Sandvik Coromant’s Microdrills for Small Part Manufacturing

Sandvik Coromant offers two microdrill families specifically designed for precision machining. The CoroDrill 462 with -XM geometry and the CoroDrill 862 with -GM geometry support industries with high demand for small part manufacturing, including medical, automotive, electronics and aerospace.

The CoroDrill 462 and 862 are available in new geometries to offer a variety of cutting diameters and lengths. The drills have been adapted to overcome the challenges of micro drilling. For instance, it’s critical to have quality coolant to effectively evacuate chips when performing deep-hole drilling with micro tools. Both the CoroDrill 462 and 862 are said to easily drill hole depths of up to 9×D when using external coolant. A through-coolant option is also available for drilling diameters of 1.00 mm and above, and hole depths of up to 16×D. Not only does the effective use of coolant help the tools drill deeper holes but it also extends the tool life and reduces the risk of chip jamming.

Individually, the CoroDrill 462 offers high performance hole making up to 3.00 mm. The company says it is well suited for drilling both blind and through holes with the drill capable of machining a variety of ISO materials, including ISO P, M, K, N, S, O and H. The drill has a depth of 6×D.

The CoroDrill 862 is well suited for making holes from 1.00 mm to 3.00 mm in diameter in a variety of materials when used with internal coolant. In addition to conventional drilling, this drill supports a variety of other drilling activities, including cross holes, stack drilling and drilling of convex and concave surfaces.

The CoroDrill 462 and 862 are available as both off-the-shelf and customizable solid carbide tools. As part of the range, Sandvik Coromant has made it possible to configure the tools based on diameters, usable length, step-diameter length, and shank diameter, for manufacturers that require a bespoke approach to microdrilling.