Accupro A-6120208R Micro Drill Bit Size 45 Solid Carbide

Product Description

The ACCUPRO A-6120208R is a solid carbide micro drill bit engineered for precision drilling in tight-tolerance applications. Designated wire gauge size 45, it measures 0.0819 inches (2.08 mm) in diameter with a 120-degree standard point angle for accurate entry and reduced walking. The overall length is 38 mm with a 12 mm flute length. The bright, uncoated finish leaves the carbide substrate fully exposed, making it well suited for materials where coating adhesion or heat buildup is not a primary concern. Right-hand spiral flutes with a regular spiral type evacuate chips efficiently during through and blind-hole drilling operations.

This micro drill bit is used in precision machining environments where small-diameter hole making is required. Typical applications include instrument components, electronics fixtures, small mechanical assemblies, and any work requiring consistent hole geometry at sub-0.1-inch diameters. The straight-cylindrical shank with a 3.00 mm diameter fits standard collets and chucks equipped for miniature tooling. It is part of the Accupro Miniature series, designed for use on CNC machining centers, benchtop drill presses, and manual milling machines capable of the high spindle speeds required for small-diameter carbide tooling.

Key Features

• Solid carbide construction for rigidity and wear resistance at small diameters
• Wire gauge size 45 diameter: 0.0819 inches (2.08 mm)
• 120-degree standard point angle for accurate hole entry
• Right-hand cut with regular spiral flutes for efficient chip evacuation
• Bright, uncoated finish suitable for a range of workpiece materials
• Straight-cylindrical shank at 3.00 mm for compatibility with standard miniature collets

Compatibility

Designed as an OEM-style replacement and standard miniature series micro drill bit for use in collets and chucks accepting a 3.00 mm straight-cylindrical shank on CNC machining centers and benchtop drilling equipment.

Installation Notes

Installation and use should be performed by a qualified machinist or tooling technician familiar with small-diameter carbide tooling. Secure the shank fully in a collet or chuck rated for the shank diameter before operation. Carbide micro drill bits are brittle and require appropriate spindle speeds and feed rates for the workpiece material to avoid breakage. Inspect the cutting edges under magnification before each use and replace any bit showing chipping or wear to maintain hole quality and prevent tool failure.