12 Inch DTH Hammers

The Mincon range of 12” DTH hammers is designed around proven technology to perform at the top end of the performance scale compared to other tools on the market. These tools are excellent for all types of drilling applications including residential geothermal, production quarry drilling, seismic drilling and small construction drilling.

The Mincon range of 12” hammers are available in the popular QL120 and SD12 shanks for operation at higher pressures.

  • Patented features maximize energy output and reduce service requirements.
  • Fewer internal components minimize service requirements.
  • Valveless, high frequency design ensures smooth operation.
  • Hardened wear sleeve for optimum wear resistance even in the most abrasive conditions.
  • Multi-start threads on backhead and chuck ensure easy coupling/uncoupling of hammer.
  • Unique internal mount system eliminates the need for wear shims and special assembly tools.
  • All critical internal components are heat treated under strict control to maximize tool longevity.

Imperial Specifications

Mincon XP120QL120 Mincon XP120SD12
Hammer Outside Diameter 10.75″ 10.75″
Hammer Length (Less Drill Bit) 56.6″ 56.6″
Backhead Spanner Flat Size 9.5″ 9.5″
Drill Bit Shank Type QL120 SD12
Standard Backhead Thread¹ 6-3/8″ A.P.I. Reg Pin 6-3/8″ A.P.I. Reg Pin
Minimum Bit Size 12″ 12″
Hammer Weight (Less Bit) 1248lbs 1248lbs
Drill Bit Weight 345lbs 283lbs
Piston Weight 266lbs 266lbs
Backhead Stand Off 0.080″ 0.080″
Recommended Minimum Air Package² 1100cfm @ 350psi 1100cfm @ 350psi

¹ Other Backhead threads available upon request

² Drilling conditions and project specifications may require larger air package to be used