Kimdrill cluster drills is capable of drilling the large diameter hole from 600mm to 3000mm (23” to 118”) in extremely hard rock formations. 

It consists of multiple DTH hammers and bits in one assembly. Each hammer designs with specially position to ensure even cutting across the hole and also to realize the most efficient and superior drilling performance. And it also fits with the quick bit change system which also enhance the drilling efficiency. 

The optional slag storage tank is installed on the top of the cluster drills to collect the cuttings during the drilling process. The RCD (reverse circulation drilling) is also available. 

Our cluster drills can be used on DTH drilling rig, Rotary drill rig and CFA rig. It can equipped with flanged joint, hex joint or kelly box. 

Our cluster drills is the most cost effective solution to drill large diameter holes in rock which meets the needs of bridge piers, secant wall drilling, ventilation drill, caissons & other foundation engineering. 

Feature: 

• Drill large diameter holes with less DTH bits/hammers and air compressors; 

• Equipped with quick change bit system allows bits to be replaced in the field; 

• Manufactured to match well with the drilling machine of customers; 

• Complete solution and accessories are available; 

• Capable of drilling in various rock formation, even with hardness 250Mpa; 

• Capable of drilling under water

• Top quality raw material

• With Heat-treatment and strict QC process

• With rich experience of manufacturing and exporting