3.25 in. Hollow Stem Augers

The most widely available size for hollow stem auger drilling or auger for soil sampling is 3.25-inch (6.25-inch outside diameter, including the flights), which has been used to install 2-inch (2.378 outside diameter) monitoring wells; however, using this size allows limited access.

Augers tool string diagram

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Parts

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.625 Diameter, 2.875 Tube

MN: 600616

HSA Auger Connecting Pin

1-5/8 in. Hex, 77/66 Series Machines

MN: 600193

3.25 in. HSA Drive Cap

1-5/8 Hex Drive

MN: 600554

3.25 in. Hollow Stem Auger

60 in.

MN: 112774

3.25 in. HSA Cutter Head

7.5 in. OD, Spade / Bullet

MN: 600553

HHCS 3/4-10NC x 5.5 GR5 ZN

MN: 102003

3/4-10NC GR5 ZN

MN: 101227

3.25 HSA Pilot Bit Sub N4 x AWJ

7.00 in. S-S

MN: 238314

3.25 in. HSA Pilot Bit

Bullet N4 Pin

MN: 113083

3.25 in. HSA Pilot Bit

Drag N4 Pin

MN: 600635

60 in.

MN: 236534

24 in.

MN: 238501

12 in.

MN: 238499

3.25 in. HSA Plastic Plug

MN: 600740

3.25 in. Auger Puller

Legacy GH60, 6712DT, 7822DT, 6011DT

MN: 226279

3.25 HSA SIDE GRIP PULLER WLDT 31 SERIES

MN: 240731

3.25 in. HSA Hoisting Cap

MN: 235914

3.25 in. Auger Fork

MN: 600636

HSA Replacement Lock Bolt

MN: 600157

AWJ Spring Assisted Swivel Lift Cap

AWJ, Pin

MN: 231440

Adjustable Center Rod Clamp

1.25 in. Center Rod

MN: 205182

.625 Diameter, 2.875 Tube

MN: 600616

HSA Auger Connecting Pin

1-5/8 in. Hex, 77/66 Series Machines

MN: 600193

3.25 in. HSA Drive Cap

1-5/8 Hex Drive

MN: 600554

3.25 in. Hollow Stem Auger

60 in.

MN: 112774

3.25 in. HSA Cutter Head

7.5 in. OD, Spade / Bullet

MN: 600553

HHCS 3/4-10NC x 5.5 GR5 ZN

MN: 102003

3/4-10NC GR5 ZN

MN: 101227

3.25 HSA Pilot Bit Sub N4 x AWJ

7.00 in. S-S

MN: 238314

3.25 in. HSA Pilot Bit

Bullet N4 Pin

MN: 113083

3.25 in. HSA Pilot Bit

Drag N4 Pin

MN: 600635

60 in.

MN: 236534

24 in.

MN: 238501

12 in.

MN: 238499

3.25 in. HSA Plastic Plug

MN: 600740

3.25 in. Auger Puller

Legacy GH60, 6712DT, 7822DT, 6011DT

MN: 226279

3.25 HSA SIDE GRIP PULLER WLDT 31 SERIES

MN: 240731

3.25 in. HSA Hoisting Cap

MN: 235914

3.25 in. Auger Fork

MN: 600636

HSA Replacement Lock Bolt

MN: 600157

AWJ Spring Assisted Swivel Lift Cap

AWJ, Pin

MN: 231440

Adjustable Center Rod Clamp

1.25 in. Center Rod

MN: 205182