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| Place of Origin | China |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 4 1/4″ (108mm) |
Double Key Heavy Duty Hollow Stem Auger 4 1/4″ (108mm)
The heavy duty, tapered tool joints are made from 4142 alloy steel and feature double-bolt connections.
All 4 1/4″ (108mm) Double Key Heavy Duty Hollow Stem Augers feature a continuous hardfaced flighting design, 3/8″ (9.5mm) thick on the outer edge with a 6″ pitch.
| Description | Lbs. | Kg. | |
| Auger Section | |||
| 1 | 4 1/4″ (108mm) DK HD Hollow Stem Auger 4 1/4″ (108mm) I.D. x 7 5/8″ (194mm) O.D. x 5′ (1524mm) | 103 | 48.9 |
| 2 | 4 1/4″ (108mm) DK HD Drive Cap with 1 5/8″ (41mm) Hex Pin | 25 | 11.3 |
| 2 | 4 1/4″ (108mm) DK HD Drive Cap with 2″ (51mm) Hex Pin | 28 | 12.7 |
| 3 | #4 Nut & Bolt for Rod-to-Cap Adapter | 0.9 | 0.4 |
| 4 | 4 1/8″ (105mm) Pilot Bit Connector (AW Box – 2 3/8″ API Reg. Box) | 8 | 3.6 |
| 4 | 4 1/8″ (105mm) Pilot Bit Connector (AWJ Box – 2 3/8″ API Reg. Box) | 11 | 5 |
| 4 | 4 1/8″ (105mm) Pilot Bit Connector (NW Box – 2 3/8″ API Reg. Box) | 11 | 5 |
| 4 | 4 1/8″ (105mm) Pilot Bit Connector (NWJ Box – 2 3/8″ API Reg. Box) | 12 | 5.4 |
| 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 | 4 1/4″ (108mm) DK HD Pin Tool Joint | 12 | 7.6 |
| 1B | 4 1/4″ (108mm) DK HD Box Tool Joint | 11 | 7.2 |
| 7 | ALB3 Auger Lock Bolt | 0.4 | 0.2 |
| 8 | ABN3 Auger Bushing Nut | 0.2 | 0.1 |
| 9 | ADK2 Auger Drive Key | 0.3 | 0.1 |
| Auger Cutterheads and Pilot Bits | |||
| 10 | 4 1/4″ (108mm) DK HD Blade Cutterhead – 8 3/4″ (222mm) O.D. | 16 | 7.3 |
| 10 | 4 1/4″ (108mm) DK HD Spade Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
| 10 | 4 1/4″ (108mm) DK HD Blade/Bullet Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
| 10 | 4 1/4″ (108mm) DK HD Spade/Bullet Cutterhead – 8 3/4″ (222mm) O.D. | 22 | 10 |
| 10 | 4 1/4″ (108mm) DK HD Bullet Cutterhead – 8 3/4″ (222mm) O.D. | 22 | 10 |
| 10 | 4 1/4″ (108mm) DK HD 5-T Cutterhead – 8 3/4″ (222mm) O.D. | 22 | 10 |
| 11 | 4 1/8″ (105mm) Apex Pilot Bit, 2 3/8″ API Reg. Pin | 5 | 2.3 |
| 11 | 4 1/8″ (105mm) Bullet Pilot Bit, 2 3/8″ API Reg. Pin | 8 | 4.1 |
For more information please contact:
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
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