Trenching


Block and Tooling Systems

Quick-Change Block Systems

Big Easy Quick-Change System - Trenching
  • Easy bit holder removal—unscrew holder with standard tools, no hydraulic presses or special tools required
  • Keystone’s patented threaded system provides more clamping force than industry standard taper systems creating a system that is stronger and lasts longer
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Weld-On Block Systems

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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Industry Standard Blocks - Keystone can supply most industry standard block systems


Bolt-On Trencher Base Plates

  • The bottom plate bolts directly to the chain and the hardened top plate bolts
    directly to the bottom plate
  • No exposed bolt heads
  • The tooth holder can be placed anywhere on the plate, no longer needing to
    consider the bolt's location
  • Keystone’s patented Big Easy Quick-Change System allows users to eliminate
    the need for costly in-field welding
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Vermeer-Earth Saw Segments

  • Each tooth holder location is machined to achieve the best attack angle, extending bit 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
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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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Trenching Skid Steer Attachments

Keysaw - Asphalt and Concrete Saw

Skid Steer Saw/Cold Planer Attachment Designed for Cutting Concrete

  • Asphalt and Concrete Sawing
  • Partial Depth Concrete Repair
  • Micro-Trenching
  • Longitudinal Joint Repair
Keysaw Video
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Wear Protection Products - Keystone offers a variety of wear protection products to minimize equipment downtime.

Wear Patch - An excellent solution to abrasive wear problems. Wear Patch comes in a variety of shapes and sizes and can be easily cut with a torch to fit irregular shaped areas. Wear Patch is easily installed on any flat metal wear surface using Mig wire. Wear Patches are through-hardened to 60-63 Rockwell C for superior wear life.

Wear Plates - Provides a simple solution for rectangular shaped high wearing pieces. Wear Plates are available multiple sizes and in thickness from .375" to 1.000". Wear Plates have customizable holes cast in place for bolt or weld washer installation. Wear plates can not be welded, but can be cut to size with a plasma cutter.