| SAP Material Number | 6626764 |
| ISO Catalog Number | KSDB0750Y6BQX |
| ANSI Catalog Number | KSDB0750Y6BQX |
| Grade | KC643M |
| Adapter Style Machine Side | DUO-LOCK |
| [D] Adapter / Shank / Bore Diameter | 18.55 mm |
| [D] Adapter / Shank / Bore Diameter | .7303 in |
| [AP1MAX] 1st Maximum Cutting Depth | 1.0100 mm |
| [AP1MAX] 1st Maximum Cutting Depth | .0398 in |
| [L1] Gage Length | 33.3700 mm |
| [L1] Gage Length | 1.313 in |
| [CSMS] System Size Machine Side | DL20 |
| [WF] Width of Flat | 16.0000 mm |
| [WF] Width of Flat | .6299 in |
| [Re] Corner Radius | 1.1910 mm |
| [Re] Corner Radius | .0469 in |
| [Z] Number of Flutes | 6 |
| [D1] Effective Cutting Diameter | 19.0500 mm |
| [D1] Effective Cutting Diameter | .7500 in |
Ramping: Blank
3D Profiling
Corner Style: Torus
Helix Angle: 20°
Tool Dimensions: Flute Configuration: 6
Shank: Duo-Lock Coupling
Coated fine-grain grade with PVD multilayer (AlTiN). KC643M™ is a very thin and hard PVD coating particularly suited for cutting steel, cast iron, stainless steel (wet), and titanium (wet). This grade can be used for materials with hardness up to 52 HRC.
| Geometrical Parameters | ramping guide for circular and linear interpolation | |||||||||||||||
| Circular Interpolation | linear interpolation | |||||||||||||||
| allowed range of hole diameter | Calculated Length per Ramp Angle | |||||||||||||||
| catalog number | D1 | Ap1 max | Rfm | Rt | Rc | Xfm | Yfm | YD | number of flutes | Smallest | Largest | 1º | 2º | 3º | 4º | 5º |
| KSDB0375Y6BQX | 3/8 | .020 | 3/8 | .0399 | .0235 | .0200 | .0469 | .0788 | 6 | .5325 | .75 | 1.14 | .57 | .38 | .29 | .23 |
| KSDB0500Y6BQX | 1/2 | .027 | 1/2 | .0538 | .0320 | .0266 | .0625 | .1050 | 6 | .7100 | 1.00 | 1.52 | .76 | .51 | .38 | .30 |
| KSDB0625Y6BQX | 5/8 | .034 | 5/8 | .0672 | .0400 | .0333 | .0781 | .1313 | 6 | .8875 | 1.25 | 1.91 | .95 | .63 | .48 | .38 |
| KSDB0750Y6BQX | 3/4 | .040 | 3/4 | .0798 | .0470 | .0399 | .0938 | .1575 | 6 | 1.0650 | 1.50 | 2.29 | 1.14 | .76 | .57 | .46 |
| recommended degree of programmed feed rate to use while ramping | 100% | 70% | 50% | 30% | 10% | |||||||||||
ISO Catalog Number
ANSI Catalog Number
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