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- HP Solid-Carbide Deep Hole Drills
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- KenDrill™ HPS • 40 x D • Internal Coolant • Straight Shank • Metric
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KenDrill™ HPS • 40 x D • Internal Coolant • Straight Shank • Metric
Solid Carbide Deep Hole Drill for Non-Ferrous Materials
Features and benefits
- HP solid carbide deep-hole drills with through coolant for steel, cast iron, stainless steel, high-temperature alloys, and non-ferrous materials.
- Application-specific SC drill for drilling holes up to 40 x D up to 4x faster than conventional HSS and gun drills.
- Broadest diameter range on the market from .0938–.6299″ (2,383–16mm).
- KMH-point geometry is available as a semi-standard, especially for crankshaft applications.
- KN25™ uncoated grade (B27_HPS) with highly polished surface ensures superior chip evacuation and prevent built-up edge in aluminum and high-temp alloys, even when low-pressure coolant or MQL is applied.
Uses and application
Drilling: Stacked Plates
Drilling
Drilling: Inclined Exit
Tool Dimensions: 2flute/4margin/coolant
DIN number 6535
Drilling - Through Coolant
Through Coolant: MQL (Minimum Quantity Lubricant): Drilling
Shank - Cylindrical Plain ≤h6
Helix Angle: 30°
Drilling: Cross-Hole Drilling
Tolerance • Inch | ||
nominal size range | D1 tolerance m7 | D tolerance h6 |
.0394–.1181 | .0000/-.0004 | .0000/-.0006 |
.0002/.0006 | .0000/-.0003 | |
.0002/.0008 | .0000/-.0004 | |
.0003/.0010 | .0000/-.0004 | |
.0003/.0011 | .0000/-.0005 |
Tolerance • Metric | ||
nominal size range | D1 tolerance m7 | D tolerance h6 |
1–3 | 0,000/-0,010 | 0,000/-0,014 |
0,004/0,016 | 0,000/-0,008 | |
0,006/0,021 | 0,000/-0,009 | |
0,007/0,025 | 0,000/-0,011 | |
0,008/0,029 | 0,000/-0,013 |
Material | |||||||||||||
Cutting Speed | Metric | ||||||||||||
Range | Recommended Feed Rate (f) by Diameter | ||||||||||||
Min | Starting Value | Max | 3,0 | 4,0 | 6,0 | 8,0 | 10,0 | 12,0 | 14,0 | 16,0 | |||
N | 1 | 120 | 200 | 300 | mm/r | 0,12–0,17 | 0,13–0,18 | 0,15–0,24 | 0,19–0,29 | 0,26–0,35 | 0,31–0,40 | 0,35–0,45 | 0,41–0,51 |
2 | 120 | 170 | 300 | mm/r | 0,13–0,18 | 0,14–0,19 | 0,16–0,25 | 0,20–0,30 | 0,28–0,37 | 0,33–0,42 | 0,38–0,48 | 0,44–0,54 | |
3 | 100 | 150 | 300 | mm/r | 0,13–0,18 | 0,14–0,19 | 0,16–0,25 | 0,20–0,30 | 0,28–0,37 | 0,33–0,42 | 0,38–0,48 | 0,44–0,54 | |
4 | 80 | 200 | 300 | mm/r | 0,03–0,05 | 0,03–0,06 | 0,03–0,06 | 0,04–0,06 | 0,05–0,07 | 0,05–0,08 | 0,05–0,08 | 0,06–0,09 |
Material | |||||||||||||
Material | Cutting Speed | Inch | |||||||||||
Range | Recommended Feed Rate (f) by Diameter | ||||||||||||
Min | Starting Value | Max | 1/8 .125 | 3/16 .188 | 1/4 .250 | 5/16 .313 | 3/8 .375 | 1/2 .500 | .551 | 5/8 .625 | |||
N | 1 | 390 | 660 | 980 | IPR | .005–.007 | .005–.007 | .006–.009 | .008–.011 | .010–.014 | .012–.016 | .014–.018 | .016–.020 |
2 | 390 | 560 | 980 | IPR | .005–.007 | .006–.008 | .006–.010 | .008–.012 | .011–.015 | .013–.017 | .015–.019 | .017–.021 | |
3 | 330 | 490 | 980 | IPR | .005–.007 | .006–.008 | .006–.010 | .008–.012 | .011–.015 | .013–.017 | .015–.019 | .017–.021 | |
4 | 260 | 660 | 980 | IPR | .001–.002 | .001–.002 | .001–.002 | .002–.002 | .002–.003 | .002–.003 | .002–.003 | .002–.004 |
Cutting Speed | Metric | ||||||||||||
Range | Recommended Feed Rate (f) by Diameter | ||||||||||||
Material | Min | Starting Value | Max | 3,0 | 4,0 | 6,0 | 8,0 | 10,0 | 12,0 | 14,0 | 16,0 | ||
N | 1 | 120 | 200 | 300 | mm/r | 0,12–0,17 | 0,13–0,18 | 0,15–0,24 | 0,19–0,29 | 0,26–0,35 | 0,31–0,40 | 0,35–0,45 | 0,41–0,51 |
2 | 120 | 170 | 300 | mm/r | 0,13–0,18 | 0,14–0,19 | 0,16–0,25 | 0,20–0,30 | 0,28–0,37 | 0,33–0,42 | 0,38–0,48 | 0,44–0,54 | |
3 | 100 | 150 | 300 | mm/r | 0,13–0,18 | 0,14–0,19 | 0,16–0,25 | 0,20–0,30 | 0,28–0,37 | 0,33–0,42 | 0,38–0,48 | 0,44–0,54 | |
4 | 80 | 200 | 300 | mm/r | 0,03–0,05 | 0,03–0,06 | 0,03–0,06 | 0,04–0,06 | 0,05–0,07 | 0,05–0,08 | 0,05–0,08 | 0,06–0,09 |