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The World's Leading Drilling Technology

Unmatched Quality & Consistency

When it comes to drilling, one size does not fit all which is why Numa offers one of the largest ranges of rock drilling products in the industry. Our American Made products are capable of drilling holes from 3½ to 50½ inches (89 -1283 mm) in diameter for vertical, horizontal, and reverse circulation drilling applciations. So whether you are drilling conventional, reverse circulation, or horizontal holes, Numa has the right hammers, bits, accessories, and expertise to help you. Find out how we can help.

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  • Hole Openers

    Hole Size: 6" to 24" (152.4mm to 609.6mm)
    Hammer Outside Diameter: (mm)
    Bit Shank:
    Connection Size:

  • Casing Ring Bits

    Hole Size: 16" to 48" (406mm to 1219mm)
    Hammer Outside Diameter: Various (mm)
    Bit Shank: Various
    Connection Size: Various

  • Lubricators – 5, 15 & 45 Gallon

    Hole Size: " to " (mm to mm)
    Hammer Outside Diameter: (mm)
    Bit Shank: N/A
    Connection Size: N/A

  • Super Jaws® Overburden Bits

    Hole Size: 5.125" to 48" (130mm to 1219mm)
    Hammer Outside Diameter: Various (mm)
    Bit Shank: Various
    Connection Size: Various

  • Utility Pole Rock Drills

    Hole Size: 11.875" to 36" (302mm to 914mm)
    Hammer Outside Diameter: Various (mm)
    Bit Shank: Various
    Connection Size: Various

  • HDD 80 Directional Hammer

    Hole Size: 9.75" to 10" (248mm to 254mm)
    Hammer Outside Diameter: 7.75 (197mm)
    Bit Shank: 380
    Connection Size: 4.5

  • HDD 60 Directional Hammer

    Hole Size: 7" to 7.50" (178mm to 191mm)
    Hammer Outside Diameter: 5.5 (140mm)
    Bit Shank: HDD 60 & QL60
    Connection Size: 3.5

  • HDD 50 Directional Hammer

    Hole Size: 5.75" to 6.125" (146mm to 156mm)
    Hammer Outside Diameter: 5 (127mm)
    Bit Shank: HDD 50
    Connection Size: 3.5 API REG PIN

  • HDD 40 Directional Hammer

    Hole Size: 4.75" to 5" (121mm to 127mm)
    Hammer Outside Diameter: 3.875 (98mm)
    Bit Shank: HDD 40
    Connection Size: 2.375 API REG PIN

  • HDD 35 Directional Hammer

    Hole Size: 3.875" to 4" (98mm to 102mm)
    Hammer Outside Diameter: 3.25 (83mm)
    Bit Shank: HDD 35
    Connection Size: 2.375 API REG PIN

  • Impact Ring Bit System®

    Hole Size: 10.75" to 50.5" (273mm to 1283mm)
    Hammer Outside Diameter: Various (mm)
    Bit Shank: Various
    Connection Size: Various

  • Patriot 60HD

    Hole Size: 6.25" to 8.5" (159mm to 216mm)
    Hammer Outside Diameter: 5.75 (146mm)
    Bit Shank: QL60
    Connection Size: 3.5 API REG PIN

  • Patriot 60

    Hole Size: 6" to 8.5" (152mm to 216mm)
    Hammer Outside Diameter: 5.5 (140mm)
    Bit Shank: QL60 / 360
    Connection Size: 3.5 API REG PIN

  • Champion RC300

    Hole Size: 30" to 36" (762mm to 914mm)
    Hammer Outside Diameter: 28 (711mm)
    Bit Shank: RC300
    Connection Size: Several

  • Champion RC210

    Hole Size: 21" to 26" (533mm to 660mm)
    Hammer Outside Diameter: 20 (508mm)
    Bit Shank: RC210
    Connection Size: 10 Beco

  • Champion RC160

    Hole Size: 16" to 20" (406mm to 508mm)
    Hammer Outside Diameter: 15.5 (394mm)
    Bit Shank: RC160
    Connection Size: 10 Beco

  • Challenger RC100

    Hole Size: 10" to 15" (254mm to 381mm)
    Hammer Outside Diameter: 9.5 (241mm)
    Bit Shank: RC100
    Connection Size: 7.625 RC Modified

  • Patriot RC50

    Hole Size: 5.25" to 5.75" (133mm to 146mm)
    Hammer Outside Diameter: 4.875 (124mm)
    Bit Shank: PRC50
    Connection Size: 4.5 RC

  • Champion 330

    Hole Size: 32" to 48" (813mm to 1219mm)
    Hammer Outside Diameter: 28 (711mm)
    Bit Shank: C330
    Connection Size: 10 Beco

  • Patriot 240

    Hole Size: 24" to 36" (610mm to 914mm)
    Hammer Outside Diameter: 20 (508mm)
    Bit Shank: C240
    Connection Size: 8.625 API REG PIN

  • Patriot 180

    Hole Size: 18" to 30" (457mm to 762mm)
    Hammer Outside Diameter: 15.5 (394mm)
    Bit Shank: C180
    Connection Size: 8.625 API REG PIN

  • Patriot 125

    Hole Size: 12.25" to 20" (311mm to 508mm)
    Hammer Outside Diameter: 10.75 (273mm)
    Bit Shank: N125
    Connection Size: 6.625 API REG PIN

  • Patriot 120

    Hole Size: 11.875" to 17.5" (302mm to 445mm)
    Hammer Outside Diameter: 10.125 (257mm)
    Bit Shank: N11/N120
    Connection Size: 6.625 API REG PIN

  • Challenger 100

    Hole Size: 9.875" to 15" (251mm to 381mm)
    Hammer Outside Diameter: 9 (229mm)
    Bit Shank: N100
    Connection Size: 6.625 API REG PIN

  • Patriot 85Q

    Hole Size: 7.875" to 10" (200mm to 254mm)
    Hammer Outside Diameter: 7.125 (181mm)
    Bit Shank: QL80
    Connection Size: 4.5 API REG PIN

  • Patriot 85

    Hole Size: 7.875" to 10" (200mm to 254mm)
    Hammer Outside Diameter: 7.125 (181mm)
    Bit Shank: 380
    Connection Size: 4.5 API REG PIN

  • Patriot 80

    Hole Size: 7.875" to 10" (200mm to 254mm)
    Hammer Outside Diameter: 7.125 (181mm)
    Bit Shank: 380
    Connection Size: 4.5 API REG PIN

  • Patriot 60W

    Hole Size: 6" to 8.5" (152mm to 216mm)
    Hammer Outside Diameter: 5.5 (140mm)
    Bit Shank: 360
    Connection Size: 3.5 API REG PIN

  • Patriot 50

    Hole Size: 5.5" to 6.125" (140mm to 156mm)
    Hammer Outside Diameter: 4.875 (124mm)
    Bit Shank: QL50
    Connection Size: 3.5 API REG PIN

  • DCS5HD

    Hole Size: 5.5" to 6.125" (140mm to 156mm)
    Hammer Outside Diameter: 5 (127mm)
    Bit Shank: QL50
    Connection Size: 3.5 API REG PIN

  • DCS5

    Hole Size: 5.5" to 6.128" (140mm to 156mm)
    Hammer Outside Diameter: 4.875 (124mm)
    Bit Shank: QL50
    Connection Size: 3.5 API REG PIN

  • Patriot 45

    Hole Size: 4.5" to 5.25" (114mm to 133mm)
    Hammer Outside Diameter: 4 (102mm)
    Bit Shank: TD40
    Connection Size: 2.375 API REG PIN

  • Patriot 40HD

    Hole Size: 4.25" to 5.25" (108mm to 133mm)
    Hammer Outside Diameter: 3.875 (98mm)
    Bit Shank: 340A
    Connection Size: 2.375 API REG PIN

  • Patriot 40

    Hole Size: 4.25" to 5.25" (108mm to 133mm)
    Hammer Outside Diameter: 3.75 (95mm)
    Bit Shank: 340A
    Connection Size: 2.375 API REG PIN

  • Patriot 35A

    Hole Size: 3.5" to 4.125" (89mm to 105mm)
    Hammer Outside Diameter: 3.125 (79mm)
    Bit Shank: C35/3.5
    Connection Size: 2.375 API REG PIN

Use the following form to request access to the product brochures. If you have any questions, please contact us and we will be happy to assist you.

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