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| Place of Origin | China |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 12 1/4" |
Triple Key Heavy Duty Hollow Stem Auger 12 1/4″ (311mm)
The heavy-duty, tapered tool joints are made from 4142 alloy steel and feature double-bolt connections.
All 12 1/4″ (311mm) Triple Key Heavy Duty Hollow Stem Augers feature a continuous hard faced flighting design, 3/8″ (9.5mm) thick on the outer edge with a 7 1/2″ (191mm) pitch.
| Description | Lbs. | Kg. | |
| Auger Section | |||
| 1 | 12 1/4″ (311mm) TK HD Hollow Stem Auger 12 1/4″ (311mm) I.D. x 17″ (432mm) O.D. x 5′ (1524mm) | 365 | 83 |
| 2 | 12 1/4″ (311mm) TK HD Drive Cap with 3 1/4″ (83mm) Auger Connector | 90 | 40.8 |
| 2 | 12 1/4″ (311mm) TK HD Drive Cap with 4 1/4″ (108mm) Auger Connector | 91 | 41.3 |
| 3 | #4 Nut & Bolt for Rod-to-Cap Adapter | 0.9 | 0.4 |
| 4 | 12 1/8″ (308mm) Pilot Bit Connector (NW Box – 3 1/2″ API Reg. Box) | 46 | 20.9 |
| 4 | 12 1/8″ (308mm) Pilot Bit Connector (NWJ Box – 3 1/2″ API Reg. Box) | 46 | 20.9 |
| 5 | Rod-to-Cap Adapter – NW Pin | 7 | 3.2 |
| 5 | Rod-to-Cap Adapter – NWJ Pin | 6 | 2.7 |
| 6 | NW Drill Rod – 5′ (1524mm) | 31 | 14.1 |
| 6 | NWJ Drill Rod – 5′ (1524mm) | 35 | 15.9 |
| Auger Repair Parts | |||
| 1A | 12 1/4″ (311mm) TK HD Pin Tool Joint | 13 | 5.9 |
| 1B | 12 1/4″ (311mm) TK HD Box Tool Joint | 12 | 5.4 |
| 8 | ABN3-M Auger Bushing Nut | 0.2 | 0.1 |
| 9 | ADK3 Auger Drive Key | 0.3 | 0.1 |
| 7 | ALB4 Auger Lock Bolt | 0.4 | 0.2 |
| Auger Cutterheads and Pilot Bits | |||
| 10 | 12 1/4″ (311mm) TK HD Blade Cutterhead – 17 3/4″ (451mm) O.D. | 80 | 36.3 |
| 10 | 12 1/4″ (311mm) TK HD Spade Cutterhead – 17 3/4″ (451mm) O.D. | 74 | 33.6 |
| 10 | 12 1/4″ (311mm) TK HD Blade/Bullet Cutterhead – 17 3/4″ (451mm) O.D. | 69 | 31.3 |
| 10 | 12 1/4″ (311mm) TK HD Spade/Bullet Cutterhead – 17 3/4″ (451mm) O.D. | 78 | 35.4 |
| 10 | 12 1/4″ (311mm) TK HD Bullet Cutterhead – 17 3/4″ (451mm) O.D. | 69 | 31.3 |
| 11 | 12 1/8″ (308mm) Apex Pilot Bit, 3 1/2″ API Reg. Pin | 48 | 21.8 |
| 11 | 12 1/8″ (308mm) Bullet Pilot Bit, 3 1/2″ API Reg. Pin | 61 | 27.7 |
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
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