Osg HP255-5394 Solid Carbide Jobber Drill 13.70 Mm

Product Description

The OSG HP255-5394 is a solid carbide jobber-length drill from the HP255 high-performance series. It features a 13.70 mm cutting diameter, a 140-degree R-thinned point, and a WD1 coating designed to extend tool life in demanding ferrous materials. The overall length is 124.00 mm, with a 77.00 mm flute length and a 14.00 mm straight-cylindrical shank. Coolant-through capability supports chip evacuation and heat management during deep or interrupted cuts. This drill is intended for professional machinists working in production or job-shop environments where accuracy and tool longevity in steel and cast iron are priorities.

The HP255-5394 is built for drilling steel, alloy steel, and cast iron in applications including blind hole drilling, cross hole drilling, general drilling, and self-centering operations. The 5xD flute-to-diameter ratio and regular spiral type make it well suited for medium-depth holes where controlled chip flow matters. Its R-thinned web reduces thrust and improves entry performance. This drill is a practical choice for CNC machining centers and manual drill press setups where consistent hole quality in ferrous workpieces is required.

Key Features

• 13.70 mm cutting diameter with a tolerance of +0.007 to +0.025 mm for controlled fit
• 140-degree R-thinned point geometry reduces thrust and supports self-centering entry
• WD1 coating enhances wear resistance and heat management in ferrous materials
• Coolant-through design aids chip evacuation in blind and cross hole applications
• Solid carbide construction provides rigidity and edge retention at elevated cutting speeds
• Straight-cylindrical 14.00 mm shank compatible with standard drill chucks and collet holders

Compatibility

Designed for use in steel, alloy steel, and cast iron workpieces. Primary workpiece material codes P and K per ISO classification. Suitable for use in CNC machining centers and manual drill presses equipped with appropriate toolholding for a 14.00 mm straight shank.

Installation Notes

Installation and operation should be performed by qualified machinists familiar with carbide tooling. Ensure the machine spindle and toolholder are clean and free of runout before mounting the drill. Carbide is brittle — avoid side loading or interrupted cuts outside the intended application range. Activate coolant-through supply before drilling when the machine is equipped for it, and verify spindle speed and feed rate are appropriate for the workpiece material before engaging the cut.