Bosch Hole Saw HBT450 4-1/2 Inch Bi-Metal M42 Cobalt Progressor Tooth Cutter (5 TPI Geometry Wood Stainless Metal Ventilation Conduit Boring Tool) Brad Nailer Brand GEARWRENCH Model Number 85988

Bosch Hole Saw HBT450 4 1 2 Inch Bi Metal M42 Cobalt Progressor Tooth Cutter (5 TPI Geometry Wood Stainless Metal Ventilation Conduit Boring Tool) Brad Nailer Brand GEARWRENCH Model Number 85988 Brand GEARWRENCH Model Number 85988 Set Piece Count 12 Pieces Measurement System Metric Size Range 8mm (0 61 lbs Case Included Yes (Blow Mold) Warranty Full Lifetime Pro Tip: Use deep sockets when working with long threaded studs to prevent the fastener tip from bottoming out inside the socket well and blocking full engagement Professional Grade 4 1 2 Inch M42 Cobalt Alloy Bi Metal Hole Saw with Progressor Tooth Configuration and Triangle Core Plug Ejection Slots The Bosch HBT450 4 1 2 Inch Bi Metal Hole Saw M42 Cobalt Alloy 5 TPI Progressor Tooth for Wood Metal and Plastic delivers specialized large diameter percussive excavation utility and exceptional substrate cutting efficiency across demanding mechanical HVAC routing paths