auger ATTACHMENTS
Auger Bits
Whether you're drilling fence posts, planting trees, installing utilities, or cutting through solid rock, Blue Diamond offers an auger bit engineered for the job. All bits are manufactured in the USA and designed to fit Blue Diamond auger drives and most industry-standard drive units.
Product Details
Download BrochureHeavy Duty Bits
The Everyday Workhorse
Ideal for contractors, farmers, fence builders, and utility crews working in light to moderate ground conditions.
Best Applications
- Fence posts
- Deck footings
- Sign installation
- Utility work
- General construction
Features
- Heavy-duty double-flight design
- One-piece cast steel boring head
- Hardened bolt-on gage teeth
- Hardened bolt-on wisdom teeth
- Hardened fishtail pilot
- 4' standard length
- Available with 2" hex, 2" round, or 2-9/16" round collars
- Available in diameters from 4" to 36"
Benefits
- Fast spoil removal for quicker drilling
- Aggressive tooth angles improve digging efficiency
- Replaceable bolt-on teeth reduce maintenance costs
- Excellent all-around performance for most applications
Heavy Duty cast head Bits
Built for Tough Ground Conditions
Designed for operators who regularly encounter dense, compacted, or difficult soils.
Best Applications
- Heavy clay
- Frozen ground
- Asphalt
- Fracturable rock
- Compacted soils
- Utility installations
Features
- One-piece cast steel boring head
- Hardened drive-in gage teeth
- Hardened drive-in chisel teeth
- Optional carbide teeth
- Double-flight construction
- Hardened fishtail pilot
- 4' standard length
- Available in diameters from 6" to 48"
Benefits
- More aggressive cutting action
- Superior penetration in heavy clay and frozen ground
- Increased durability in abrasive conditions
- Greater productivity in difficult drilling applications
Tree Bits
The Professional Planting Solution
Specifically designed for landscapers, nurseries, municipalities, and tree farms.
Best Applications
- Tree planting
- Shrub installation
- Landscaping
- Nurseries
- Orchards
- Municipal planting projects
Features
- Two-diameter stepped flighting design
- Heavy-duty double flighting
- Fabricated boring head
- Hardened bolt-on gage teeth
- Hardened wisdom teeth
- Hardened pilot point
- Available in stepped sizes from 18"-9" to 48"-24"
Benefits
- Creates space for compost and soil amendments
- Helps eliminate root-damaging air pockets
- Promotes healthier root development
- Reduces labor during planting
- Produces a more professional planting hole
Rock Bits
Maximum Performance in Rock and Concrete
Engineered for the most demanding drilling environments where standard augers cannot perform.
Best Applications
- Solid rock
- Concrete
- Asphalt
- Frozen ground
- Cobble mixes
- Highly compacted soils
Features
- Carbide bullet teeth
- Carbide pilot
- ¾" thick boring head
- Reinforced heavy-duty flighting
- Hard-faced leading edges
- Heavy-duty center tube
- Continuous weld construction
- Available in diameters from 4" to 36"
Benefits
- Superior rock penetration
- Exceptional wear life
- Handles high-impact drilling conditions
- Built for maximum durability
* OUR STANDARD COLLAR IS 2” HEX WITH 2” ROUND AND 2 9/16” ROUND BEING AVAILABLE UPON REQUEST. ADAPTERS ARE ALSO AVAILABLE TO MOUNT OUR BITS TO OTHER DRIVE UNITS.
| Part Number | Model | Weight |
|---|---|---|
| Part NumberHEAVY DUTY BITS | Model- | Weight- |
| Part Number105105 | Model4" Diameter, Heavy Duty, W/2" Hex | Weight37 lbs |
| Part Number105110 | Model6" Diameter, Heavy Duty, W/2" Hex | Weight45 lbs |
| Part Number105115 | Model8" Diameter, Heavy Duty, W/2" Hex | Weight76 lbs |
| Part Number105120 | Model9" Diameter, Heavy Duty, W/2" Hex | Weight85 lbs |
| Part Number105125 | Model10" Diameter, Heavy Duty, W/2" Hex | Weight100 lbs |
| Part Number105130 | Model12" Diameter, Heavy Duty, W/2" Hex | Weight113 lbs |
| Part Number105135 | Model15" Diameter, Heavy Duty, W/2" Hex | Weight132 lbs |
| Part Number105140 | Model16" Diameter, Heavy Duty, W/2" Hex | Weight136 lbs |
| Part Number105145 | Model18" Diameter, Heavy Duty, W/2" Hex | Weight166 lbs |
| Part Number105147 | Model20" Diameter, Heavy Duty, W/2" Hex | Weight182 lbs |
| Part Number105150 | Model24" Diameter, Heavy Duty, W/2" Hex | Weight210 lbs |
| Part Number105155 | Model30" Diameter, Heavy Duty, W/2" Hex | Weight278 lbs |
| Part Number105160 | Model36" Diameter, Heavy Duty, W/2" Hex | Weight372 lbs |
| Part NumberHEAVY DUTY WITH CAST HEAD BITS | Model- | Weight- |
| Part Number105205 | Model6" Diameter, Heavy Duty, W/2" Hex | Weight45 lbs |
| Part Number105208 | Model8" Diameter, Cast Head, W/2" Hex | Weight90 lbs |
| Part Number105210 | Model9" Diameter, Cast Head, W/2" Hex | Weight98 lbs |
| Part Number105215 | Model10" Diameter, Cast Head, W/2" Hex | Weight113 lbs |
| Part Number105220 | Model12" Diameter, Cast Head, W/2" Hex | Weight128 lbs |
| Part Number105225 | Model15" Diameter, Cast Head, W/2" Hex | Weight139 lbs |
| Part Number105230 | Model16" Diameter, Cast Head, W/2" Hex | Weight167 lbs |
| Part Number105235 | Model18" Diameter, Cast Head, W/2" Hex | Weight204 lbs |
| Part Number105237 | Model20" Diameter, Cast Head, W/2" Hex | Weight231 lbs |
| Part Number105239 | Model24" Diameter, Cast Head, W/2" Hex | Weight272 lbs |
| Part Number105241 | Model30" Diameter, Cast Head, W/2" Hex | Weight312 lbs |
| Part Number105243 | Model36" Diameter, Cast Head, W/2" Hex | Weight430 lbs |
| Part Number105245 | Model42" Diameter, Cast Head, W/2" Hex | Weight460 lbs |
| Part Number105250 | Model48" Diameter, Cast Head, W/2" Hex | Weight550 lbs |
| Part NumberROCK BITS | Model- | Weight- |
| Part Number105305 | Model4" Diameter, Heavy Duty, W/2" Hex | Weight70 lbs |
| Part Number105310 | Model6" Diameter, Heavy Duty, W/2" Hex | Weight66 lbs |
| Part Number105320 | Model9" Diameter, Rock, W/2" Hex | Weight102 lbs |
| Part Number105330 | Model12" Diameter, Rock, W/2" Hex | Weight134 lbs |
| Part Number105340 | Model16" Diameter, Rock, W/2" Hex | Weight203 lbs |
| Part Number105345 | Model18" Diameter, Rock, W/2" Hex | Weight201 lbs |
| Part Number105350 | Model24" Diameter, Rock, W/2" Hex | Weight291 lbs |
| Part Number105355 | Model30" Diameter, Rock, W/2" Hex | Weight340 lbs |
| Part Number105360 | Model36" Diameter, Rock, W/2" Hex | Weight395 lbs |
| Part NumberTREE BITS | Model- | Weight- |
| Part Number105405 | Model18-9" Diameter, Tree, W/2" Hex | Weight120 lbs |
| Part Number105410 | Model24-12" Diameter, Tree, W/2" Hex | Weight198 lbs |
| Part Number105415 | Model30-15" Diameter, Tree, W/2" Hex | Weight264 lbs |
| Part Number105420 | Model36-18" Diameter, Tree, W/2" Hex | Weight302 lbs |
| Part Number105425 | Model42-18" Diameter, Tree, W/2" Hex | Weight432 lbs |
| Part Number105430 | Model48-24" Diameter, Tree, W/2" Hex | Weight449 lbs |