10 5/8 in H1209D+ V7RPD N10(270.256008720398 mm)

Product ID: 51001352

Design Specifications

Total Inserts57
Gauge Inserts(12) 22mm
Face Inserts(30) 19mm (9) 22mm
PD Inserts(6) 19mm
Nozzles3 - 1.25" Fixed Port
Junk Slot Area (sq in)6.1
Gauge Length2 1/16 in
Bit ConnectionN10 / N100
Fishing Neck (in)8.33 x 4.3
Shipping Weight (lbs)250

Operating Parameters

Rotary Speed (RPM)30-45 (Lowest RPM that yields a low, smooth torque)
Weight-on-Bit3,500 To 7,500 (lbs)
1,591 To 3,409 (daN)
2 To 3 (Tonnes)
Flow Rate (CFM)3000 To 5500
The operating parameters listed here are general parameters, please contact your local Smith Bits representative for precise recommendations for your individual well.



(Patent 8,387,725) The Gauge Plus engineered hammer bit advantage is achieved by strategically positioning a staggered adjacent to gauge (ATG) row cutting structure to augment the work capabilities of the primary gauge inserts. This differs from a standard percussion bit that uses a non-staggered gauge row configuration to cut a specific but independent portion of the sidewall and hole bottom with no work overlap. The ATG row on a Gauge Plus bit assists in cutting a portion of the outer hole helping to reduce the load on the primary gauge row inserts. This innovative new design enhances drilling efficiency by enabling the two rows to work in unison on the hole bottom rather than acting independently