What is the working principle of diamond core bits? The drill bit that makes the cutting edge is called a diamond core bit. The drill bit is an integrated drill bit. The entire drill bit has no moving parts. The structure is relatively simple, with high strength, high wear resistance and impact resi
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How to classify core barrels? A section of pipe connected to the upper part of the drill bit to accommodate and protect the core during core barrel. This article will introduce the classification of core barrel. This article contains the following:n What is core barrel?n Single layer core barreln do
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3 1/4″ (83mm)
ROSCHEN
ROS-AD-3 1/4-T
Product Description
Triple Key Hollow Stem Auger 3 1/4inch
All 3 1/4″ (83mm) Triple Key Hollow Stem Augers feature a continuous hardfaced flighting design, 3/8″ (9.5mm) thick on the outer edge with a 5″ (117mm) 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) TK Hollow Stem Auger 3 1/4″ (83mm) I.D. x 6 5/8″ (169mm) O.D. x 5′ (1525mm) | 81 | 36.7 |
2 | 3 1/4″ (83mm) TK Drive Cap with 1 5/8″ (41mm) Hex Pin | 21 | 9.5 |
2 | 3 1/4″ (83mm) TK Drive Cap with 2″ (51mm) Hex Pin | 25 | 11.3 |
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) TK Pin Tool Joint | 6 | 2.7 |
1B | 3 1/4″ (83mm) TK Box Tool Joint | 5 | 2.3 |
7 | ALB1 Auger Lock Bolt | 0.3 | 0.1 |
8 | ABN1 Auger Bushing Nut | 0.2 | 0.1 |
9 | ADK1 Auger Drive Key | 0.3 | 0.1 |
Auger Cutterheads and Pilot Bits | |||
10 | 3 1/4″ (83mm) TK Blade Cutterhead – 7 1/2″ (190mm) O.D. | 11 | 5 |
10 | 3 1/4″ (83mm) TK Spade Cutterhead – 7 1/2″ (190mm) O.D. | 12 | 5.5 |
10 | 3 1/4″ (83mm) TK Blade/Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 14 | 6.4 |
10 | 3 1/4″ (83mm) TK Spade/Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 12 | 5.5 |
10 | 3 1/4″ (83mm) TK Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 12 | 5.5 |
10 | 3 1/4″ (83mm) TK 5-T Cutterhead – 7 1/2″ (190mm) O.D. | – | – |
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:
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