FRICTION BOLTS

Brocas-Taladro, Máquina de Minería, etc. / Bits-Drill, Mining Machine, etc.

Friction bolts Split set rock bolts known as the "rock friction stabilizer," the early seventies developed by the United States, Professor Scott, as a patented product by the Ingersoll-Rand Company, supply supporting the mining use. Split set rock bolts is a highly specialized support products, is the advanced materials for underground culvert roof and other projects supporting,manufacturing processes with a simple way, easy to use, has strong anchor,large tensile strength and strong expansion force in the underground .