SUNREEK™10Pcs 0.4mm Carbide PCB Drill Bits, Print Circuit Board Mini CNC Drilling Bit Set, Woodworking Tools, Drill Bits for 3D MakerBot Printer Nozzle Cleaning Kit

Suitable Materials:

1. PCB, normal FR-4, CEM-3 boards, environmental protection board, SMT, CNC, molds, plastic, stainless steel and precision hardware processing;
2. Circuit board, carbon fiber, composite board, and so on.
3. Cutting Diameter: 0.4mm
4. Total Length: Approx.38.1mm
5. Shank Diameter: Approx.3.175mm(1/8")

Feature:

(1) Precision machining by high accurate equipment;
(2) With good milling and cutting performance, ensuring high efficiency;
(3) High hardness, wear resistance, and intensity; anti-bending;
(4) To removing chips, with big space and small resistance;
Smooth chip removal, less heating value, to reduce pollution;
(5) Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;
(6) Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.

Package Includes:
10 x (0.4mm) Drill Bit

Please kindly note:
Don't use the drill to clean until the nozzle is heated to above 200 degrees!