Extension drill rod is a tool that connects drill bit and is matched with rock drilling system to drill within the rock or soil.
Our business enterprise drill rods are fabricated from top rate, excessive-strength, alloy metallic and are to be had in each hexagonal and spherical configurations. sandvik rods are developed and designed to offer you straighter holes with much less deviation and longer service life.
Body type
There are shapes of extension rods, round kind and hexagonal type.
Hexagon rods are more inflexible, heavier and switch power extra successfully, at the same time as developing flushing.
Round rods are normally lighter than hexagonal rods and are usually applied in extension drilling packages.
Thread type
There are specifically styles of r-thread and t-thread.
R-thread specs are r25, r28, r32, r38, and so forth. the fundamental dimensions and button profile of the r-thread specially are trying to find advice from the industry standard iso10208.
T-thread specs are t38, t45, t51, and so forth. the number one dimensions and button profile of t-thread especially refer to the corporate requirements that are nearly the same.