QEP 6-4008BW Black Widow 4" Diamond Blade

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The Black Widow series is Q.E.P.'s premier blade for very fast, chip-and wobble-free cutting of porcelain, marble, granite and ceramic tile.


The Black Widow Diamond blades are designed for quick cutting of hard tile including porcelain, ceramic, granite and marble, without wobble or chipping. Lab test results state that these Black Widow specialty blades continuously out perform the competition in durability for a longer life and speed of cut, reducing project time

  • Premium-grade, thin-rim diamond blade for fast wet cutting of porcelain, ceramic, granite and marble tile.
  • Unique diamond shaped laser cutouts prevent blade wobble and keeps blade cooler for a longer life.
  • 7mm rim height for a longer life and for increased cutting contact with the blade.
  • Ideal for high speed cutting of hard masonry tile.


  • Application: Wet/Dry
  • Rim Height: 7mm
  • Width: .060"
  • Arbor Size: 5/8" - 20mm - 7/8"
  • Max RPM: 15000

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