HDD Tooling Collars

ZH Tooling has replacement HDD Collars Vermeer, Ditch Witch and others brand. All HDD Collars feature a machined hole to protect the collar locking bolt. ZH Tooling HDD Collars has Cpllars with hardfacing with or without hard-facing. The HDD Collars fits over the flats on the Starter Rod, preventing over-torqueing on the threads.

1. ZH Tooling HDD Collars has stronger walls after heat treatment, all covered with chunky hard facing.
2. ZH Tooling HDD Collars has HDD Collars with carbide cutter teeth to actually enlarge the hole during pullback and dramatically increase service life in extreme field construction environment.
3. All ZH Tooling HDD Collars has completely heat-treated for maximum service life.
4. ZH Tooling HDD Collars with extra longer for better protection to the Starter Rod.
5. ZH Tooling HDD Collars has specially Tungsten hard facing to improve wear resistance.