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KMH Drills • Hard Materials • Without Coolant
KMH Drills • Hard Materials • Without Coolant
KMH Drills • Hard Materials • Without Coolant
KMH Drills • Hard Materials • Without Coolant

High-Performance Solid Carbide Drills

KMH Drills • Hard Materials • Without Coolant

Metric
Inch
SAP Material Number 6483425
ISO Catalog Number B941Z02900
ANSI Catalog Number B941Z02900
Grade KCH10
[D1] Drill Diameter M 2.9000
[D1] Drill Diameter M .1142
[L] Overall Length 50.0000
[L] Overall Length 1.968
[L3] Flute Length 16.0000
[L3] Flute Length .6299
[L4] Maximum Drilling Depth 9.0000
[L4] Maximum Drilling Depth .3543
[L5] Drill Point Length 0.5400
[L5] Drill Point Length .0213
[LS] Shank Length 28.0
[LS] Shank Length 1.102
[D] Adapter / Shank / Bore Diameter 4.0
[D] Adapter / Shank / Bore Diameter .1575
See all Product Variants

Uses and application

  • Flood Coolant: DrillingFlood Coolant: Drilling
  • Tool Dimensions: 2flute/2margin/no coolTool Dimensions: 2flute/2margin/no cool
  • Helix Angle: 15°Helix Angle: 15°
  • DrillingDrilling
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • DIN number 6535DIN number 6535
  • DIN number 6537DIN number 6537
  • Drilling: Cross-Hole DrillingDrilling: Cross-Hole Drilling
  • Drilling - No CoolantDrilling - No Coolant
  • Drilling: Stacked PlatesDrilling: Stacked Plates
  • 100017654100017654

Workpiece Material

P
K
H

Features and benefits

  • The B94_ drill series without through coolant is specifically designed to machine hardened and surface hardened materials, using flood coolant. With its 145° point angle, it is also perfectly suited as pilot drill for the B95_ drill series with through coolant and 140° point for deeper applications.

  • KMH Point Design with curved cutting edge with corner chamfer for maximum corner stability in hard materials. It avoids chipping on cutting edge thus pre-mature wear.

  • Special flute design with strong web to increase the strength of the drill in tough applications with short chips. B94_ series with 15° helix angle to maximize stability in applications above 54 HRC.

  • Grade KCH10 on B94_ series consists of a special fine grain carbide substrate with higher hardness. It carries a high temperature and shock resistance AlTiN coating for machining hardened material to increase tool life.

Grades

  • KCH10
    P
    H
    K