BTA Description BTA is a deep drilling machine with a rotating tool and counter-rotating workpiece. Drilling diameter in solid 20 ~ 120 mm, boring up to diameter 800 mm. Request Info Other Products From HTT Maschinen GmbH Honeycomb ceramic substrate mold Deep hole drilling machine Read More » Deep hole drilling machine gun barrels Deep hole drilling machine Read More » BTA Deep drilling machine with a rotating tool Read More » Htt gun drilling machine Deep hole drilling machine Read More »