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KDMT Flat Bottom and Back Draft Finishing End Mill • Necked End Mills • Cylindrical Shank • Steel • Metric
Flat-Bottom and Back-Draft Finishing End Mills
Features and benefits
- Available diameters: 12–25mm.
- High precision and runout accuracy.
- Can be used with the heat shrink technology, h6 shank tolerance.
- Suitable for roughing and finishing operations.
- Works with toroidal and high-feed inserts.
Uses and application
Ramping: Blank
Slotting: Ball Nose
Side Milling/Shoulder Milling: Ball Nose
3D Profiling
Pocketing
Shank - Cylindrical Plain
Workpiece Materials
P
Steel
M
Stainless Steel
K
Cast Iron
N
Non-Ferrous
S
High-Temp Alloys
H
Hardened Materials
Filters and Columns
Filters
Filters
Filters
View filters in
Metric
Inch
Workpiece Material
Workpiece Material
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P Steel (8)
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P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(8)
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P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(8)
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P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(8)
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P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(8)
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P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(8)
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P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(8)
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P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(8)
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M Stainless Steel (8)
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M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(8)
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M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(8)
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M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(8)
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K Cast Iron (8)
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K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(8)
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K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(8)
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K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(8)
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N Non-Ferrous Materials (7)
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N1Wrought Aluminum(7)
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N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(7)
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N3High-Silicon Aluminum Alloys Si >12.2%(7)
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S High-Temp Alloys (8)
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S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(6)
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S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(6)
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S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(7)
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S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(8)
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H Hardened Materials (8)
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H1Hardened Materials 44-48 HRC(8)
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H2Hardened Materials 48-55 HRC(8)
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H3Hardened Materials 56-60 HRC(8)
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Applications
Applications
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Pocket (8)
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Pocket Milling (8)
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Profile Milling (8)
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Ramping (8)
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Shoulder Ball Nose (8)
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Shoulder Milling (8)
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Slot Milling (8)
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Slot Square End (8)
Cutting Diameter
Cutting Diameter
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0.473 in (2)
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0.63 in (2)
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0.787 in (2)
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0.984 in (1)
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1.26 in (1)
to
Cutting Diameter
Cutting Diameter
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12.0 mm (2)
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16.0 mm (2)
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20.0 mm (2)
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25.0 mm (1)
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32.0 mm (1)
to
Cutting Length
Cutting Length
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3.0 mm (2)
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4.0 mm (2)
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5.0 mm (2)
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6.0 mm (1)
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8.0 mm (1)
to
Cutting Length
Cutting Length
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0.119 in (2)
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0.157 in (2)
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0.197 in (2)
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0.237 in (1)
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0.315 in (1)
to
Reach
Reach
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1.339 in (1)
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1.575 in (1)
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1.85 in (1)
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1.891 in (1)
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2.244 in (1)
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2.48 in (1)
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2.835 in (1)
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3.228 in (1)
to
Reach
Reach
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34.0 mm (1)
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40.0 mm (1)
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47.0 mm (1)
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48.0 mm (1)
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57.0 mm (1)
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63.0 mm (1)
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72.0 mm (1)
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82.0 mm (1)
to
Corner Radius
Corner Radius
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0.0 in (2)
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0.031 in (7)
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0.039 in (7)
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0.04 in (4)
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0.052 in (2)
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0.063 in (7)
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0.079 in (3)
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0.103 in (1)
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0.119 in (2)
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0.125 in (1)
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0.157 in (2)
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0.197 in (1)
to
Corner Radius
Corner Radius
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0.0 mm (2)
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0.8 mm (7)
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1.0 mm (7)
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1.026 mm (4)
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1.3 mm (2)
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1.6 mm (7)
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2.0 mm (3)
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2.6 mm (1)
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3.0 mm (2)
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3.176 mm (1)
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4.0 mm (2)
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5.0 mm (1)
to
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
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KC505M (6)
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KC515M (8)
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KC530M (8)
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KCPH15 (7)
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KCPK10 (8)
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KCPK25 (6)
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KNS10 (6)
Front-End
Neck Diameter
Neck Diameter
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0.414 in (2)
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0.551 in (2)
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0.709 in (2)
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0.882 in (1)
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1.127 in (1)
to
Neck Diameter
Neck Diameter
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10.5 mm (2)
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14.0 mm (2)
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18.0 mm (2)
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22.401 mm (1)
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28.6 mm (1)
to
Back-End
Back-End Diameter
Back-End Diameter
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12.0 mm (2)
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16.0 mm (2)
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20.0 mm (2)
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25.0 mm (1)
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32.0 mm (1)
to
Back-End Diameter
Back-End Diameter
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0.473 in (2)
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0.63 in (2)
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0.787 in (2)
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0.984 in (1)
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1.26 in (1)
to
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Metric
Inch
| SAP Material Number | ISO Catalog Number | ANSI Catalog Number | [D1] Effective Cutting Diameter | [D1] Effective Cutting Diameter | [D] Adapter / Shank / Bore Diameter | [D] Adapter / Shank / Bore Diameter | [D3] Neck Diameter | [D3] Neck Diameter | [L] Overall Length | [L] Overall Length | [L1] Gage Length | [L1] Gage Length | [L2] Head Length | [L2] Head Length | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1918690 | KDMT12R130A12SN | KDMT12R130A12SN | 12.0000 | .4724 | 12.0 | .4724 | 10.5000 | .4134 | 132.0000 | 5.196 | 132.0000 | 5.196 | 34.0000 | 1.338 |
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List price:
$359.10
/each
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| 1918691 | KDMT12R150A12SN | KDMT12R150A12SN | 12.0000 | .4724 | 12.0 | .4724 | 10.5000 | .4134 | 152.0000 | 5.984 | 152.0000 | 5.984 | 48.0000 | 1.889 |
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List price:
$359.10
/each
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| 1918692 | KDMT16R140A16SN | KDMT16R140A16SN | 16.0000 | .6300 | 16.0 | .6299 | 14.0000 | .5512 | 142.0000 | 5.590 | 142.0000 | 5.590 | 40.0000 | 1.574 |
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List price:
$229.57
/each
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| 1918693 | KDMT16R160A16SN | KDMT16R160A16SN | 16.0000 | .6300 | 16.0 | .6299 | 14.0000 | .5512 | 162.0000 | 6.378 | 162.0000 | 6.378 | 57.0000 | 2.244 |
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List price:
$367.11
/each
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Qty
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| 1918694 | KDMT20R160A20SN | KDMT20R160A20SN | 20.0000 | .7874 | 20.0 | .7874 | 18.0000 | .7087 | 162.0000 | 6.378 | 162.0000 | 6.378 | 47.0000 | 1.850 |
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List price:
$232.04
/each
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| 1918695 | KDMT20R175A20SN | KDMT20R175A20SN | 20.0000 | .7874 | 20.0 | .7874 | 18.0000 | .7087 | 177.0000 | 6.968 | 177.0000 | 6.968 | 63.0000 | 2.480 |
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List price:
$384.65
/each
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| 1918697 | KDMT25R190A25SN | KDMT25R190A25SN | 25.0000 | .9843 | 25.0 | .9843 | 22.4000 | .8819 | 192.0000 | 7.559 | 192.0000 | 7.559 | 72.0000 | 2.834 |
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List price:
$365.84
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| 1918699 | KDMT32R210A32SN | KDMT32R210A32SN | 32.0000 | 1.259 | 32.0 | 1.259 | 28.6000 | 1.126 | 212.0000 | 8.346 | 212.0000 | 8.346 | 82.0000 | 3.228 |
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Replacement
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| Material Group | Light Machining | General Purpose | Heavy Machining | |||
| – | (Light geometry) | – | (Strong geometry) | |||
| – | wear resistance |  <="" td=""> | toughness | |||
| – | Geometry | Grade | Geometry | Grade | Geometry | Grade |
| P1–P2 | .E..GC | KC515M | .E..GC | KC515M | .E..GN | KC515M |
| P3–P4 | .E..HC | KC505M | .E..GN | KC515M | .E..GN | KC515M |
| P5–P6 | .E..HC | KC505M | .E..GN | KC515M | .E..GN | KC515M |
| M1–M2 | – | – | .E..GC | KC515M | – | – |
| M3 | – | – | .E..GC | KC515M | – | – |
| K1–K2 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| K3 | .E..GN | KC515M | .E..GN | KC515M | .E..GN | KC515M |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | – | – | – | – | – | – |
| S3 | – | – | – | – | – | – |
| S4 | – | – | .E..GC | KC515M | – | – |
| H1 | .E..HC | KC505M | .E..HC | KC505M | .E..GN | KC515M |
Recommended Starting Feeds [mm]
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| .E..GC | 0,12 | 0,25 | 0,34 | 0,09 | 0,19 | 0,25 | 0,08 | 0,17 | 0,22 | 0,07 | 0,16 | 0,21 | 0,07 | 0,15 | 0,20 | .E..GC |
| .E..GN | 0,17 | 0,25 | 0,34 | 0,12 | 0,19 | 0,25 | 0,11 | 0,17 | 0,22 | 0,10 | 0,16 | 0,21 | 0,10 | 0,15 | 0,20 | .E..GN |
| .E..HC | 0,17 | 0,25 | 0,34 | 0,13 | 0,19 | 0,25 | 0,11 | 0,17 | 0,22 | 0,10 | 0,16 | 0,21 | 0,10 | 0,15 | 0,20 | .E..HC |
| Light Machining | General Purpose | Heavy Machining |
Recommended Starting Feeds [IPT]
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| .E..GC | .007 | .010 | .014 | .005 | .008 | .010 | .004 | .007 | .009 | .004 | .006 | .008 | .004 | .006 | .008 | .E..GC |
| .E..GN | .007 | .010 | .014 | .005 | .008 | .010 | .004 | .007 | .009 | .004 | .006 | .008 | .004 | .006 | .008 | .E..GN |
| Light Machining | General Purpose | Heavy Machining |
Recommended Starting Feeds [IPT]
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| .S..HF | .059 | .092 | .131 | .042 | .064 | .086 | .036 | .054 | .073 | .034 | .050 | .067 | .033 | .049 | .066 | .S..HF |
| Light Machining | General Purpose | Heavy Machining |
Recommended Starting Speeds [m/min]
| Material Group | K115M | KC505M | KC515M | |||||||
| P | 1 | – | – | – | – | – | – | 330 | 295 | 255 |
| 2 | – | – | – | – | – | – | 310 | 275 | 240 | |
| 3 | – | – | – | – | – | – | 275 | 240 | 200 | |
| 4 | – | – | – | 360 | 260 | 215 | 240 | 200 | 165 | |
| 5 | – | – | – | 360 | 260 | 215 | 200 | 165 | 130 | |
| 6 | – | – | – | 350 | 240 | 190 | 165 | 130 | 110 | |
| M | 1 | – | – | – | – | – | – | 330 | 275 | 240 |
| 2 | – | – | – | – | – | – | 275 | 220 | 165 | |
| 3 | – | – | – | – | – | – | 220 | 185 | 145 | |
| K | 1 | 220 | 185 | 145 | – | – | – | 440 | 330 | 220 |
| 2 | 185 | 145 | 110 | – | – | – | 330 | 255 | 185 | |
| 3 | 110 | 90 | 75 | – | – | – | 145 | 110 | 75 | |
| N | 1–2 | 440 | 330 | 220 | – | – | – | – | – | – |
| 3 | 295 | 220 | 185 | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | 260 | 205 | 170 | 170 | 120 | 95 |
Recommended Starting Speeds [SFM]
| Material Group | KC515M | |||
| P | 1 | 1080 | 960 | 840 |
| 2 | 1020 | 900 | 780 | |
| 3 | 900 | 780 | 660 | |
| 4 | 780 | 660 | 540 | |
| 5 | 660 | 540 | 420 | |
| 6 | 540 | 420 | 360 | |
| M | 1 | 1080 | 900 | 780 |
| 2 | 900 | 720 | 540 | |
| 3 | 720 | 600 | 480 | |
| K | 1 | 1440 | 1080 | 720 |
| 2 | 1080 | 840 | 600 | |
| 3 | 480 | 360 | 240 | |
| N | 1–2 | – | – | – |
| 3 | – | – | – | |
| S | 1 | – | – | – |
| 2 | – | – | – | |
| 3 | – | – | – | |
| 4 | – | – | – | |
| H | 1 | 550 | 400 | 310 |