Atlas Copco's fully mechanized bolting rigs are the most cost effective and safest method of installing rock bolts in mines, tunnels, underground power plants and storage facilities. Boltec rigs also offer outstanding ergonomical solutions and a very user friendly design. The bolting unit MBU with its unique design and well proven Atlas Copco quality makes it the most reliable and versatile bolter. The Boltec series handles the most commonly used bolts on the market.