HOLLOW STEM CUTTERHEADS

 

 

 

SUPER DUTY BLADE BULLET

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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

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BLADE

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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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