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HDD Bits & Blades

These nearly indestructible HDD drill bits & blades are built to withstand all the tough spots and rough patches Mother Nature throws in your way. Whether you’re drilling into gravel or dirt, Melfred Borzall has the right directional drill bit or blade for your project. Most of our blade & bits are compatible with our FastBack® pullbacks devices and all blades are compatible with the Pit Bull Design.

HDD Bits & Blades
HDD Bits & Blades
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  1. From  $292.40
    3/4" Steep Taper Ultra Bit 3 with conical carbides
    Steep Taper Ultrabits

    Premium drill bit slices through cemented cobble, hard-packed soils and softer shales

    Ground: Caliche, Cobble, Gravel

  2. From  $1,259.00
    Iron Fists
    Iron Fist Bits

    Designed to be easily and inexpensively rebuilt, reducing your tooling costs

    Ground: Cobbles, Gravel, Caliche

  3. From  $264.45
    UltraBits
    HDD UltraBits

    Large welded carbide blocks and contoured steer surface with chunky carbide wear surface

    Ground: Shale, Sandstone, Caliche

  4. From  $313.90
    Rock Saws
    Rock Saw Blades

    Bull-nose design for easier steering in rocky and abrasive soil conditions with dome carbides options

    Ground: Gravel, Hardpan, Cobbles

  5. From  $177.38
    Excaliburs
    Excalibur Blades

    Round nose makes for smooth cutting and easier steering pushes in rocky and abrasive soil conditions

    Ground: Clay, Sand

  6. From  $106.43
    Chunky Valu-Blades
    HDD Chunky Valu-Blades

    Economical drill bit packs a mighty punch in soft but abrasive conditions that don't call for frills

    Ground: Sand, Dirt, Clay

  7. Browse All Bits & Blades
    Browse All Bits & Blades

    Shop our entire inventory of HDD Bits & Blades on one page and refine your search using our size & feature filters.

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65 items

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  1. For Use In
    Clay
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Rig Model
Rig Model
  1. D6x6 26items
  2. D7x11A 26items
  3. D7x11A S2 26items
  4. D8x12 23items
  5. D9x13 23items
  6. D9x13 S2 23items
  7. D9x13 S3 23items
  8. D10x15 23items
  9. D10x15 S3 23items
  10. D16x20 23items
  11. D16x20 S2 23items
  12. D18x22 23items
  13. D20x22 S2 23items
  14. D20x22 S3 23items
  15. D23x30 S3 24items
  16. D24x26 24items
  17. D24x33 24items
  18. D24x40 24items
  19. D24x40A 24items
  20. D24x40 S2 24items
  21. D24x40 S3 24items
  22. D33x44 24items
  23. D36x50 24items
  24. D36x50 S3 24items
  25. D36x50DR S2 24items
  26. D40x40 24items
  27. D40x55 1item
  28. D40x55 S3 24items
  29. D40x55DR S3 24items
  30. D50x100 12items
  31. D60x90 12items
  32. D60x90 S3 12items
  33. D80x100 13items
  34. D80x100 S2 13items
  35. D80x120 13items
  36. D100x120 5items
  37. D100x120 S2 5items
  38. D100x140 5items
  39. D100x140 S3 5items
  40. D220x300 2items
  41. D220x300 S3 2items
  42. JT5 4items
  43. JT9 18items
  44. JT10 18items
  45. JT20 18items
  46. JT24 18items
  47. JT25 18items
  48. JT30 20items
  49. JT30 AT 20items
  50. JT40 6items
  51. JT40 AT 6items
  52. JT60 5items
  53. JT60 AT 5items
  54. JT100 M1 5items
  55. JT100 AT 5items
  56. JT520 4items
  57. JT920 18items
  58. JT920L 18items
  59. JT921 18items
  60. JT922 18items
  61. JT1220 M1 18items
  62. JT1720 18items
  63. JT1720 M1 18items
  64. JT2720 20items
  65. JT2020 18items
  66. JT2720 M1 20items
  67. JT2720 AT 20items
  68. JT3020 20items
  69. JT3020 AT 20items
  70. JT4020 6items
  71. JT4020 M1 6items
  72. JT4020 AT 6items
  73. JT7020 6items
  74. JT7020 M1 6items
  75. JT8020 M1 6items
  76. DD4 3items
  77. DD5 2items
  78. DD6 2items
  79. DD8 3items
  80. DD10 2items
  81. DD220T 2items
  82. DD1215 2items
  83. DD1416 2items
  84. DD2024 2items
  85. DD2226 3items
  86. DD3238 3items
  87. DD4045 3items
  88. DD4050 3items
  89. DD9014 2items
Blade Bolts
Blade Bolts
  1. (3) 12x20MM bolts 6items
  2. (5) 12x25MM bolts 16items
  3. (6) 16x35MM bolts 17items
  4. (6) 20x40MM bolts 3items
  5. (5) 3/8x3/4" bolts 6items
  6. (6) 1/2x1" bolts 21items
  7. (6) 5/8x1-1/4" bolts 10items
  8. (6) 3/4x1-1/2" bolts 3items
Bit Type
Bit Type
  1. Borzall Blade 22items
For Use In
For Use In
Caliche 61 items
Clay 65 items
Cobbles 62 items
Dirt 85 items
Gravel 61 items
Hardpan 83 items
Sand 75 items
Sandstone 62 items
Shale 63 items
Pilot Hole Cutting Diameter
Pilot Hole Cutting Diameter
  1. 2.5" 4items
  2. 3" 2items
  3. 3.5" 13items
  4. 4" 22items
  5. 4.5" 2items
  6. 5" 23items
  7. 6" 14items
  8. 7" 1item
  9. 7.5" 3items
  10. 8" 2items
  11. 9" 2items
COMPARE bits & SOIL TYPES
RED DIAMOND BLADE
Red Diamond Directional Blade | Melfred Borzall
100% CARBIDE COVERAGE WITH MORE CARBIDES THAN ANY OTHER BLADE

Need something a bit more aggressive than the average blade without upgrading to a tri-cutter or hard-ground bit?

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