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MicroDrill XL 20xD - KB3720

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Product information "MicroDrill XL 20xD - KB3720"

Solid carbide micro deep-hole drill with internal coolant supply starting from 1.00 mm diameter.

  • 4 guide chamfers
  • ZX15 coating

A pilot hole is required.
Recommendation: KB37S1 with the same nominal diameter produces an optimal pilot hole for the subsequent deep-hole drill, optionally with a 90° countersink. Diameter tolerance and point angle are matched to the micro deep-hole drill.

Coating: ZX15
Cutting material: VHM
Guide chamfers: 4 pieces
Internal cooling: yes
L/D: 20
Quantity of Blades: 2 pieces
Shaft shape: HA
Shaft tolerance: h6
Shaft Ø: 3 mm
Swirl angle: 30 °
apex angle: 135°