Cobalt Series

Vacuum Brazed Diamond Coating Technology for Super Duty Long Lasting Applications

Increased Body Height for Deeper Cuts 1-1/4 inch to 1-3/8 inch

Clean, Precise, Fast, and Dustless Cuts Every Time

Standard 3/8" Shank for Standard Drills - No Special Tools Needed

Drills Through Toughest Materials

Wet Use with Water for Cooling

Drills Through Quartz, Granite, Porcelain, Ceramics, Tiles, Glass

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  • 1 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    (7)
    $19.94 USD
    $19.94 USD $19.94 USD
    1 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 1-1/4 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    (10)
    $17.94 USD
    $17.94 USD $17.94 USD
    1-1/4 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 1-3/8 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    (7)
    $22.94 USD
    $22.94 USD $22.94 USD
    1-3/8 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 1-1/2 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    (2)
    $22.94 USD
    $22.94 USD $22.94 USD
    1-1/2 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 1-3/4 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    (6)
    $22.94 USD
    $22.94 USD $22.94 USD
    1-3/4 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 2 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    (1)
    $22.94 USD
    $22.94 USD $22.94 USD
    2 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 2-1/2 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    (2)
    $32.94 USD
    $32.94 USD $32.94 USD
    2-1/2 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 3 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    $37.94 USD
    $37.94 USD $37.94 USD
    3 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

  • 4 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed

    $47.94 USD
    $47.94 USD $47.94 USD
    4 Inch Diamond Hole Saw Drill Bit Cobalt Series Vacuum Brazed