... /2" connector, drill bits;Dia40mm G1/2" connector, drill bits;Dia50mm G1/2" connector, drill bits;Dia75mm G1/2 ... " connector, drill bits;Dia100mm G1/2" connector, drill bits;G1/2" connector, drill bits.Length ... available : 50mm and 100mmSpecial requirement can be produce based on the sketch with minimum quantity. Core Drill ...