Product Similar To :
TDF511A • WU20PD™ • TDF521A • WN15HD™ • A-Shank • 3 x D
TOP DRILL FLAT with Through Coolant
Material Number6197124
ISO Catalog IDTDF521A08000ANSI Catalog IDTDF521A08000
- Drilling 
- Drilling: Inclined Entry 
- Drilling: Inclined Exit 
- Drilling: X-Offset 
- Drilling: Flat Bottom 
- Drilling: Stacked Plates 
- Drilling: Convex 
- Drilling - Through Coolant 
- Through Coolant: MQL (Minimum Quantity Lubricant): Drilling 
- Corner Style: Corner Chamfer 
- Corner Style: Square End 
- Shank - Cylindrical Plain ≤h6 
- Helix Angle: 30° 
- Tool Dimensions: 2flute/4margin/coolant 
- 38550 
- 38563 
- Drilling Depth: 3x 
- Chain Drilling 
- Drilling: Cross-Hole Drilling 
- Drilling: Corner Drilling 45° 
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| Material Number | 6197124 | 
| ISO Catalog ID | TDF521A08000 | 
| ANSI Catalog ID | TDF521A08000 | 
| Grade | WN15HD | 
| [D1] Drill Diameter M | 8 mm | 
| [D1] Drill Diameter M | 0.315 in | 
| [L] Overall Length | 79 mm | 
| [L] Overall Length | 3.1102 in | 
| [L3] Flute Length | 41 mm | 
| [L3] Flute Length | 1.6142 in | 
| [L4] Maximum Drilling Depth | 29 mm | 
| [L4] Maximum Drilling Depth | 1.1417 in | 
| [LS] Shank Length | 36 mm | 
| [LS] Shank Length | 1.4173 in | 
| [D] Adapter / Shank / Bore Diameter | 8 mm | 
| [D] Adapter / Shank / Bore Diameter | 0.315 in | 
Uses and application
- Drilling 
- Drilling: Inclined Entry 
- Drilling: Inclined Exit 
- Drilling: X-Offset 
- Drilling: Flat Bottom 
- Drilling: Stacked Plates 
- Drilling: Convex 
- Drilling - Through Coolant 
- Through Coolant: MQL (Minimum Quantity Lubricant): Drilling 
- Corner Style: Corner Chamfer 
- Corner Style: Square End 
- Shank - Cylindrical Plain ≤h6 
- Helix Angle: 30° 
- Tool Dimensions: 2flute/4margin/coolant 
- 38550 
- 38563 
- Drilling Depth: 3x 
- Chain Drilling 
- Drilling: Cross-Hole Drilling 
- Drilling: Corner Drilling 45° 
Features and benefits
- Flat bottom drill with through coolant.
- Application specific SC Drills design to reduce the number of operations when: 1) a flat bottom hole is needed, eliminating the needs of an additional SC End Mill; 2) is necessary the preparation on an inclined or curved surface.
- Four-margin land design to improve hole straightness and roundness. Increased stability even in crossing holes operations.
- Creates full flat bottom holes.
- Two grades to cover the majority of the workpiece materials.
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