Explosive-cartridge powered hammer or impact tool
Extension rods used in percussive drilling
Fastener driving tool
Fluid operated hammer
Fluid-actuated impact hammer
Freeze plug installation tool
Guide frame for a pile driving device
Hammer
Hammer drill
Hammer drill
Hammer having fluid biased work member
Hammer machine
Hammer starting mechanism
Hand machine tool
Hand power tool
Hydraulic breaking hammer
Hydraulic distributor for percussion apparatus driven by an inco
Hydraulic impact tool
Hydraulic impact tool
Hydraulic percussion instrument and method of operating same