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- Solid End Milling
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- High-Performance End Mills
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- VariMill™
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- VariMill I • Series 4VN5 • Square End • Extended Reach and Neck • 4 Flute • Inch
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VariMill I • Series 4VN5 • Square End • Extended Reach and Neck • 4 Flute • Inch
VariMill™
Features and benefits
- Unequal flute spacing.
- Center cutting.
- Single tool for both roughing and finishing operations requiring fewer setups.
- Standard items listed. Additional styles and coatings made to order.
Uses and application
- Ramping: Blank
- Slotting: Square End
- Corner Style: Corner Chamfer
- Corner Style: Corner Radius
- Shank - Cylindrical Plain
- Shank - Cylindrical Weldon
- Side Milling/Shoulder Milling: Square End
- Helix Angle: 38°
- Tool Dimensions: Flute Configuration: 4
Application Data • VariMill I™ • Series 4VN5 • Inch
Side Milling (A) and Slotting (B) | TiAlN-LW | Recommended feed per tooth (IPT = inch/th) for side milling (A). For slotting (B), reduce IPT by 20%. | ||||||||||||
A | B | D1 | ||||||||||||
Cutting Speed | frac. | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | |||||||
Material | ap | ae | ap | Min | Max | dec. | .2500 | .3750 | .5000 | .6250 | .7500 | 1.000 | ||
P | 1 | 0.75 x D | 0.5 x D | 0.75 x D | 500 | – | 650 | IPT | .0018 | .0027 | .0035 | .0039 | .0043 | .0050 |
2 | 0.75 x D | 0.5 x D | 0.75 x D | 450 | – | 625 | IPT | .0018 | .0027 | .0035 | .0039 | .0043 | .0050 | |
3 | 0.75 x D | 0.5 x D | 0.75 x D | 400 | – | 525 | IPT | .0015 | .0023 | .0029 | .0034 | .0038 | .0046 | |
4 | 0.75 x D | 0.5 x D | 0.5 x D | 300 | – | 475 | IPT | .0014 | .0020 | .0026 | .0030 | .0033 | .0039 | |
5 | 0.75 x D | 0.5 x D | 0.75 x D | 200 | – | 325 | IPT | .0012 | .0018 | .0023 | .0027 | .0030 | .0036 | |
6 | 0.75 x D | 0.5 x D | 0.5 x D | 150 | – | 225 | IPT | .0010 | .0015 | .0019 | .0022 | .0024 | .0028 | |
M | 1 | 0.75 x D | 0.5 x D | 0.75 x D | 260 | – | 330 | IPT | .0015 | .0023 | .0029 | .0034 | .0038 | .0046 |
2 | 0.75 x D | 0.5 x D | 0.75 x D | 200 | – | 260 | IPT | .0012 | .0018 | .0023 | .0027 | .0030 | .0036 | |
3 | 0.75 x D | 0.5 x D | 0.75 x D | 200 | – | 260 | IPT | .0010 | .0015 | .0019 | .0022 | .0024 | .0028 | |
K | 1 | 0.75 x D | 0.5 x D | 0.75 x D | 390 | – | 520 | IPT | .0018 | .0027 | .0035 | .0039 | .0043 | .0050 |
2 | 0.75 x D | 0.5 x D | 0.75 x D | 360 | – | 460 | IPT | .0015 | .0023 | .0029 | .0034 | .0038 | .0046 | |
3 | 0.75 x D | 0.5 x D | 0.75 x D | 330 | – | 430 | IPT | .0012 | .0018 | .0023 | .0027 | .0030 | .0036 | |
S | 1 | 0.75 x D | 0.3 x D | 0.3 x D | 160 | – | 300 | IPT | .0015 | .0023 | .0029 | .0034 | .0039 | .0045 |
2 | 0.75 x D | 0.3 x D | 0.3 x D | 80 | – | 130 | IPT | .0008 | .0012 | .0015 | .0018 | .0021 | .0024 | |
3 | 0.75 x D | 0.5 x D | 0.75 x D | 80 | – | 130 | IPT | .0008 | .0012 | .0015 | .0018 | .0021 | .0024 | |
4 | 0.75 x D | 0.5 x D | 0.75 x D | 160 | – | 200 | IPT | .0011 | .0017 | .0021 | .0025 | .0028 | .0033 | |
H | 1 | 0.75 x D | 0.5 x D | 0.5 x D | 260 | – | 450 | IPT | .0014 | .0020 | .0026 | .0030 | .0033 | .0039 |