Diamond Coated Glass Drill Bit

Drill your own tank with a quality diamond coated bit.  Drilling glass is a relatively simple process that anyone can do.  The trick is to let the drill do the work for you, don't push and take your time.   Drill bit & Bulkhead Compatibility 30mm Glass Drill bit works with our 1/2" Bulkheads. 35mm Glass Drill bit works with our 3/4"  Bulkheads. 42mm Glass Drill bit works with our 3/4" heavy duty SCH 80 Bulkheads. 60mm Glass Drill bit works with our 1.5" Bulkheads. 75mm Glass Drill bit works with our 2" Bulkheads.