NUT,SLEEVE,4.75OTK

This NUT,SLEEVE,4.75OTK is precision-machined with high-quality raw materials for superior strength and structural stability.

Featuring strict dimensional accuracy and excellent wear resistance, it delivers secure fitting, reliable locking performance and long service life in harsh working environments.

Designed for professional industrial assembly and heavy-duty applications, this sleeve nut ensures easy installation, tight connection and outstanding operational safety.

Manufacturer of high-precision parts for oil and gas drilling, MWD/LWD and RSS, as well as for aviation, automotive, robotics and electronics.

10+ years of experience, in-house R&D team, full cycle: from design and technology optimization to product delivery.

Certification: ISO9001 and implemented environmental and labor protection systems.

Equipment and competencies:

High-precision mechanical processing, assembly of electronics and complex units, non-standard materials and coatings.

Special processes: galvanizing (Cu, Cr), anodizing, nitrocarburizing/QPQ, HVOF and plasma spraying, surfacing (laser/PTA), electron beam welding, work hardening (shot peening), thread rolling (including API), deep drilling 5–20mm to 5m.

Materials Science Examples: Cobalt-Hardened and Martensitic Stainless Steels, Yield Strength/Strength Increases vs. Inconel718 .

For Drilling:

MWD/LWD and RSS Components: Pressure Housings, 6.75", 4.75" Outer Cylinders, WPR Antenna Shields, Antenna Brackets, Conductors, Port Covers, Connectors, Nipples (Including Non-Magnetic P550/P650), Flow Sleeves, Stabilizers, Flexible Subs.

Pulser Assemblies: Rotor/Stator, Shafts, Valve Seats, Couplings, Bushings, PEEK Elements, Bearings; Pulser Assemblies and Consumables.

Electronics: PWA boards for pulsers (G/G4/G5), DMU/IMU, gamma controllers (low-power gen2), ±14V sources for DMU, ​​battery keys, magnetometer interfaces, digital WPR transmitters/receivers for 3.5/3.75/4.75/6.75/8.00".

Sensors and modules: MEMS-DMU with Inc ±0.1°, Azi ±1.0°, Toolface ±1.0°, Ø48mm, up to 150°C and 25,000psi; gamma probe; resistivity drill collar set.

Pressure: serial «pressure barrels» for 20,000/25,000/30,000psi.

Compatibility: declared 100% functional equivalence of mechanics/electronics of MWD/LWD systems of the APS type (replaceability of original units).

Quality and control:

Multi-stage control confirmed by ISO9001; emphasis on traceability, testing facilities and input/output control (detailed in the Quality Control and Equipment section).

Who is it relevant for:

Service companies and drilling contractors who need consumables and assemblies for MWD/LWD/RSS.

OEMs and integrators looking for an alternative to original APS-compatible units while maintaining pressure/temperature parameters and navigation accuracy.

Contacts and the original brochure are attached.