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Reverse Circulation DTH Drill Bit

 Reverse Circulation DTH Drill Bit

As a prominent RC drilling solution provider, we are proud to offer a wide selection of RC hammers and RC hammer bits. Specifications of our reverse circulation DTH drill bits are shown below. Check it now and contact us if you are interested.

Bit Shank Chart for High Pressure, High Efficiency DTH Hammers
Bit Shank Chart for Reverse Circulation DTH Hammers
SPMF335
L=181mm
Spline=8
SPMF365
L=225mm
Spline=8
SPMF345
L=225mm
Spline=8
SPMF385
L=273mm
Spline=8
SPMF355
L=225mm
Spline=8
SPMF3105
L=254mm
Spline=8
SPMF3125
L=261mm
Spline=8
Technical Specifications of the Reverse Circulation DTH Drill Bits
Part No. Number of Air Hole Diameter (mm) Gauge Buttons Front Buttons Matching DTH Hammer
SPMF335-95 2 95-98 8 ×Φ14 6 ×Φ13 SPMF335
SPMF335-105 2 105-108 8 ×Φ14 6 ×Φ13
SPMF345-115 2 115-118 8 ×Φ14 7 ×Φ13 SPMF345
SPMF345-127 2 127-130 8 ×Φ14 7 ×Φ13
SPMF355-133 2 133-136 12 ×Φ14 4 ×Φ13 SPMF355
SPMF355-140 2 140-143 14 ×Φ14 5 ×Φ13
SPMF365-175 2 175-178 14 ×Φ16 7 ×Φ14 SPMF365
SPMF365-195 2 195-198 8 ×Φ16 13 ×Φ16
SPMF365-203 3 203-206 12 ×Φ16 13 ×Φ14
SPMF365-216 3 216-219 12 ×Φ16 16 ×Φ14
SPMF385-216 3 216-219 12 ×Φ16 16 ×Φ14 SPMF385
SPMF385-254 3 254-257 10 ×Φ16 16 ×Φ16
SPMF3105-254 3 254-257 10 ×Φ18 14×Φ16 SPMF3105
SPMF3105-273 3 273-276 10 ×Φ18 16×Φ16
SPMF3105-305 3 305-308 10 ×Φ18 20×Φ16
SPMF3125-311 3 311-314 10 ×Φ18 20×Φ16 SPMF3125
SPMF3125-355 3 355-358 10 ×Φ18 24×Φ16
SPMF3125-381 3 381-384 10 ×Φ18 26×Φ16
a) Not marked gauge buttons and fronts buttons are all spherical buttons.
b) Code name: SPM + Hammer Model + Drill Bit Diameter
Example: SPMF345-115
345= Model of matching DTH hammer; 115= Diameter of Reverse Circulation Drill Bits (mm)
※Above technical parameters are used for reference only.