Osg 8623018 Extra Length Cobalt Drill Bit 1.8 Mm

Product Description

The OSG 8623018 is an extra length cobalt drill bit designed for precision drilling in hard and abrasive materials. The bit measures 1.8 mm in diameter with a 75 mm overall length and a 34 mm spiral flute length, giving it the extended reach needed for deep-hole applications where standard-length bits fall short. The WXL coating improves wear resistance and heat dissipation, extending tool life in demanding production environments. A 120-degree point angle and R-thinned web reduce entry force and improve centering accuracy. This bit is suited for machinists, tool and die technicians, and precision fabricators working with stainless steel, alloy steel, and other difficult-to-machine materials.

This extra length drill bit is intended for use in CNC machining centers, drill presses, and manual machine tools requiring small-diameter, deep-reach capability. The 15xD flute-to-diameter ratio provides chip clearance across extended drilling depths. The straight cylindrical shank with a 2 mm shank diameter fits standard collet chucks and drill chucks in that size range. Right-hand cutting direction suits conventional machine setups. Typical applications include aerospace component drilling, mold and die work, and precision instrument manufacturing where tight tolerances and extended reach are required.

Key Features

• 1.8 mm diameter with 75 mm overall length for deep-reach drilling
• WXL coating for enhanced wear resistance and extended tool life in hard materials
• 120-degree point angle with R-thinned web for reduced thrust and accurate starting
• Cobalt tool material withstands high cutting temperatures in alloy and stainless steels
• 2-flute spiral design with regular helix promotes efficient chip evacuation
• Straight cylindrical 2 mm shank for compatibility with standard collet and drill chuck setups

Compatibility

Designed for use in CNC machining centers, drill presses, and manual lathes equipped with collet chucks or drill chucks accepting a 2 mm straight cylindrical shank.

Installation Notes

This bit should be installed by a qualified machinist familiar with small-diameter tooling procedures. Secure the shank fully in the collet or chuck and verify runout before commencing cuts. Use appropriate cutting fluid or coolant to reduce heat buildup, as cobalt tooling can be damaged by thermal shock from interrupted cooling. Do not exceed the recommended feed and speed parameters for the workpiece material and machine type.