Block & Tooling Systems

Keystone is the premier block and tooling system manufacturer for grinding machines

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Block & Tooling Systems


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


Wedge Lock Quick-Change System for Mining

  • Interchangeable blocks for different mining applications can convert a standard spaced drum into a rock drum without the costly expense of changing drums
  • No tapered or threaded parts are welded to the drum providing a longer lasting block system. Industry standard taper systems wear and lose locking capability over time
  • Continuous Wrap Design - Keystone's patented block to block welding technology insures superior strength in the most extreme mining environments
  • Easily change from a standard mining tool to a radial mining bits
View Mining Wedge Lock 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


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


Big Easy Quick-Change System for Mining

  • Easy insert removal - unscrew holder with standard tools, no hydraulic presses or special tools required
  • Interchangeable inserts provide unmatched versatility allowing for the use of multiple size shank bits for different mining applications
  • Continuous Wrap Design - Keystone's patented block to block welding technology insures superior strength in the most extreme mining environments
  • Keystone's patented threaded system provides more clamping force than industry standard taper systems creating a system that is stronger and lasts longer
View Mining Big Easy Quick-Change System Product Card

NT-EZ Quick-Change System

  • Easy tool removal with access to the tool from the back of the block
  • Easy insert removal
  • No threaded parts are welded to the drum, providing a longer lasting drum
  • Double taper lock system locks the insert into place, ensuring proper attack angles are held and maintained throughout multiple changes

View Milling NT Big Easy Quick-Change System Product Card


Trenching Vermeer-Earth Saw Segments

  • Each tooth holder location is machined to achieve the best attack angle, extending tool life and increasing fuel economy with less abuse to your machine
  • Made from 4140 high alloy wear resistant steel
  • Equal circumferential spacing helps to reduce vibration
  • Wear bars keep material off the bolt head making maintenance easier
  • The side against the wheel is machined to a perfect flat, reducing vibration and providing longer life
  • Mounting holes are threaded, eliminating the need for a nut on the opposite side
View Trenching Earth Saw Segments Product Card

SS Quick-Change System

  • Interchangeable tools for different grinding applications
  • 100% surface coverage with Keystone's Flat Tooth bit eliminates the need for multiple passes
  • Increase production by 3 times when compared to diamond blades and flail tools
  • Minimize surface damage while grinding
  • Precision machined block and tool ensures a uniform surface pattern
  • Carbide and PCD diamond tool options available
  • Replacement drums available for all grinding machines
View SS Quick-Change System Product Card
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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

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


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

Heavy Duty Welded - Trenching

  • Largest construction welded block available
  • 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
  • Custom designed to be compatible for all trenching tools
View Trenching Heavy Duty Welded Block Product Card

BL - PCD System Quick-Change Blade System

PCD Saw Blades Available for all Grooving and Grinding Machines

  • Increase production by 4 times when compared to standard diamond saw blades and carbide flail tools
  • Interchangeable PCD tools for different grinding applications
  • 100% surface coverage with Keystone's BL flat tool eliminates the need for multiple passes while grooving and grinding
  • Longest lasting and most versatile PCD tools on the market
  • The most versatile blade system: Blades accept 3, 6, 9, or 18 tools

View Quick-Change BL - PCD System Product Card


EZ540 PCD Tool Holder - Wirtgen Type 22

  • Quickly change from PCD tools to carbide tools without having to change the drum or tool holder
  • Replaceable steel insert significantly increases PCD tool life
  • Keystone's patented threaded PCD tool is the only rigid mount three piece diamond system available: base block, tool holder, PCD tool
  • Change PCD tools quickly with standard tools, no hydraulic presses or special tools required/li>
  • Taper on taper locking design provides a consistent locking depth, producing a smooth and uniform surface pattern
  • Right and left threaded PCD tools self tighten during the grinding process
View Wirtgen Type 22 Tool Holder Product Card
View D540 PCD Tool Product Card

EZ540-875 PCD Tool Holder - Wirtgen Type 22

  • Keystone's patented threaded diamond tool is the only rigid mount three piece diamond system: base block, tool holder, PCD tool
  • Change PCD tools quickly with standard tools, no hydraulic presses or special tools required
  • Taper on taper locking design provides a consistent locking depth, producing a smooth and uniform surface pattern
  • Right and left threaded PCD tools constantly self tighten during the grinding process
View Wirtgen Type 22 Tool Holder Product Card
View D540-875 PCD Tool Product Card

Kennametal KPF303 Toolholder

  • Quickly change from PCD tools to carbide tools without having to change the drum or tool holder
  • Replaceable steel insert significantly increases PCD tool life
  • Keystone's patented threaded PCD tool is the only rigid mount three piece diamond system available: base block, tool holder, PCD tool
  • Change PCD tools quickly with standard tools, no hydraulic presses or special tools required
  • Taper on taper locking design provides a consistent locking depth, producing a smooth and uniform surface pattern
View Kennametal Toolholder Product Card

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