Self drilling injection bolts
Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc job, which is widely used in mining, tunneling, railway metro, construction etc projects.
Type R anchors utilizes a wave like thread to increase the anchor retention strength
Our R thread type including: R25, R32, R38, R51, R76
In bundle or as customer requirement
SELF DRILLING HOLLOW BAR
10-20 days after confirming order, detail delivery date should be decided according to production season and order quantity.