TECHNICAL DATA
Drilling rods of friction welding of friction welnding of H.Q. The tube is steel of high elasticity with friction welded joints. The thread is nitrided. There is a post – welding heat treatment.

øExterior (mm) Sizes Lenghs (mm)
50 Cónicas Especiales 1.000 1.500 2.000 3.000
60 Cónicas Especiales 1.000 1.500 2.000 3.000
76 2 3/8 API REG 1.000 1.500 2.000 3.000
90 2 3/8 API REG
2 7/8 API REG
1.000 1.500 2.000 3.000
114 3 1/2 API REG 1.000 1.500 2.000 3.000 6.000
127 3 1/2 API REG 1.000 1.500 2.000 3.000 6.000
140 4 1/2 API REG
4 FH
3.000 6.000 9.000
152 4 1/2 API REG
4 1/2 IF
3.000 6.000 9.000
180 5 1/2 IF 3.000 6.000 9.000
245 Especial BECO 3.000 6.000 9.000