The COP 20 is a member of Atlas Copco Secoroc’s COP line of down-the-hole (DTH) hammers, designed for 2.75- to 3.5-inch diameter holes. The multi-purpose hammer is engineered for construction work such as ground reinforcement and anchor bolting, and applications in quarrying, civil engineering and exploration drilling. The COP 20 operates at 100 to 174 psi and includes new features such as its check valve and spring combination, providing improve protection from external water and cuttings. The machine uses a six-splined BR2 bit shank.
October 6, 2011