SIGRICARE
Hollow Anchor Bolts
Subcategory of Self Drilling Anchor Bolt Systems

Hollow Anchor Bolts

Hollow core anchor bolts for efficient simultaneous drilling and grouting in soft soil, crushed rock, and fractured strata.

Total: 2 Items
6m Self Drilling Hollow Anchor Bolt Hollow Anchor Bolts

6m Self Drilling Hollow Anchor Bolt

6-meter single piece hollow anchor bars for deep pre-support spiling in high-speed tunnel construction, minimizing coupler usage and speeding up installation cycles.

Specs
Alloy Steel Hollow Anchor Bolt Hollow Anchor Bolts

Alloy Steel Hollow Anchor Bolt

Engineered hollow core anchor bolt with optimized wall thickness to provide maximum section modulus and bending resistance in squeezing rock masses.

Specs
TECHNICAL & APPLICATION INSIGHTS

ABOUT Hollow Anchor Bolts

Hollow anchor bars feature a hollow internal core that serves as a drill flush channel during percussion or rotary drilling and as an injection conduit for cementitious grout under pressure, guaranteeing complete encapsulation.