ROSCHEN GROUP
                                                                                                           
Verified Supplier
105 Years
Since 1921
Menu

Steel Casing Pipe Diamond Drill Tools NQ HQ PQ Wireline Outer Tube 3M Length Ø114.3×6.35mm

Price Negotiable
Price: N/A
MOQ: 10 meters
Delivery Time: Negotiable
Brand: ROSCHEN
Product Description
Professional Diamond Drill Tools & Steel Casing Pipes
Specialized manufacturer of comprehensive diamond drill tool systems for soft, medium, and hard rock formations across international standard sizes including NQ, HQ, PQ, and wireline drill outer tubes.
Product Range
Complete diamond drilling equipment solutions including:
  • Diamond core barrel assemblies
  • Impregnated diamond core bits and surface-set diamond bits
  • Reaming shells and casing shoe bits
  • PDC bits and PCD bits
  • Core lifters, core lifter cases, and diamond sub-adapters
  • Drill rods, hoist plugs, taps, and overshot tools
Technical Specifications
Key Manufacturing Features
  • Alloyed material split outer tube construction
  • Thru-wall heat treated tube body for enhanced durability
Available Size Standards
"Q" Series: BQ, NQ, HQ, PQ
"WJ" Design: AWJ, BWJ, NWJ, KWJ, HWJ
"W" Design: RW, EW, AW, BW, NW, HW
Metric Series: 33mm, 42mm, 50mm
Extended Casing Tube Sizes
"W" Design: RW, EW, AW, BW, NW, HW, PW, SW, UW, ZW/HWT, PWT
Metric Series: 46mm, 56mm, 66mm, 76mm, 86mm, 101mm, 116mm, 131mm, 146mm
"X" Design: RX, EX, AX, BX, NX, HX, PX, SX, UX, ZX
Detailed Specifications Table
Standard Specification Body Size Length (M) Thickness of The End Bit Standard
B BQA BQB Ø55.6×4.8 3 / BQ
BRQ BRQ Ø55.6×4.8 3 / BQ
BQT BQT Ø56.5×4.75/6 3 Internal Thicken BQ
BQS BQS Ø54×4.5/6.25 3 Inside & Outside Thicken BQS
N NQA NQB Ø71×5.5(Ø70.1×5.05) 3 / NQ
NRQ NRQ Ø71×5.5(Ø70.1×5.05) 3 / NQ
NQT NQT Ø72×4.8/6 3 Internal Thicken NQ+1
NQS NQS Ø73×5/7.5 3 Internal Thicken NQ+1.5
H HQR HQB Ø89×5.6 3 / HQ
HRQ HRQ Ø89×5.6 3 / HQ
HQT HQT Ø91×5.8/6.75 3 Internal Thicken HQ+1
HQS HQS Ø91×5.8/7.5 3 Inside & Outside Thicken HQ+1
P PQA PQB Ø114.3×6.35 3 / PQ
PRQ PRQ Ø114.3×6.35 3 / PQ
Additional Products Available
  • Drill rods: BQ, NQ, HQ, PQ, NT, HT, and thin wall variants BTW, NTW
  • Core barrels: Complete BQ, NQ, HQ, PQ, BTW, NTW head assemblies and spare parts
  • Diamond core bits, reaming shells & shoe bits (synthetic and surface-set, PDC) in AQ, BQ, NQ, HQ, PQ, T2, T6 standards
  • Support tools: Hoisting plugs, water swivels, overshots, outer & inner tube wrenches, foot clamps

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ROSCHEN GROUP
Location 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person Bill, George, Michael

Request A Quote

Please check your email address.
Your message must be at least 20 characters.