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Spade Drill Offers High Speed Penetration and Consistent Quality

Allied Machine and Engineering’s T-A Pro drilling system combines material-specific insert geometries, a redesigned drill body and a proprietary coolant-through system.

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T-A Pro drilling system

Allied Machine and Engineering highlights its high-penetration drilling system, the T-A Pro, a go-to solution that is said to take general purpose holemaking to a performance level previously unachievable by a spade insert.

The T-A Pro drill combines material-specific insert geometries, a redesigned drill body and a proprietary coolant-through system to allow penetration rates which the company says run at speeds nearly 30% faster than other high performance drills on the market. The coolant outlets have been designed to direct maximum flow to the cutting edge, providing quick heat extraction where it is most critical, even at significantly higher speeds. Allied Machine and Engineering notes its insert geometries produce exceptional chip formation and the drill body incorporates straight flutes redesigned for maximum coolant flow and excellent rigidity. According to the company, these design elements combine to extend tool life, create consistent quality holes and provide superior chip evacuation. As a result, the T-A Pro drill offers machine shops and high production manufacturers a spade drill with incredible speed and a cost per hole averaging 25% less than traditional drills.

The T-A Pro drilling system will be available in October in diameters ranging from 0.4370”-1.882” (11.1 mm-47.80 mm) and is ideal for holes ranging in stub, 3xD, 5xD, 7xD, 10xD, 12xD and 15xD depths. The company says the drill will be stocked in both imperial and metric shanks, with flat and cylindrical variants.

The carbide insert geometries offered initially will cater to steel (P) with AM300 coating, cast iron (K), with TiAlN coating and non-ferrous (N) with TiCN coating ISO material classes.

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