Chicago-Latrobe, a Greenfield Industries brand, offers a wide variety of high-quality drill bits for both general-purpose and heavy-duty applications. The Chicago-Latrobe catalogue includes countersink, jobber-length, reduced shank, extra-long, screw-machine length, taper-length, solid spade and straight flute drill bits in different lengths and sizes. Jobber-length drill bits are designed for use with both rotary and impact screwdriving tools in various drilling applications in woods, composites and softer metals, including aluminium, copper and tin. With longer lengths as compared to the diameter, Chicago-Latrobe jobber length drill bits offer increased cutting speed and heat resistance.
To secure a screw or rivet into a pre-drilled hole, the plain / bell-type Chicago-Latrobe countersinks are offered in 60 and 120 degree included angle variants to create a conical hole. A wide range of these drill bits, as well as the top-selling Chicago-Latrobe drill bit sets, are available on Raptor Supplies, an authorised Chicago-Latrobe distributor.