3/4-16 right hand thread. Fits inside 1" ID tubing, with a nice chamfer to make welding easy. These steel weld-in bungs are CNC machined in the USA.
3/4" NPT QTY:4 ALUMINUM FEMALE WELD ON / WELD IN FLANGE FITTING BUNG, 3/4"-14
1/4 NPT QTY:10 ALUMINUM FEMALE WELD ON / WELD IN FLANGE FITTING BUNG, 1/4-18
3/4" NPT QTY:5 ALUMINUM FEMALE WELD ON / WELD IN FLANGE FITTING BUNG, 3/4"-14
3/4" NPT ALUMINUM FEMALE WELD ON / WELD IN FLANGE FITTING BUNG, 3/4"-14 QTY:1
3/4" NPT QTY:2 ALUMINUM FEMALE WELD ON / WELD IN FLANGE FITTING BUNG, 3/4"-14
AN4, 4 AN MALE BILLET 6061T6 ALUMINUM WELD ON FITTING BUNG - QTY 4