Anchor Bolt (SDA)
Specifications
The Self-drilling Anchor rolling process refines the grain structure of the steel, increasing the yield strength and producing a robust hollow bar acting as both drill rod and grouting tube during installation.
Drill Steel (Rock Drill)
Specifications
Rock Drill Steel Q22 is a high nickel alloy steel with industry preferred carburizing standards, excellent wear resistance, and suitable for wet and dry drilling.
