The key to tube notching and any metal cutting is rigidity. With a 1-1/4” thick main block, 1” thick swing arm and 1-1/4” heat treated chromoly shaft we guarantee The Grizzly is the most rigid hole saw notcher on the planet.

Why Choose The Grizzly Over Other Tube Notchers?

• Unmatched versatility: Pivot design allows notching from both sides of the tube — up to 240° of notch angle.

• Dual clamp system: Enables notching on bends for complex fabrication work.

• Wide capacity range:

  • Round Tube: 3/16" OD min. to 2-1/2" OD max.

  • Square Tube: Up to 2" x 2"

  • Flat Bar: Up to 2" width

  • Angle Iron: Up to 2" size

• Adjustable dovetail block for offset notches up to 2-1/2".

• Precision-built:

  • Degree ring with adjustable pointer

  • Billet aluminum bearing block

  • USA-made bronze bearings (self-lubricating)

  • 1-1/4" heat-treated 4140 chromoly shaft, ground and polished

• Durable construction:

  • Black oxide-coated main block

  • Powder-coated clamps and degree pointer

• Adaptable setup:

  • Works with 3/8” and 1/2” hand drills

  • Accepts 9/16”–3” hole saws with 1/2”-20 or 5/8”-18 arbor threads

  • Can be vise-mounted or fixture-mounted

  • Can mount directly to chassis or roll cage for on-site repairs

• Serviceable design: Heat-treated and replaceable drill and hole saw attachments for long-term reliability.