Pavement Markings and Marking Removal

Keystone manufactures replacement drums that can be adapted to existing equipment for line removal, pavement inlays, and rumble strips. Keystone's Flat Tooth System improves production of line removal and inlay equipment and leaves a pattern that is smoother than a diamond ground surface.


Aftermarket Drum Manufacturing

Line Removal and Pavement Inlays - Keystone's line removal and pavement inlay drums cut 100% of the pavement's surface, increasing production while leaving a surface that is smoother than diamond grinding.

Rumble Strip Grinding - Keystone manufactures replacement drums for all makes and models of rumble strip machines. Keystone's rumble strip drums are guaranteed to improve production and reduce bit consumption.

Production Video Links -

High Horsepower - Grinding Trucks

Low Horsepower - Push Behind Grinders

Flatliner FL13


Block and Tooling Systems

SS Quick-Change System

  • Interchangeable bits for different grinding applications
  • 100% surface coverage with Keystone's Flat Tooth bit elimiates 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 during the removal process with far less damage seen by the Flat Tooth System than by water blasting equipment and traditional grinding products
  • Completely machined bit and block ensures a uniform surface unlike a milled or diamond ground surface pattern
  • Carbide and diamond bit options available
  • Replacement drums available for all pavement marking removal machines
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RS Quick-Change System
  • Interchangeable bits for different grinding applications
  • 100% surface coverage with Keystone's flat tooth bit eliminates the need for multiple passes during pavment marking removal
  • Increase production by 3 times when compared to diamond blades and flail teeth
  • Minimize surface damage during the removal process
  • Completely machined bit and block ensures a uniform surface
  • Carbide and diamond bit options available
  • Replacement drums available for all pavement marking removal machines
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Rumble Strip Quick-Change System
  • Decrease downtime and eliminate in-field welding
  • Increase production while leaving a smoother and cleaner surface pattern
  • Utilizes Keystone's proven attack angles, decreasing bit consumption
  • Replace inserts easily, unscrew insert with standard tools, no special tools required
  • Taper locking system insures consistent insert locking depth, providing a consistently smooth surface pattern
  • Diamond and carbide bit options available
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Easy Screw System Quick-Change System
  • Easy bit removal with access to the bit from the back of the block
  • Easy holder removal-unscrew holder with standard tools, no hydraulic
    presses or special tools required
  • Taper on taper design provides a consistent holder locking depth, providing
    a consistently smooth milled surface pattern
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Heavy Duty Welded
  • Bigger than any other welded block on the market
  • Side wear tabs designed to deflect material
  • Indicator pins assure exact relocation of the bit holder
  • Large weld chamfers for strength
  • Profile designed to increase cutting efficiency and improve material flow
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Pavement Markings Removal Attachments

Flatliner Line Remover - Pavement Marking Removal Attachment

  • Optional self-contained vacuum system
  • 100% surface coverage to eliminate the need for multiple passes during pavement marking removal
  • Shaves the pavement’s surface instead of impacting the surface like traditional carbide conical bits that are used in asphalt milling machines
  • Minimized surface damage during pavement marking removal. Far less damage seen by the Flat tooth System than by water blasting equipment and traditional asphalt grinding products
  • Leaves a level and smooth surface unlike a milled surface or a diamond ground surface
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PCD - Polycrystalline Diamond Bits - Keystone has a large selection of PCD bits in stock. Please call Keystone direct to discuss the best bit for your milling application. 317-271-6192

D-540 PCD Bit - Polycrystalline Diamond Bits

Keystone Engineering's D-540 PCD tool can easily be adapted to any quick-change grinding system.

  • Improve productivity by extending tool life by 40x
  • Reduce fuel consumption by increasing cutting efficiency
  • Reduce overall maintenance cost of the machine by significantly reducing vibration
  • Carbide bolster extends the life of the diamond
  • Creates a smoother and more uniform surface pattern
  • Improve emplyee work environment by requiring fewer tool changes and minimizing machine vibration
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Carbide Bits - Keystone has a large selection of carbide bits in stock. Please call Keystone direct to discuss the best bit for your milling application. 317-271-6192

KEM-6 - Carbide Milling Bit

Bit Designed for Medium to High Horsepower Milling Machines

  • Patented non-rotating washer used to prevent block/holder face wear
  • Universal cutting bit that can be used on all OEM drum systems
  • Extended retainer for even block/holder wear
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KEM-7 - Carbide Milling Bit

Bit Designed for Medium to High Horsepower Milling Machines

  • Patented non-rotating washer used to prevent block/holder face wear
  • Universal cutting bit that can be used on all OEM drum systems
  • Extended retainer for even block/holder wear
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Custom Equipment Design and Manufacturing - Keystone can design and manufacture equipment to meet your specific needs. Please call Keystone direct to discuss custom design and manufacturing. 317-271-6192