How It Works

Operation of the Bullet Mole is as simple as:
  1. Prepare trench
  2. Drive the tool
  3. Install the pipe

side-cutThe unique thread-and-nesting, turned-radius design allows for direct transfer of impact forces from steel to steel, without engaging the threads. As a result the threads will never bind up or tighten, thus eliminating the need for wrenches during assembly and disassembly.






Bullet Mole Ground Piercing Process
Bullet Mole
Ground Piercing Process diagram 1 Bullet Mole
Ground Piercing Process diagram 2 Bullet Mole
Ground Piercing Process diagram 3
Any items encountered by the tip are broken apart or pierced. The fragments are pushed outwards into the soil... ...leaving only a clear, perfect diameter hole, every time, in any kind of soil condition.
The Bullet Mole® is very simple to use, therefore, its use is not limited to construction workers or skilled professionals. Instead, it can be used by anyone, ranging from inexperienced homeowners to professionals with varying degrees of skill.

Considerations for Tool Selection
One major factor in all Bullet Mole® installations is the amount of space available for the entrance trench. The entrance trench must be at least 2' to 3' longer than the fully assembled tool. If space for the entrance trench is limited to 6 ft. and you have adequate clearance for driving the tool, you will be using a tool set with 4 ft. shafts. If the space for the entrance trench is 8 ft. with adequate clearance for driving the tool, than tool sets with 6 ft. shafts can be utilized. The distance the pipe must span will determine the need for extensions of any particular length. In addition to the application type and length of span, tool selection is also based on the diameter of the pipe being installed.

NEED HELP?   Call us at 1-888-650-5554 if you have any questions.

The following table helps determine which tool and method to use for standard pipe sizes.

Pipe Tools to use Method
Size (O.D.) Points Caps Quick Shafts Ext. Shafts #1 #2
1" 1+" 2" 1" 2" All All
3/4 in (1 1/2") X NR NR X NR X X - X
any length
1 in (1 3/4") X X
Method
2
NR X NR X X X
<6 ft
X
any length
1 1/2 in (2 1/4") X - NR X NR NR X X
any length
NR
2 in (2 3/4") - - X - X X X X
any length
NR
Method #1 = Installs pipe at the same time as the tool is driven.

Method #2 = Pull back pipe through after the hole is made.

NR = Not Recommended (a better solution exists)

Field experience has shown that the Method #2 is the most efficient installation for long runs of 3/4" & 1" pipe in clean soil conditions. In difficult soil, however, to save time and money we recommend increasing the pipe size to 1-1/4", install using Method #1, and add reducers on each end.

For Method #1 installations requiring extension shafts, we suggest positioning the Quick Shaft as the final shaft so as to provide support on the leading edge of the first pipe length available with shafts extension.