20 inch Magnum Siding Shear & Trim Cutter

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The #620 Magnum Siding & Siding Trim Cutter is designed specifically for the siding industry. Quickly cuts HardiePlank® (less than 1 second) with ease, without dust, as well as fiber cement board, OSB, pressboard lap, and vinyl. Cuts a maximum pitch of 6/12 on an 8 in. (203.2mm) board. This shear will outlast the competition any day – and probably the vehicle you transport it in. Proudly Made in The USA, Bullet Tools come with a 5 Year Warranty.

  • NO DUST – Fast cleanup, work inside
  • NO NOISE – Work early or late
  • NO ELECTRICITY – Easy setup, environmentally friendly
  • One shear blade outlasts over 20 saw blades
  • Full metal-jacketed ball bearings for smooth operation
  • Laser guide for precision cuts & Built-in ruler
  • AngleMaster dual fence system for accurate and repeatable cuts
  • Extendable handle for maximum leverage
  • 30-day satisfaction guarantee


Financing Available for orders over $1,000

These custom hand-honed blades slice through vinyl or Hardiboard in less than 1 second. This shear will outlast the competition any day – and probably the vehicle you transport it in. 

CUTS: Maximum thickness for all materials: 1 in. (24.5mm)

  • Siding: Fiber Cement Board / OSB / Pressboard Lap / Vinyl / Wood
  • Trim: OSB / Fiber Cement / Vinyl / 
  • Shingles, Tar or Wood


More Information
Country of Manufacture United States


MAGNUM 620 Siding Shear is a versatile, dust-free, heavy-duty cutter for siding products up to 20 in. (508mm) wide and 1 in. (25.4mm) thick. Magnum Shears include a 5-year Bullet Proof warranty for a reason. Made to be a lifetime tool, Magnum is the most powerful line of shears on the market. Perfected over sixteen years, our custom hand-honed blade slices through vinyl or Hardiboard in under a second. 

  • Save Time – Safely cut where you work
  • Strong, lightweight double I-beam construction
  • Shear Stand Mounting Brackets included
  • 5-Year Warranty
  • Proudly Made in The USA