Blue Diamond Auger Bits & Extensions

Standard Duty

• Light to moderate ground conditions
• Fabricated boring head
• Hardened bolt on teeth
• Hardened fist tail point
• 4' standard length
• Heavy duty double flighting

Heavy Duty

• Difficult ground conditions, heavy clay, frozen ground, fracturable rock, asphalt, and compacted soils
• Cast steel boring head
• Hardened drive in teeth
• Hardened fish tail point
• 4' standard length
• Heavy duty double flighting
• Carbide teeth available

Extreme Duty

(Requires minimum down pressure of 3,000 lbs. to work well)

• Solid rock and concrete
• Cast tooth pockets
• Drive-in carbide bullet teeth
• 3/4" thick boring head
• 4' standard length

The standard collar is 2" hex with 2" round and 2 9/16" round being available upon request. Adapters are also available to mount the bits to other drive units.

Extensions are available in 2', 4', and 6' lengths. The variable option has a hole every 12" for use in multiple positions (works on 10" and bigger bits only) and the fixed is a solid shaft. The fixed style in recommended if the application is very strenuous or when using high pressure drive units.