achieve bucket perfection with Hardox and ultralok

The Ultralok system is a two-piece, hammerless tooth system featuring an integrated locking device that increases safety, reduces inventory and simplifies replacement.




  • Completely hammerless system

  • Longer wear life than other systems 

  • 14.8% more usable wear metal 

  • Harder and tougher alloy steel 

  • Better reliability

  • More stabilized mating flats 

  • Reduced locking device loading

  • Improved digging performance

  • Lower nose height

  • Smooth tooth to adapter transition

  • All new streamlined point shapes

  • Easier to use

  • Lock integrated into the point

  • One simple tool operates system

  • Increased safety


How ultralok works


machine tonnage and fitment chart

This table compares Ultralok tooth/adapter sizing with Cat J-series and ESCO Conical. For a full comparison table with all brands click here.

Tonnage 7–10 10–15 15–20 20–25 25–30 30–40 40–60 60–75
Ultralok U20 U25 U30 U35 U40 U45 U55 U60
Cat J-Series J225 J250 J300 J350 J400 J460 J550 J600
ESCO Conical 25 30 35 40 45 50 55–65 65–70


We've got people on the ground across the whole country. Get in touch so we can visit you and specify the best Ultralok products for your work.  

View the ESCO brochure below for a more detailed overview of Ultralok


Product Range