Introduction
Mainly for drilling holes in the 63 mm (2-1/2") to 100 mm (4") range in rocks for quarrying or mining. Drilling method generally employed are hydraulic drifter drilling and DTH drilling. The HD90MKIV and HD110 with suitable attachments is an ideal machine for all types of rock drilling work. A wide variety of hydraulic drifters and rotary heads are available to suit different formations and hole diameters. Various attachments such as dust collectors, dust hoods and rod handlers are available.
Mainly for drilling holes in the 63 mm (2-1/2") to 100 mm (4") range in rocks for quarrying or mining. Drilling method generally employed are hydraulic drifter drilling and DTH drilling. The HD90MKIV and HD110 with suitable attachments is an ideal machine for all types of rock drilling work. A wide variety of hydraulic drifters and rotary heads are available to suit different formations and hole diameters. Various attachments such as dust collectors, dust hoods and rod handlers are available.
