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 Deep hole drilling machine cam shaft Deep hole drilling machine Read More » Deep hole drilling machine connection rod Deep hole drilling machine Read More » Honeycomb ceramic substrate mold Deep hole drilling machine Read More » Deep hole drilling machine gear shaft Deep hole drilling machine Read More »