Bit Thirds | Bit Sections | Hole Opener Cones

 
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BIT THIRDS / SECTIONS OF ALL TYPES AND SIZES

Many drilling contractors prefer to rebuild their Hole Openers in-house.

We can provide all the parts you need.


  1. •AMERICAN MADE

  2. •Oilfield Quality

  3. •NEW Bit Thirds / Sections

  4. •Premium Re-Run Bit Thirds / Sections

  5. •TCI (Tungsten Carbide Insert) Buttons

  6. •Mill Tooth (Steel Tooth)

  7. •Sealed Bearings or Open Bearings

  8. •Soft Formation TCI to Extremely Hard Formation TCI Available

  9. •Chisel or Conical TCI Available

  10. •All Cutting Structures Available

  11. •Additional Hardfacing Application Available On Shanks

  12. •All Sizes Available

  13. •In Stock

Premium Re-Run Thirds / Sections

With Factory Jets Intact (most common)

Premium Re-Run Thirds / Sections

With Factory Jets Removed For Clearance
(Allows more cones on a Hole Opener.

Requires Jets to be installed in reamer shaft)

Our bit thirds / sections come from our large inventory of American Made, Oil & Gas drill bits. We split our own bits, in house to ensure consistency and quality.

Gauge to Nose

2 ways to determine the size of bit thirds you need.
1. Know the size of the tri-cone bit that it came from.
2. Measure the distance from gauge to nose. (see below)

Gauge to Nose

BIT THIRDS AVAILABLE FROM THE FOLLOWING TRI-CONE BITS


  4 3/4” (TCI or Mill Tooth)

  5 1/2” (TCI or Mill Tooth)

  6”         (TCI or Mill Tooth)

  6 1/2” (TCI or Mill Tooth)

  7 7/8” (TCI or Mill Tooth)

  8 1/2” (TCI or Mill Tooth)

  8 3/4” (TCI or Mill Tooth)

  9 7/8”  (TCI or Mill Tooth)

  10 5/8” (TCI or Mill Tooth)

  12 1/4” (TCI or Mill Tooth)

  14 3/4” (TCI or Mill Tooth)

  16”          (TCI or Mill Tooth)

  17 1/2” (TCI or Mill Tooth)


If you need help determining what size thirds / sections you need, you can measure the gauge to nose distance of your existing cutters and call for assistance. Measuring the gauge to nose will allow us to accurately determine what size tri-cone bit your thirds came from. (see below)

*If you’re wanting to change the diameter of your hole opener, we can help you determine what size thirds you can install to achieve this. Call for assistance.

Split and Trimmed Bit Thirds Also Available