Surface Grinding Drums

Keystone will design and build grinding drums to meet any specification or specific need



RS Quick-Change System

  • Interchangeable tools for different grinding applications
  • Change the cutting width by simply adding or removing tools
  • 100% surface coverage with Keystone's flat tool eliminates the need for multiple passes during pavement marking removal
  • Increase production by 3 times when compared to diamond blades and flail teeth
  • Minimize surface damage while grinding
  • Precision machined block and tool ensures a uniform surface
View RS Quick-Change System Product Card

SS Quick-Change System

  • Cost effective alternative to diamond grinding
  • Leaves a flat and smooth surface pattern without ridges or grooves
  • The flat tool design eliminates surface damage seen with conical milling tools
  • Completely machined tool and block ensures a uniform surface pattern
  • The compound taper locking system pulls the tool in and down for precise alignment
  • Carbide and PCD diamond tool options available
View SS Quick-Change System Product Card

Easy Screw Quick-Change System

  • Easy tool removal with access to the tool from the back of the block
  • Easy insert removal, simply unscrew the insert with standard tools, no hydraulic presses or special tools required
  • Taper on taper design provides a consistent locking depth, providing a consistently smooth surface pattern

View Easy Screw Quick-Change System Product Card

Wedge Lock Quick-Change System

  • Interchangeable tool holders can achieve spacing of 5mm/7.5mm/15mm to meet any milling, fine milling or micro-milling specification
  • The only drum system on the market that is designed to last the life of the machine, no costly rebuilds required
  • Custom tailor the drum's spacing to increase or decrease the gradation of the RAP, on a job to job basis
  • Change tools faster with easy access to the tool from the back of the holder
  • Continuous wrap design provides superior strength

View Milling Wedge Lock Quick-Change System Product Card

Photo Gallery




Surface Preparation

Utah DOT Bump Grind