Honeycomb ceramic substrate mold Description The deep hole drills molds have 200 – 600 meshes with holes sizes ranged from 1.3 mm to 1.8 mm. The length to diameter ratio in the mold can be as large as 50 Request Info Other Products From HTT Maschinen GmbH Deep hole drilling machine gun barrels Deep hole drilling machine Read More » Deep hole drilling machine fuel injection parts Deep hole drilling machine Read More » Deep hole drilling machine engine valve Deep hole drilling machine Read More » Deep hole drilling machine cam shaft Deep hole drilling machine Read More »