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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 3 1/4″ (83mm) |
Double Key Heavy Duty Hollow Stem Auger 3 1/4″ (83mm)
All 3 1/4inch (83mm) Double Key Hollow Stem Augers feature a continuous hard-faced flight design, 3/8inch (9.5mm) thick on the outer edge with a 6inch pitch.
The tool joints are made from 4142 alloy steel and feature double-bolt connections.
| Description | Lbs. | Kg. | |
| Auger Section | |||
| 1 | 3 1/4″ (83mm) DK HD Hollow Stem Auger 3 1/4″ (83mm) I.D. x 6 5/8″ (168mm) O.D. x 5′ (1524mm) | 81 | 36.7 |
| 2 | 3 1/4″ (83mm) DK HD Drive Cap with 1 5/8″ (41mm) Hex Pin | 22 | 10 |
| 2 | 3 1/4″ (83mm) DK HD Drive Cap with 2″ (51mm) Hex Pin | 23 | 10.4 |
| 3 | #3 Nut & Bolt for Rod-to-Cap Adapter | 0.9 | 0.4 |
| 4 | 3 1/8″ (79mm) Pilot Bit Connector (AW Box – 4 Thd N-Rod Box) | 11 | 5 |
| 4 | 3 1/8″ (79mm) Pilot Bit Connector (AWJ Box – 4 Thd N-Rod Box) | 12 | 5.4 |
| 4 | 3 1/8″ (79mm) Pilot Bit Connector (NW Box – 4 Thd N-Rod Box) | 8 | 3.6 |
| 4 | 3 1/8″ (79mm) Pilot Bit Connector (NWJ Box – 4 Thd N-Rod Box) | 11 | 5 |
| 5 | Rod-to-Cap Adapter – AW Pin | 3 | 1.4 |
| 5 | Rod-to-Cap Adapter – AWJ Pin | 3 | 1.4 |
| 5 | Rod-to-Cap Adapter – NW Pin | 7 | 3.2 |
| 5 | Rod-to-Cap Adapter – NWJ Pin | 6 | 2.7 |
| 6 | AW Drill Rod – 5′ (1524mm) | 21 | 9.5 |
| 6 | AWJ Drill Rod – 5′ (1524mm) | 23 | 10.4 |
| 6 | NW Drill Rod – 5′ (1524mm) | 31 | 14.1 |
| 6 | NWJ Drill Rod – 5′ (1524mm) | 35 | 15.9 |
| Auger Repair Parts | |||
| 1A | 3 1/4″ (83mm) DK HD Pin Tool Joint | 7 | 3.2 |
| 1B | 3 1/4″ (83mm) DK HD Box Tool Joint | 6 | 2.7 |
| 7 | ALB3 Auger Lock Bolt | 0.3 | 0.1 |
| 8 | ABN3 Auger Bushing Nut | 0.3 | 0.1 |
| 9 | ADK2 Auger Drive Key | 0.3 | 0.1 |
| Auger Cutterheads and Pilot Bits | |||
| 10 | 3 1/4″ (83mm) DK Blade Cutterhead – 7 1/2″ (190mm) O.D. | 11 | 5 |
| 10 | 3 1/4″ (83mm) DK Spade Cutterhead – 7 1/2″ (190mm) O.D. | 12 | 5.5 |
| 10 | 3 1/4″ (83mm) DK Blade/Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 14 | 6.4 |
| 10 | 3 1/4″ (83mm) DK Spade/Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 9 | 4.1 |
| 10 | 3 1/4″ (83mm) DK Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 10 | 4.5 |
| 10 | 3 1/4″ (83mm) DK 5-T Cutterhead – 7 1/2″ (190mm) O.D. | 10 | 4.5 |
| 11 | 3 1/8″ (79mm) Apex Pilot Bit, 4-Thrd N-Rod Pin | 2.5 | 1.3 |
| 11 | 3 1/8″ (79mm) Bullet Pilot Bit, 4-Thrd N-Rod Pin | 5 | 2.3 |
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com
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