Sollroc SRC004 Reverse Circulation Hammer

Product Description: RC drilling refers to Dual Wall or Dual Tube Drilling. RC drilling applies two rods with inner and outer tubes.Air is blew down the annulus of the rod and enter into hammer and bit.Rock formation fragments crushed by bit are collected into the inter tube via air hole on the bit head. And then returned to the ground and enter into sampling system.Its hammers and bits are widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. Main Features: 1) Simple structure ensure the easy operation and maintenance. 2) Adopting advanced world famous brand components in pneumatic parts and operation parts. 3) The good seal effect eliminates the problems caused by water and flushing entering into the inner cylinder of hammer. 4) Smooth and stable speed. 5) Excellent for casing system and water well projects. The specifications of RC hammers we can produce: 1) 3" RC hammers: SRC531 connection thread 3" Remet 2) 3.5" RC hammers: SRC3.5 connection thread 3" Remet 3) 4'' RC hammers: SRC004 connection thread 3.5"/4" Remet; 4" Metzke  4) 4.5" RC hammers: SRC542/SRC543 connection thread 3.5"/4" Remet; 4" Metzke 5) 5'' RC hammers:SRC545/SRC040 connection thread 3.5"/4.5" Remet; 3.5"/4.5" Metzke 6) 5.5'' RC hammers:SRC052/SRC547/SRC054 connection thread 4.5" Remet; 4.5" Metzke