Bullet Tools CenterFire Insulation Blade Single 7"

In stock

Bullet Tools CenterFire Insulation Blade Single 7"

The CenterFire Insulation Blade (handle not included) fits into standard utility knives and most reciprocating saws. Cuts easily through foam and fiber insulation products. Crafted from high-quality tooling steel, these re-sharpenable carbon steel blades are long-lasting and will outlast most other blades. Non-serrated edge eliminates dust and debris. (3-pack of these blades also available, as are single and 3-packs of the Bullet Tools 3" Centerfire blade; see "Related Products" below.)

Bullet Tools CenterFire Insulation Blade Single 7"

At 7 in. (177.8 mm), it's twice the length of the standard insulation blade and is the only one available without serration, thereby eliminating dust and debris. Quickly cuts through foam and fiber insulation products including batt insulation, Denim/Bonded Logic, Rockwool, XPS and fiberglass. Slightly flexible blade is made to be drug through thick insulation “ no need to waste time sawing “ and easily around window frames and outlet boxes.

Note: We recommend purchasing the shortest blade that can cut all the way through your product to avoid wandering. The 7 inch blade is ideal for batt insulation. For thinner products see our 3 inch Straight Blade (in "Related Products" below).

Pro Tip: The best way to use this blade is to drag it through your material at an angle as seen in the video. Trying to saw or slice with the handle straight up may result in the blade flexing or wandering.


  • Long-lasting re-sharpenable carbon steel blade outlasts most other blades
  • Crafted from high-quality tooling steel
  • Non-serrated edge eliminates dust and debris
  • Easily cuts notches and squares around outlets, and circles in sheets
  • 15% time savings
  • Clean, fuzz-free, dust-free cuts even on hard-to-cut insulation like denim and Rockwool
  • Blade fits into a standard utility knife handle as well as a Sawzall-type reciprocating saw
  • Versatility - blade works with CenterFire Insulation Knife Kit and many other cutting tools


  • Cut through insulation FAST!
  • Insulation Batts
  • Denim/Bonded Logic
  • Polyester/Enguard/Vita Nonwovens
  • Fiberglass
  • Rockwool/Mineral Wool
  • Foam Boards (Rigid sheet foam products)
  • Poly Iso
  • XPS
  • EPS
  • Soft Foam and more!
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