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Back end diamond core bit

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Specification

 
Outer Diameter Effective Drilling Depth
1″ 295mm
1-1/4″ 295mm
1-1/2″ 285mm
2″ 285mm
2-1/2″ 280mm
3″ 280mm
3-1/2″ 280mm
4″ 250mm
5″ 250mm
6″ 250mm
7″ 250mm
8″ 250mm
9″ 250mm
10″ 250mm
11″ 250mm
12″ 250mm
   
Outer Diameter Effective Drilling Depth
1″ 34mm
1-1/4″ 34mm
1-1/2″ 35mm
2″ 35mm
2-1/2″ 40mm
3″ 40mm
3-1/2″ 40mm
4″ 70mm
5″ 70mm
6″ 70mm
7″ 70mm
8″ 70mm
9″ 70mm
10″ 70mm
11″ 70mm
12″ 70mm
   
Outer Diameter Effective Drilling Depth Spindle Thread
1″ 0mm A-Rod or UNC 1 – 1/4″
1-1/4″ 0mm A-Rod or UNC 1 – 1/4″
1-1/2″ 0mm A-Rod or UNC 1 – 1/4″
2″ 42mm A-Rod or UNC 1 – 1/4″
2-1/2″ 42mm A-Rod or UNC 1 – 1/4″
3″ 42mm A-Rod or UNC 1 – 1/4″
3-1/2″ 42mm A-Rod or UNC 1 – 1/4″
4″ 42mm A-Rod or UNC 1 – 1/4″
5″ 42mm A-Rod or UNC 1 – 1/4″
6″ 42mm A-Rod or UNC 1 – 1/4″
7″ 42mm A-Rod or UNC 1 – 1/4″
8″ 42mm A-Rod or UNC 1 – 1/4″
9″ 42mm A-Rod or UNC 1 – 1/4″
10″ 42mm A-Rod or UNC 1 – 1/4″
11″ 42mm A-Rod or UNC 1 – 1/4″
12″ 42mm A-Rod or UNC 1 – 1/4″
 

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