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Hollow stem soil sample auger is turned to the desired depth with a pilot bit blocking the off the auger ID. The pilot bit is pulled and a split barrel sampler (split spoon) is lowered. The drop hammer is then placed on top of the rod string and the number of blows to advance the sampler is counted. The pilot bit can then be placed back in the soil sample auger and the auger string advanced to the next testing depth.

Tooling Links

Tool String Diagram

SPT HSA tool string diagram

Split tube soil sampling system manufactured under U.S. Patent 9,551,188. It is best practice to consult applicable ASTM standards when performing geotechnical investigations.

Parts

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3.25 in. HSA Cutter Head

7.5 in. OD, Spade / Bullet

MN: 600553

3.25 in. HSA Drive Cap

1-5/8 Hex Drive

MN: 600554

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

3.25 in. Auger Puller

Legacy GH60, 6712DT, 7822DT, 6011DT

MN: 226279

4.25 in. HSA Cutter Head

8.75 in. OD, Spade / Bullet

MN: 600155

4.25 in. HSA Drive Cap

1-5/8 Hex Drive

MN: 239002

4.25 in. HSA Pilot Bit

Bullet 3.38 Reg Pin

MN: 600672

4.25 in. HSA Pilot Bit

Apex 3.38 Reg Pin

MN: 600156

Nut Hex

3/4-10NC GR5 ZN

MN: 101227

4.25 in. Auger Puller

Legacy GH60, 6712DT, 7822DT, 6011DT

MN: 202187

AWJ Drill Rod

60 in.

MN: 236534

AWJ Drill Rod

24 in.

MN: 238501

AWJ Drill Rod

12 in.

MN: 238499

ADH Drive Cap

AWJ, Pin Down, Threaded

MN: 222308

Drive Pin

.625 Diameter, 2.875 Tube

MN: 600616

3.25 in. HSA Cutter Head

7.5 in. OD, Spade / Bullet

MN: 600553

3.25 in. HSA Drive Cap

1-5/8 Hex Drive

MN: 600554

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

3.25 in. Auger Puller

Legacy GH60, 6712DT, 7822DT, 6011DT

MN: 226279

4.25 in. HSA Cutter Head

8.75 in. OD, Spade / Bullet

MN: 600155

4.25 in. HSA Drive Cap

1-5/8 Hex Drive

MN: 239002

4.25 in. HSA Pilot Bit

Bullet 3.38 Reg Pin

MN: 600672

4.25 in. HSA Pilot Bit

Apex 3.38 Reg Pin

MN: 600156

Nut Hex

3/4-10NC GR5 ZN

MN: 101227

4.25 in. Auger Puller

Legacy GH60, 6712DT, 7822DT, 6011DT

MN: 202187

AWJ Drill Rod

60 in.

MN: 236534

AWJ Drill Rod

24 in.

MN: 238501

AWJ Drill Rod

12 in.

MN: 238499

ADH Drive Cap

AWJ, Pin Down, Threaded

MN: 222308

Drive Pin

.625 Diameter, 2.875 Tube

MN: 600616