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TOP DRILL FLAT with Through Coolant
TOP DRILL FLAT with Through Coolant
TOP DRILL FLAT with Through Coolant
TOP DRILL FLAT with Through Coolant
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TDF511A • WU20PD™ • TDF521A • WN15HD™ • A-Shank • 3 x D

TOP DRILL FLAT with Through Coolant

SAP Material Number 6197084
ISO Catalog Number TDF511A04000
ANSI Catalog Number TDF511A04000
Grade WU20PD
[D1] Drill Diameter M 4 mm
[D1] Drill Diameter M .1575 in
[L] Overall Length 66 mm
[L] Overall Length 2.598 in
[L3] Flute Length 24 mm
[L3] Flute Length .9449 in
[L4] Maximum Drilling Depth 17 mm
[L4] Maximum Drilling Depth .6693 in
[LS] Shank Length 36 mm
[LS] Shank Length 1.417 in
[D] Adapter / Shank / Bore Diameter 6 mm
[D] Adapter / Shank / Bore Diameter .2362 in
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Uses and application

  • DrillingDrilling
  • Drilling: Inclined EntryDrilling: Inclined Entry
  • Drilling: Inclined ExitDrilling: Inclined Exit
  • Drilling: X-OffsetDrilling: X-Offset
  • Drilling: Flat BottomDrilling: Flat Bottom
  • Drilling: Stacked PlatesDrilling: Stacked Plates
  • Drilling: ConvexDrilling: Convex
  • Drilling - Through CoolantDrilling - Through Coolant
  • Through Coolant: MQL (Minimum Quantity Lubricant): DrillingThrough Coolant: MQL (Minimum Quantity Lubricant): Drilling
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Corner Style: Square EndCorner Style: Square End
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • Helix Angle: 30°Helix Angle: 30°
  • Tool Dimensions: 2flute/4margin/coolantTool Dimensions: 2flute/4margin/coolant
  • 3855038550
  • 3856338563
  • Drilling Depth: 3xDrilling Depth: 3x
  • Chain DrillingChain Drilling
  • Drilling: Cross-Hole DrillingDrilling: Cross-Hole Drilling
  • Drilling: Corner Drilling 45°Drilling: Corner Drilling 45°

Workpiece Materials

P Steel
M Stainless Steel
K Cast Iron
S High-Temp Alloys

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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