Portkronlar

Type of use

• Surface Surface (2)
• Underground Underground (2)

Ground type

• Abrasive ground Abrasive ground (2)
• Lots of variation Lots of variation (2)
• Mostly competent Mostly competent (2)
• Very stable Very stable (2)

Type of product

• Diamond tools Diamond tools (2)

Main challenge

• Broken ground Broken ground (1)
• Extended bit life Extended bit life (2)
• Hole deviation Hole deviation (1)
• Tools for underground drilling Tools for underground drilling (2)