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| Material Number | 6957702 |
| ISO Catalog ID | KTFST07938DAVM |
| ANSI Catalog ID | KTFST03125DAV |
| Grade | KN15 |
| [D1] Drill Diameter | 7.938 mm |
| [D1] Drill Diameter | 0.3125 in |
| [L5] Drill Point Length | 1.38 mm |
| [L5] Drill Point Length | 0.0543 in |
| [SSC] Insert Seat Size | E |
Grades
KN15
Composition: Uncoated, highly wear-resistant fine-grain carbide.
Application: Highly polished chip flute surfaces ensure superior chip evacuation and reduce tendency for built-up edges. First choice for non-ferrous materials.
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.
| Material | Cutting Speed | Metric | |||||||||
| Range | Recommended Feed Rate per Rev | ||||||||||
| Min | Starting Value | Max | 6,0 | 8,0 | 10,0 | 12,0 | 16,0 | 20,0 | |||
| S | 4 | 10 | 13 | 20 | mm/r | 0,02–0,08 | 0,03–0,10 | 0,04–0,12 | 0,05–0,16 | 0,05–0,18 | 0,06–0,20 |
| N | 1 | 100 | 230 | 270 | mm/r | 0,13–0,22 | 0,16–0,24 | 0,20–0,28 | 0,24–0,32 | 0,28–0,40 | 0,32–0,48 |
| 2 | 100 | 220 | 270 | mm/r | 0,14–0,23 | 0,16–0,28 | 0,20–0,32 | 0,24–0,36 | 0,28–0,40 | 0,32–0,52 | |
| 3 | 90 | 180 | 230 | mm/r | 0,13–0,22 | 0,16–0,24 | 0,20–0,28 | 0,24–0,32 | 0,28–0,40 | 0,32–0,48 | |
| 4 | 90 | 130 | 200 | mm/r | 0,10–0,18 | 0,16–0,28 | 0,20–0,32 | 0,24–0,36 | 0,28–0,40 | 0,32–0,52 | |
| C | 2 | 70 | 110 | 140 | mm/r | 0,03-0,10 | 0,04-0,12 | 0,05-0,15 | 0,05-0,18 | 0,06-0,21 | 0,07-0,23 |
| 3 | 10 | 13 | 20 | mm/r | 0,02-0,08 | 0,03-0,10 | 0,04-0,12 | 0,05-0,16 | 0,05-0,18 | 0,06-0,20 | |
| 4 | 10 | 20 | 40 | mm/r | 0,02-0,08 | 0,03-0,10 | 0,04-0,12 | 0,05-0,16 | 0,05-0,18 | 0,06-0,20 | |
| Material | Cutting Speed | Inch | |||||||||
| Range | Recommended Feed Rate per Rev | ||||||||||
| Min | Starting Value | Max | 1/4 .250 | 5/16 .313 | 3/8 .375 | 1/2 .500 | 5/8 .625 | 3/4 .750 | |||
| S | 4 | 30 | 40 | 70 | IPR | .001–.003 | .001–.004 | .002–.005 | .002–.006 | .002–.007 | .002–.008 |
| N | 1 | 330 | 750 | 890 | IPR | .005–.009 | .006–.009 | .008–.011 | .009–.013 | .011–.016 | .013–.019 |
| 2 | 330 | 720 | 890 | IPR | .006–.009 | .006–.011 | .008–.013 | .009–.014 | .011–.017 | .013–.021 | |
| 3 | 300 | 590 | 750 | IPR | .005–.009 | .006–.009 | .008–.011 | .009–.013 | .011–.016 | .013–.019 | |
| 4 | 300 | 430 | 660 | IPR | .004–.007 | .006–.011 | .008–.013 | .009–.014 | .011–.016 | .013–.019 | |
| C | 4 | 230 | 360 | 460 | IPR | .001-.004 | .002-.005 | .002-.006 | .002-.007 | .002-.008 | .003-.009 |
| 4 | 30 | 40 | 70 | IPR | .001-.003 | .001-.004 | .002-.005 | .002-.006 | .002-.007 | .002-.008 | |
| 4 | 30 | 70 | 130 | IPR | .001-.003 | .001-.004 | .002-.005 | .002-.006 | .002-.007 | .002-.008 | |
| Material | Cutting Speed | Metric | |||||||||
| Range | Recommended Feed Rate per Rev | ||||||||||
| Min | Starting Value | Max | 6.0 | 8.0 | 10.0 | 12.0 | 16.0 | 20.0 | |||
| S | 4 | 10 | 13 | 20 | mm/r | 0.02～0.08 | 0.03～0.10 | 0.04～0.12 | 0.05～0.16 | 0.05～0.18 | 0.06～0.20 |
| N | 1 | 100 | 230 | 270 | mm/r | 0.13～0.22 | 0.16～0.24 | 0.20～0.28 | 0.24～0.32 | 0.28～0.40 | 0.32～0.48 |
| 2 | 100 | 220 | 270 | mm/r | 0.14～0.23 | 0.16～0.28 | 0.20～0.32 | 0.24～0.36 | 0.28～0.40 | 0.32～0.52 | |
| 3 | 90 | 180 | 230 | mm/r | 0.13～0.22 | 0.16～0.24 | 0.20～0.28 | 0.24～0.32 | 0.28～0.40 | 0.32～0.48 | |
| 4 | 90 | 130 | 200 | mm/r | 0.10～0.18 | 0.16～0.28 | 0.20～0.32 | 0.24～0.36 | 0.28～0.40 | 0.32～0.52 | |
| C | 2 | 70 | 110 | 140 | mm/r | 0.03～0.10 | 0.04～0.12 | 0.05～0.15 | 0.05～0.18 | 0.06～0.21 | 0.07～0.23 |
| 3 | 10 | 13 | 20 | mm/r | 0.02～0.08 | 0.03～0.10 | 0.04～0.12 | 0.05～0.16 | 0.05～0.18 | 0.06～0.20 | |
| 4 | 10 | 20 | 40 | mm/r | 0.02～0.08 | 0.03～0.10 | 0.04～0.12 | 0.05～0.16 | 0.05～0.18 | 0.06～0.20 | |
| Material | Cutting Speed | Inch | |||||||||
| Range | Recommended Feed Rate per Rev | ||||||||||
| Min | Starting Value | Max | 1/4 .250 | 5/16 .313 | 3/8 .375 | 1/2 .500 | 5/8 .625 | 3/4 .750 | |||
| S | 4 | 30 | 40 | 70 | IPR | .001–.003 | .001–.004 | .002–.005 | .002–.006 | .002–.007 | .002–.008 |
| N | 1 | 330 | 750 | 890 | IPR | .005–.009 | .006–.009 | .008–.011 | .009–.013 | .011–.016 | .013–.019 |
| 2 | 330 | 720 | 890 | IPR | .006–.009 | .006–.011 | .008–.013 | .009–.014 | .011–.017 | .013–.021 | |
| 3 | 300 | 590 | 750 | IPR | .005–.009 | .006–.009 | .008–.011 | .009–.013 | .011–.016 | .013–.019 | |
| 4 | 300 | 430 | 660 | IPR | .004–.007 | .006–.011 | .008–.013 | .009–.014 | .011–.016 | .013–.019 | |
| C | 4 | 230 | 360 | 460 | IPR | .001-.004 | .002-.005 | .002-.006 | .002-.007 | .002-.008 | .003-.009 |
| 4 | 30 | 40 | 70 | IPR | .001-.003 | .001-.004 | .002-.005 | .002-.006 | .002-.007 | .002-.008 | |
| 4 | 30 | 70 | 130 | IPR | .001-.003 | .001-.004 | .002-.005 | .002-.006 | .002-.007 | .002-.008 | |
| Tolerance • Metric | |
| D1 metric | tolerance n8 |
| 6 | +0,008/ +0,026 |
| +0,010/ +0,032 | |
| +0,012/ +0,039 | |
| +0,015/ +0,048 | |
| Tolerance • Inch | |
| D1 inch | tolerance n8 |
| 0.2362 | +0.00031/ +0.00102 |
| +0.00039/ +0.00126 | |
| +0.00047/ +0.00154 | |
| +0.00059/ +0.00189 | |
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