B | (.09375) 3/32 | (0.279) 0.279 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 16 | $35.57 |
251-003095 | (.09375) 3/32 | (.1875) 3/16 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 118 | $40.91 |
251-003095B | (.09375) 3/32 | (.1875) 3/16 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 89 | $48.86 |
251-003100 | (.09375) 3/32 | (.1875) 3/16 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 153 | $42.23 |
251-003100B | (.09375) 3/32 | (.1875) 3/16 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 17 | $50.19 |
251-003105 | (.1250) 1/8 | (.1875) 3/16 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 106 | $28.39 |
251-003105B | (.1250) 1/8 | (.1875) 3/16 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 50 | $33.36 |
251-003110 | (.1250) 1/8 | (.3750) 3/8 | (1.500) 1-1/2 | (.1250) 1/8 | Bright | 110 | $28.39 |
251-003110B | (.1250) 1/8 | (.3750) 3/8 | (1.500) 1-1/2 | (.1250) 1/8 | AlTiN | 53 | $33.36 |
251-003115 | (.1250) 1/8 | (.2500) 1/4 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 162 | $39.58 |
251-003115B | (.1250) 1/8 | (.2500) 1/4 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 32 | $47.54 |
251-003120 | (.1250) 1/8 | (.2500) 1/4 | (2.500) 2-1/2 | (.1250) 1/8 | Bright | 231 | $43.12 |
251-003120B | (.1250) 1/8 | (.2500) 1/4 | (2.500) 2-1/2 | (.1250) 1/8 | AlTiN | 54 | $51.07 |