Asphalt & Concrete Milling Drums

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

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Drums


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


Big Easy Quick-Change System

  • Easy tool removal with access to the tool from the back of the block
  • Easy insert removal, simply unscrew insert with standard tools, no hydraulic presses or special tools required
  • Continuous wrap design with block to block welding technology ensures superior strength
  • Taper on taper design provides a consistent locking depth, providing a consistently smooth surface pattern
  • 60% larger than Keystone's EZ Screw Quick-Change System

View Milling Big Easy 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


Heavy Duty Welded

  • Largest construction welded block available
  • Side wear tabs designed to deflect material
  • Indicator pins assure exact relocation of the tool holder
  • Large weld chamfers for extra strength
  • Profile designed to increase cutting efficiency and improve material flow
View Milling Heavy Duty Welded Block Product Card

One Lock Quick-Change System

  • The replaceable tool holders are not tapered, reducing the locking force and reducing the time required to change the holder
  • Only one tool holder used throughout the drum, eliminating the need to stock multiple holders
  • Designed to last the life of the machine, no costly rebuilds required
  • Change bits faster with easy access to the tools from the back of the holder

View Milling One Lock 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


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