Description
#55 (.0520″) Solid Carbide Counterbore Drill 18 Piece Pack
This precision-ground solid carbide counterbore drill is designed to drill a pilot hole and produce a flat-bottom counterbore in a single operation. Ideal for PCB and CNC applications where accuracy and efficiency are critical.
- Drill Diameter: #55 (.0520″)
- Flute Length (LOC): .400″
- Shank Diameter: 1/8″
- Overall Length (OAL): 1.50″
- Material: Solid Carbide
- Quantity: 18 Pieces
Combined Drill & Counterbore Design:
Drills the pilot hole and forms a flat-bottom counterbore in a single operation, improving alignment and reducing machining time.
Flat-Bottom Counterbore Geometry:
Produces a flat seating surface suitable for fasteners and precision components.
Solid Carbide Construction:
Provides rigidity and wear resistance for consistent performance in abrasive materials and high-speed CNC applications.
Common Applications:
- PCB fabrication and electronics work
- FR4, G10, and laminates
- Plastics and composites
- Light metals
- Precision counterbored holes
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