Product Similar To:
Mill 4-12KT™ • Shell Mill • Inch
Shoulder milling cutter for steel and cast iron
Material Number7009753
ISO Catalog IDKT4D250Z08S100LN12L175ANSI Catalog IDKT4D250Z08S100LN12L175
- P Steel
- M Stainless Steel
- K Cast Iron
- S High-Temp Alloys
- H Hardened Materials
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Material Number | 7009753 |
ISO Catalog ID | KT4D250Z08S100LN12L175 |
ANSI Catalog ID | KT4D250Z08S100LN12L175 |
[D1] Effective Cutting Diameter | 63.5 mm |
[D1] Effective Cutting Diameter | 2.5 in |
[D] Adapter / Shank / Bore Diameter | 25.4 mm |
[D] Adapter / Shank / Bore Diameter | 1 in |
[D6] Hub Diameter | 55.626 mm |
[D6] Hub Diameter | 2.19 in |
[L] Overall Length | 44.45 mm |
[L] Overall Length | 1.75 in |
[AP1MAX] 1st Maximum Cutting Depth | 12.146 mm |
[AP1MAX] 1st Maximum Cutting Depth | .4782 in |
Number of Inserts | 8 |
Weight Pounds | 1.43 |
Max RPM | 22000 |
Workpiece Materials
- Steel
- Stainless Steel
- Cast Iron
- High-Temp Alloys
- Hardened Materials
Features and benefits
- Fine, coarse, and medium pitch cutters.
- Advanced insert/pocket interface ensures stability and consistent performance in difficult applications.
- Up to 15% lower power consumption.
- Easy insert indexing through screw clamping.
Create Solution to calculate Feeds and Speeds
After creating a solution just choose the Feeds & Speeds icon and our system will provide recommendations. You can customize the information by adding your machine and specifications or make adjustments using the sliders.
Insert Selection
Insert Selection Guide
Mill 4-12KT™ • Insert Selection Guide | ||||||
Material Group | Light | General | Heavy | |||
– | (Light geometry) | – | (Strong geometry) | |||
– | wear | toughness | ||||
– | Geometry | Grade | Geometry | Grade | Geometry | Grade |
P1-P2 | .E..GE | KC522M | .E..PU | KCPM40 | .E..HD | KCPM40 |
P3-P4 | .E..GE | KC522M | .E..PU | KCPM40 | .E..HD | KCPM40 |
P5-P6 | .E..GE | KC522M | .E..PU | KC725M | .E..HD | KCPK30 |
M1-M2 | .E..GE | KC522M | .E..PU | KCSM40 | .E..HD | KCPM40 |
M3 | .E..GE | KC522M | .E..GE | KCSM40 | .E..HD | KCPM40 |
K1-K2 | .E..GE | KCK15 | .E..PU | KCK20B | .E..HD | KCK15 |
K3 | .E..GE | KCK20B | .E..PU | KCK20B | .E..HD | KCK20B |
N1-N2 | – | – | – | – | – | – |
N3 | – | – | – | – | – | – |
S1-S2 | .E..GE | KC522M | .E..PU | KCSM40 | – | – |
S3 | .E..GE | KC522M | .E..GE | KCSM40 | – | – |
S4 | .E..GE | KC522M | .E..GE | KCSM40 | – | – |
H1 | – | – | – | – | – | – |
Feeds
Recommended Starting Feeds [mm]
Mill 4-12KT™ • Recommended Starting Feeds [mm/th] | |||||||||||||||
Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | ||||||||||||||
10% | 20% | 30% | 40% | 50–100% | |||||||||||
L | M | H | L | M | H | L | M | H | L | M | H | L | M | H | |
.E..GE | 0,12 | 0,33 | 0,09 | 0,25 | 0,08 | 0,22 | 0,07 | 0,2 | 0,07 | 0,2 | |||||
.E..PU | 0,12 | 0,35 | 0,45 | 0,09 | 0,3 | 0,4 | 0,08 | 0,25 | 0,35 | 0,07 | 0,2 | 0,33 | 0,07 | 0,2 | 0,3 |
.E..HD | 0,12 | 0,35 | 0,55 | 0,09 | 0,3 | 0,44 | 0,08 | 0,25 | 0,38 | 0,07 | 0,2 | 0,36 | 0,07 | 0,2 | 0,35 |
L = Light Machining; M = Medium Machining; H = Heavy Machining NOTE: Use Light Machining values as starting feed rate. |
Recommended Starting Feeds [IPT]
Mill 4-12KT™ • Recommended Starting Feeds [IPT] | |||||||||||||||
Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | ||||||||||||||
10% | 20% | 30% | 40% | 50–100% | |||||||||||
L | M | H | L | M | H | L | M | H | L | M | H | L | M | H | |
.E..GE | 0.005 | 0.013 | 0.004 | 0.01 | 0.003 | 0.009 | 0.003 | 0.008 | 0.003 | 0.008 | |||||
.E..PU | 0.005 | 0.014 | 0.018 | 0.004 | 0.012 | 0.016 | 0.003 | 0.01 | 0.014 | 0.003 | 0.008 | 0.013 | 0.003 | 0.008 | 0.012 |
.E..HD | 0.005 | 0.014 | 0.022 | 0.004 | 0.012 | 0.017 | 0.003 | 0.01 | 0.015 | 0.003 | 0.008 | 0.014 | 0.003 | 0.008 | 0.014 |
L = Light Machining; M = Medium Machining; H = Heavy Machining NOTE: Use Light Machining values as starting feed rate. |
Speeds
Recommended Starting Speeds [m/min]
Mill 4™-12KT • Recommended Starting Speeds [m/min] | ||||||||||||||||||||||
Grade | KC522M | KCK15 | KCK20B | KCPK30 | KCPM40 | KCSM40 | KC725M | |||||||||||||||
Chip Thickness hex mm | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | ||||||||
Material Group | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | |
P | 1 | 1085 | 935 | 885 | – | – | – | – | – | – | 1495 | 1295 | 1215 | 970 | 855 | 805 | 1150 | 1050 | 985 | 855 | 755 | 705 |
2 | 900 | 785 | 655 | – | – | – | – | – | – | 920 | 835 | 755 | 820 | 705 | 590 | 985 | 885 | 720 | 720 | 625 | 525 | |
3 | 835 | 705 | 575 | – | – | – | – | – | – | 835 | 755 | 675 | 755 | 640 | 525 | 920 | 785 | 640 | 655 | 560 | 460 | |
4 | 740 | 605 | 490 | – | – | – | – | – | – | 625 | 575 | 525 | 675 | 560 | 445 | 785 | 675 | 540 | 590 | 490 | 395 | |
5 | 605 | 560 | 490 | – | – | – | – | – | – | 855 | 755 | 690 | 560 | 510 | 445 | 655 | 590 | 525 | 490 | 445 | 395 | |
6 | 540 | 410 | 330 | – | – | – | – | – | – | 525 | 445 | 360 | 490 | 375 | 295 | 590 | 460 | 330 | 425 | 330 | 260 | |
M | 1 | 675 | 590 | 540 | – | – | – | – | – | – | 675 | 605 | 510 | 640 | 560 | 510 | 855 | 625 | 375 | 560 | 490 | 445 |
2 | 605 | 525 | 425 | – | – | – | – | – | – | 605 | 525 | 460 | 575 | 490 | 410 | 755 | 560 | 345 | 510 | 425 | 360 | |
3 | 460 | 395 | 310 | – | – | – | – | – | – | 475 | 425 | 375 | 425 | 375 | 295 | 625 | 460 | 280 | 375 | 330 | 260 | |
K | 1 | 755 | 675 | 605 | 1380 | 1250 | 1115 | 1180 | 950 | 8 | 970 | 870 | 785 | – | – | – | – | – | – | – | – | – |
2 | 590 | 525 | 490 | 1100 | 970 | 900 | 920 | 755 | 640 | 770 | 690 | 625 | – | – | – | – | – | – | – | – | – | |
3 | 490 | 445 | 395 | 920 | 820 | 755 | 690 | 575 | 525 | 640 | 575 | 525 | – | – | – | – | – | – | – | – | – | |
N | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
S | 1 | 130 | 115 | 80 | – | – | – | – | – | – | – | – | – | 130 | 115 | 100 | 195 | 150 | 80 | 115 | 100 | 80 |
2 | 130 | 115 | 80 | – | – | – | – | – | – | – | – | – | 130 | 115 | 100 | 180 | 130 | 80 | 115 | 100 | 80 | |
3 | 165 | 130 | 80 | – | – | – | – | – | – | – | – | – | 165 | 130 | 95 | 215 | 150 | 100 | 150 | 115 | 80 | |
4 | 165 | 150 | 115 | – | – | – | – | – | – | – | – | – | 180 | 165 | 115 | 245 | 195 | 130 | 165 | 150 | 100 | |
H | 1 | 395 | 295 | 230 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
As the average chip thickness increases, speed should be decreased. Material groups P, M, K and H show recommended starting speeds for dry machining. For wet machining, reduce speed by 20%. Material groups N and S show recommended starting speeds for wet machining. Not recommended for dry machining. |
Recommended Starting Speeds [SFM]
Mill 4-12KT™ • Recommended Starting Speeds [SFM] | ||||||||||||||||||||||
Grade | KC522M | KCK15 | KCK20B | KCPK30 | KCPM40 | KCSM40 | KC725M | |||||||||||||||
Chip Thickness hex Inch | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | ||||||||
Material Group | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | |
P | 1 | 1085 | 935 | 885 | – | – | – | – | – | – | 1495 | 1295 | 1215 | 970 | 855 | 805 | 1150 | 1050 | 985 | 855 | 755 | 705 |
2 | 900 | 785 | 655 | – | – | – | – | – | – | 920 | 835 | 755 | 820 | 705 | 590 | 985 | 885 | 720 | 720 | 625 | 525 | |
3 | 835 | 705 | 575 | – | – | – | – | – | – | 835 | 755 | 675 | 755 | 640 | 525 | 920 | 785 | 640 | 655 | 560 | 460 | |
4 | 740 | 605 | 490 | – | – | – | – | – | – | 625 | 575 | 525 | 675 | 560 | 445 | 785 | 675 | 540 | 590 | 490 | 395 | |
5 | 605 | 560 | 490 | – | – | – | – | – | – | 855 | 755 | 690 | 560 | 510 | 445 | 655 | 590 | 525 | 490 | 445 | 395 | |
6 | 540 | 410 | 330 | – | – | – | – | – | – | 525 | 445 | 360 | 490 | 375 | 295 | 590 | 460 | 330 | 425 | 330 | 260 | |
M | 1 | 675 | 590 | 540 | – | – | – | – | – | – | 675 | 605 | 510 | 640 | 560 | 510 | 855 | 625 | 375 | 560 | 490 | 445 |
2 | 605 | 525 | 425 | – | – | – | – | – | – | 605 | 525 | 460 | 575 | 490 | 410 | 755 | 560 | 345 | 510 | 425 | 360 | |
3 | 460 | 395 | 310 | – | – | – | – | – | – | 475 | 425 | 375 | 425 | 375 | 295 | 625 | 460 | 280 | 375 | 330 | 260 | |
K | 1 | 755 | 675 | 605 | 1380 | 1265 | 1115 | 1180 | 950 | 805 | 970 | 870 | 785 | – | – | – | – | – | – | – | – | – |
2 | 590 | 525 | 490 | 1100 | 970 | 900 | 920 | 755 | 640 | 770 | 690 | 625 | – | – | – | – | – | – | – | – | – | |
3 | 490 | 445 | 395 | 920 | 820 | 755 | 690 | 575 | 460 | 640 | 575 | 525 | – | – | – | – | – | – | – | – | – | |
N | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
S | 1 | 130 | 115 | 80 | – | – | – | – | – | – | – | – | – | 130 | 115 | 100 | 195 | 150 | 80 | 115 | 100 | 80 |
2 | 130 | 115 | 80 | – | – | – | – | – | – | – | – | – | 130 | 115 | 100 | 180 | 130 | 80 | 115 | 100 | 80 | |
3 | 165 | 130 | 80 | – | – | – | – | – | – | – | – | – | 165 | 130 | 100 | 215 | 150 | 100 | 150 | 115 | 80 | |
4 | 165 | 150 | 115 | – | – | – | – | – | – | 165 | 150 | 115 | 180 | 165 | 115 | 245 | 195 | 130 | 165 | 150 | 100 | |
H | 1 | 395 | 295 | 230 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
As the average chip thickness increases, speed should be decreased. Material groups P, M, K and H show recommended starting speeds for dry machining. For wet machining, reduce speed by 20%. Material groups N and S show recommended starting speeds for wet machining. Not recommended for dry machining. |
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