China OEM Carbide Button - Overburden Drill Bit / Eccentric Drill Bit – Kat

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Overburden Drilling Tools ODEX systems for DTH hammers that are specially designed to drill and case simultaneously through overburden. These durable overburden drilling tools easily pass through large boulders for pulling lightweight wherein inexpensive casings are incorporated behind them. These overburden drilling tools are easy to remove from the hole/ depth and are provided to our clients in the following technical specifications: Size: ODEX90, ODEX115, ODEX127, ODEX140, ODEX152, ODEX165...


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China OEM Carbide Button - Overburden Drill Bit / Eccentric Drill Bit – Kat Detail:

Overburden Drilling Tools

ODEX systems for DTH hammers that are specially designed to drill and case simultaneously through overburden. These durable overburden drilling tools easily pass through large boulders for pulling lightweight wherein inexpensive casings are incorporated behind them. These overburden drilling tools are easy to remove from the hole/ depth and are provided to our clients in the following technical specifications:
Size: ODEX90, ODEX115, ODEX127, ODEX140, ODEX152, ODEX165, ODEX190
1. Applied to the drilling where the rock formation is overburden and need casing tube to support.
2. flexible to open and close.
3. Application Range: It is suitable for drilling water wells, geothermal wells, and short miscopies medium mini-type grouting hole of building, dam and harbors project.
4. Design Principles: Make the casing follow easy and the equipment and operation simple
5. Outstanding Advantages: Simple structure, simple operation, reliable quality, retrievable drilling tools, long service life.
6. Inner package with cartons, outer package with wooden cases
Hammer Pilotdiameter Reameddiameter Casing tubeoutside  diameter Casing tube  wall thickness Casing tube wall
thicknessw/o casing shoe
ODEX 90 3″ 90 (3-9/16) 123(4-13/16) 114.3 (4-1/2)  6.3 (1/4)  10 (3/8)
ODEX 115 3″-4″ 115 (4-1/2) 152 (6) 139.7 (5-1/2) 6.3 (1/4) 10 (3/8)
ODEX 127 4″ 127 (5) 165 (6-1/2) 152.4 (6) 6.3 (1/4) 10 (3/8)
ODEX 140 4″-5″ 140 (5-1/2) 181 (7-1/8) 168.3 (6-5/8) 6.3 (1/4) 12.7 (1/2)
ODEX 152 5″-6″ 152 (6) 192 (7-9/16) 177.8 (7) 6.3 (1/4) 10 (3/8)
ODEX 165 5″-6″ 165 (6-1/2) 209 (8-7/32) 193.7 (7-5/8) 6.3 (1/4) 12.7 (1/2)
ODEX 190 6″-8″ 190 (7-1/2) 235 (9-1/4) 219.1 (8-5/8) 6.3 (1/4) 12.7 (1/2)

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China OEM Carbide Button -
 Overburden Drill Bit / Eccentric Drill Bit – Kat detail pictures


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