Drill bit NPI.6
(Equipment / Material)
Condition: New
Location or Storage Country: Russia
Service Engineering Support: Yes
Warranty: Yes
Price: Call for price
Description:
The drill bit is designed for drilling wells using roller drilling rigs of domestic and foreign manufacture with auger-pneumatic delivery of drilling fines when drilling soft (M) and soft abrasive (MZ) rocks, soft with medium-hard interlayers (MS), soft abrasive with medium-hard interlayers (MSZ) rocks with hardness factors of up to 7 according to the M.M. Protodyakonov scale. Drill bits are equipped with replaceable cutters, reinforced with tungsten-cobalt alloy plates. The use of NPI.6 drill bits makes it possible to increase the productivity of drilling operations by 1.5 times and reduce energy costs for drilling by 20-25%.
Overview:
Item No. | Bits designation | Diameter D | Thread d | Mass (approximate) | Maximum bottomhole pressure, t | ||
mm | inches | inches | According to GOST | ||||
1 | NPI-6-175 | 175 | 6 7/8 | 3 1/2 Reg | 3-88 | 22.5 | 8 |
2 | NPI-6-190.5 | 190.5 | 7 1/2 | 41/2 Reg | 3-117 | 27.2 | 9 |
3 | NPI-6-215.9 | 215.9 | 8 1/2 | 41/2 Reg | 3-117 | 29.7 | 10 |
4 | NPI-6-244.5 | 244.5 | 9 5/8 | 41/2 Reg | 3-121 | 11.5 | |
5 | NPI-6-250.8 | 250.8 | 9 7/8 | 61/2 Reg | 3-152 | 11.5 | |
LLC "Zvezda Plant"
Markets: РФ, СНГ
Locations: Yekaterinburg, Shchorsa St. 109-161
Main Products/Services: Charging machines, rotary drilling machines
Registration: 620146, Sverdlovsk region, Yekaterinburg, Moskovskaya st., bldg. 190, apt. 189