Introduction TDU Hammer Specifications Model Button Bit Standard Range (mm) Shank Type Connection Outside Diameter (mm) Length w/o bit (mm) Weight w/o bit (kg) TDU40 105~127 TDU40 API 2 3/8 Reg. Pin 98 917 37 TDU50 130~152 TDU50 API 3

Introducton Same benefits as Tornado hammers Pilot hole is drilled first, then Tornado Hole Opener drill to the size required Faster drilling and more efficient for the large diameter holes Model No.of Hammers Connection Pilot Diameter(mm) Reamer

Introduction Tornado hammer customized Overburden Drilling System. Same benefits as Tornado hammers- Easier to retract and no reverse rotation required - Wings are retracted when Super Tornado is lifted Super Tornado Hammer Specification Model No.of Hammers Combined Bit Casing

Introduction Ideal for construction drilling applications, especially large diameter holes? - More percussive drill power to larger diameter holes - Used by foundation, pilings, footings, roadway and mining contractors Drilling range in size from 220mm to 2000mm and larger- Modular Design: the use of relatively smaller bits - Reduced bit

Introduction The patented Top Reaming Bit is a revolutionary new bit design. When drilling into the ground, the Top Reaming Bit extends out wider than the casing. Once the drilling is complete the Top Reaming Bit withdraws into the casing. The Top Reaming Bit outperforms all other competitors in the field. Feature Uniform rotation while

Introduction Unique design for faster penetration rate Minimizing service requirements due to simple design Premium grade of carbide inserts TDEX System Model No.of Wings Bit Diameter(mm) Casing Size(mm) Applicable Hammer Expended Retracted I.D. O.D. Wall SW

Introduction Designed for harder structure on pilot bit Premium grade of carbide inserts Easier to assemble and disassemble TREX System Model Bit Diameter(mm) Casing Size(mm) Applicable Hammer Expended Retracted I.D. O.D. Wall TDEX

Introduction Supplying other shank bits as well as TD design shank Supplying oversize drill bits and custom design bits Standard DTH Bits is a standard grade of carbide inserts Premium DTH is a premium grade of carbide inserts Bit Face Design - Flat Face / Concave Face / Convex Face / Double Step Face DTH Bits

Introduction Economic Solution for soft &medium soil formation Screw Hammer Specification Model Hole Size Standard Range (mm) Combined Hammer Bit TDS 400 350 ~ 400 ACE80 203mm (8") TDS 500 400 ~ 500 TD100 254mm (10") TDS 600 500 ~

Introduction Wide range of TD hammers Well established hammer proven by customer experience Heavy piston provides bigger energy output TD Hammer Specification Model Button Bit Standard Range (mm) Shank Type Connection Outside Diameter (mm) Length w/o bit (mm) Weight w/o

Introduction Symmetrical overburden drilling system Designed with bits extended out when drilling the hole. Reduce replacement cost of wing bit due to relatively longer life of wing bit NT System Model No.of Wings Bit Diameter(mm) Casing

Introduction Our newest designed hammers with higher productivity Faster penetration rate provided by our new air flow system Longer service life provided by new piston design Low operating cost due to fewer internal components Related Keywords DTH hammer drill bits downhole hammer rock drill bits drilling machine rock

- Rock tools   Button bit FF type, Drop center retrac type bit, Shank adaptor, coupling sleeve   * Packaging:  Export standard packing  * Shipping:   by sea or by