Special Shaped IBO

Special Size IBO Drill Rod

Special Size IBO Drill Rod

Some customized or non-standard Self-drilling Anchor Bolts.
For instance, R22, R28, T45 IBO Drill Rods.
Click the picture to see the thread profile dimension and tolerance required.

Internal Thread Machining


Hollow Bar Bended


Punching the Drill Rod

All Threaded Solid Rod