Product Name:
4 Inch Extension Rod for Core Bits with 5/8 Inch-11 Thread

Specification:
Working length 4 Inch, Thread 5/8"-11 thread to 5/8"-11 female thread

Application:
Work status for connecting with diamond core bits.
Could be used for drill bits with 5/8"-11 thread.

Feature： 1. Good quality steel, long life.
2. The shaft is hollow to allow water flow during wet applications.

Working length 4 Inch, 5/8"-11 thread to 5/8"-11 female thread
Work status for connecting with diamond core bits
Could be used for drill bits with 5/8"-11 thread
The shaft is hollow to allow water flow during wet applications
Good quality steel, long life.