Ultimate Performance in Challenging Terrains: Heavy-Duty Boring Head with Hardened Teeth, Ideal for Frozen Ground, Heavy Clay, Asphalt, and More! Difficult ground conditions, heavy clay, frozen ground, fracturable rock, asphalt and compacted soils Cast steel boring head Hardened drive-in teeth Hardened fishtail point 4′ standard length Heavy Duty double flighting Carbide teeth available
