Drive Heads
All Drive Heads are threaded with a pin thread on the bottom to take the casing being driven and a box thread on the top to accommodate a guide and pull piece. Reverse drive action is used to pull the pipe. Internal box threads are used to accommodate drive samplers or chopping bits.
  • All Drive heads are supplied with AW   box thread unless otherwise noted.
  • Other size internal rod box threads available.
  • Three inch guide pipe available.

 

 

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Drive Heads

Casing Size Part Number Guide Pipe Size Weight
inches mm. lbs. kg.
AW 566110201-137 2-1/2 63.5 19.3 8.75
BW 566110201-108 2-1/2 63.5 19.5 8.85
NW 566110201-109 2-1/2 63.5 21.0 9.5
HW 566110201-100 2-1/2 63.5 35.0 15.88
AX 566110201-71 2-1/2 63.5 19.5 8.85
BX 566110201-73 2-1/2 63.5 19.8 8.98
NX 566110201-75 2-1/2 63.5 21.0 9.55

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Pipe Drive Rings

Drive rings are designed to slip over the drive pipe and rest against the pipe coupling. The ring protects the coupling and drive hammer when bumping out or driving the pipe.

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Drive Rings
Pipe Size Part Number Weight
inches mm. lbs. kg.
2-1/2 63.5 566110535 9.0 4.1
4 101.6 566110531 12.0 5.4
 
 
Pull Piece
Assembly is made from double extra-heavy drive pipe threaded at both ends and includes a drive pipe coupling. It screws directly into the top of the drive head (not included). The drive pipe coupling is used when bumping back casing or samplers. The pipe stem serves as a guide for the drive weight.

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

 

 
Guide & Pull Piece Assembly*
(Schedule 120-ASTM A-120 Butt-Welded Black Steel Pipe)
Pipe Size Length Assembly Part No. Weight
inches mm. inches cm. lbs. kg.
2-1/2 63.5 36 91.4 56621031-42 45.0 20.4
2-1/2 63.5 42 106.7 56621031-43 53.0 24.0
2-1/2 63.5 48 121.9 56621031-45 57.0 25.9

  * Drive head not included.