CJSC Dominanta Mining
т/ф.: +7 (391) 219-11-03,
info@d-mining.ru
Drilling rods made from alloy steel 28HGN3MA, drilling Rods made from steel 55C2
 



Drill–rods are made from alloy steel 28HGN3MA with isothermal hardening for removable and stopper drills.

NameStandard size
Hexagon hollow-bored rods with liner and tapered connection with bore bitS22, length 500-6000 mm, liner 22х108 мм., cone 7°
Hexagon hollow-bored rods with liner and tapered connection with bore bitS25, length 500-3500 mm, liner 25х108 мм., cone 7°
Rounded hollow-bored rods with liner and tapered connection with bore bit, ground face D29,9, length 500-3500 mm, liner 25х108 мм., cone 7°




Drilling rods are made from alloy steel 28HGN3MA with isothermal hardening for mechanized drilling, including powerful hydroperforators.

NameStandard size
Hexagonal hollow-bored rods with threaded connection with bore bit S32, length 500-4000 mm, R32/32, R32/38, R38/38, R32/T38
Rounded hollow-bored rods with threaded connection with bore bit, ground faceD32, length 500-4000 mm, R32/32, R32/38, R38/38, R32/T38




Drilling rods are made of steel 55C2 for removable and stopper drills with oil hardening

NameStandard size
Rounded hollow-bored rods with liner and tapered connection with bore bitS25, length 500-3500 mm, liner 25х108 мм., cone 7°




Screwed shaft coupling

NameStandard size
Screwed shaft coupling, steel 12HGNZABAccording to GOST 4543-71, R32/32, R32/38, R38/38, R32/T38




Note: drilling rods length, liner length and cones for bore bits can be made according to the Customer’s order.

CJSC Dominanta Mining
т/ф.: +7 (391) 219-11-03,
info@d-mining.ru
Яндекс.Метрика