

Hollow stem augers (hsa's) are recognized as effective drillilng tools for advancing the borehole in a variety of formations. HSA's are most commonly used in the geotechnical, environmental and construction drilling markets.
| HOLLOW STEM AUGERS | |
| ITEM | DESCRIPTION |
| 1 | DRIVE CAP: OPTIONS 1 1/8”, 1 5/8, 2” HEX |
| 2 | U-PIN |
| 3 | ROD BOLT |
| 4 | HEX NUT |
| 5 | BUSHING: OPTIONS W/OUT FLANGE OR W/FLANGE |
| 6 | AUGER BOLT |
| 7 | ADAPTER: OPTIONS AW, AWJ, NW, NWJ ROD TO DRIVE CAP |
| 8 | COUPLING PIN, HEAT TREATED (REPAIR ONLY) |
| 9 | AUGER SECTION: OPTIONS 3’0, 5.0, 5.0 HD |
| 10 | CENTER ROD: OPTIONS 5’0 AW, 5.0 AWJ, 5.0 NW, 5.0 NWJ |
| 11 | BOX COUPLING (REPAIR ONLY) |
| 12 | PLUG: OPTIONS 1-1/8. HEX TO AW, AWJ, NW, OR NWJ BOX |
| 13 | PLUG BOLT |
| 14 | BIT:OPTION 2-PRONG 1-1/8. (29mm) HEX OR 3-WING, 1-1/8. (29mm) HEX |
| 15 | SOCKET |
| 16 | HANDLE |

Call now to speak to a Hole Products representative.
1.888.465.1569