Hilo | Tipo de Barra | Rango de Longitud (mm) | Tipo de Hilo |
R22 | Hex | 400 – 6000 | M/M |
R22 | Hex | 800 – 3200 | F/M |
R32 | Redonada | 800 – 4500 | M/M |
R32 | Redonada | 800 – 4500 | F/M |
T38 | Redonada | 1000 – 4500 | M/M |
T38 | Redonada | 1000 – 4500 | F/M |
T45 | Redonada | 1000 – 4500 | M/M |
T45 | Redonada | 1000 – 4500 | F/M |
Otros Nombres : Extension drill steel, Extension drill rod, and Extension steel, M/F rod ( Speedrod )