HOLLOW STEM CUTTERHEADS
SUPER DUTY BLADE BULLET

Ideal for consolidated forma-
tions, cemented gravel and
concrete. Hard surfacing
increases cutterhead life
in hard, abrasive formations.
Designed to accept a wooden
plug or brass guide for use
with the overshot wireline system.
Suited for drilling in
unconsolidated
formations such as sandy
loam and clay. Designed to
accept a wooden plug or
brass guide for use with the
overshot wireline system.
CUTTERHEAD
|
Description |
OD |
Lb/Kg |
Part No. |
|
3 1/4" (83mm) |
7 3/4" (197mm) |
* |
56561032-01 |
COMPONENT PARTS
|
Description |
Lb / Kg |
Part No. |
|
Cutterblade w/ Carbide |
* |
565004303 |
|
Blade Bolt |
* |
565001293 |
|
Bullet Bit w/ Retainer |
* |
565150194-03 |
|
Bullet Bit Holder |
* |
565216044-01 |
|
3 1/4" (83mm) Body w/ Flight Segment & Bit Holders |
* |
565150599 |
CUTTERHEAD
|
Description |
OD |
Lb/Kg |
Part No. |
|
3 1/4" (83mm) |
7 1/4" (184mm) |
* |
56561037-01 |
COMPONENT PARTS
|
Description |
Lb / Kg |
Part No. |
|
Bullet Bit w/ Retainer |
* |
565150194-03 |
|
Spade Bit w/ Retainer |
* |
565150194-04 |
|
Bullet Bit Holder |
* |
565216044-01 |
|
Spade Bit Holder |
* |
565216044-02 |
|
Nail |
* |
565150678 |
|
Flight Segment |
* |
565150593-01 |
|
3 1/4" (83mm) Body |
* |
565150652-10 |
Combines chipping action of bullet bits with the cleaning action of spade blades. Ideal for shale and glacial tills.
BULLET SPADE

BLADE

CUTTERHEAD
|
Description |
OD |
Lb/Kg |
Part No. |
|
3 1/4" (83mm) |
7 3/4" (197mm) |
* |
56561031-01 |
COMPONENT PARTS
|
Description |
Lb / Kg |
Part No. |
|
Cutterblade w/ Carbide |
* |
565004303 |
|
Blade Bolt |
* |
565001293 |
|
Flight Segment |
* |
565150593 |
|
3 1/4" (83mm) Body w/ Flight Segment |
* |
565150289 |
CUTTERHEAD
|
Description |
OD |
Lb / Kg |
Part No. |
|
3 1/4" (83mm) |
71/4" (184mm) |
* |
56561001-10 |
COMPONENT PARTS
|
Description |
Lb / Kg |
Part No. |
|
Bit |
* |
565150233 |
|
3 1/4" (83mm) Body |
* |
565150289 |
CUTTERHEADS – 3-1⁄4″ (83mm) 2-KEY STANDARD DUTY AUGER AUGER
A tough multi-purpose
cutterhead for full range
drilling. Bits are designed
for a uniform wear pattern
and longer service life.
Recommended for
abrasive conditions and
difficult hard formations.
BULLDOG

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DRILLERS SERVICE, INC. HICKORY, NC USA 800-334-2308, EXT. 230
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