Extension Bar for Diamond Core Drill Bit, 300mm/500mm/1000mm

The extension bar is used for deep holes drilling operations. There are various kinds of bars with different lengths. (Accessories for diamond core bit )

LENGTH ：

300mm, 500mm, 1000mm, or others

THREAD ：

1-1/4"-7 (F) to 1-1/4"-7 (M)

W 1-1/4" (F) to W 1-1/4" (M)

G 1/2" (M) to G 1/2" (F)

5/8"-11 (M) to 5/8"-11 (F)

* Other specification upon request