Sai Deepa Rock Drill

Sai Deepa Rock Drills (pvt) ltd over the years developed Extension equipment of different sizes SDRD offers a variety of tools which are used in the surface mining .The items offered by SDRD includes shank adapters, coupling sleeve, extension rod &threaded cross bit or button bit. Our extension drilling system offers several rod, coupling &shank adapter designs and specifications as required by drilling industry.

Type of Threading

Length
(In mm)

1

R22 7/8”

800-3200 mm

Male/male

hexagonal

2

R32 1¼”

900-3660 mm

Male/male

Round

3

R38 1/2”

1220-3660 mm

Male/male

Round