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φ178mm API Compliant CNC Threading Lathe for Casing,OCTG Pipe Mill Threading Machine

Equipment Composition

It is designed to accommodate a wide range of pipe lengths and diameters, supporting machining of NPT and BSPT standard threads.

According to accuracy and wall thickness requirements, two processing modes are available:

  • Multi-pass progressive cutting for heavy-wall pipes
  • Full CNC control for high-efficiency single-pass threading
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Product Introduction

Overview

Our φ178mm API Compliant CNC Threading Lathe is purpose-built for manufacturing Oil Country Tubular Goods (OCTG). It is ideal for threading oil well casings, production tubings and pipe couplings.
The equipment is capable of machining API standard threads and high-performance premium connections. Its sturdy, rigid structure ensures stable performance during prolonged continuous operation, alongside superior machining precision and high productivity. It is widely used in large-scale tubular production lines and serves as a dependable processing solution for manufacturers in the oilfield and energy industries.

Specification

  • Pipe OD: 2 3/8″ – 13 3/8″ (60.3 mm – 340 mm)
  • Pipe Length: 1.5 m – 12 m (customizable)
  • Max. Swing over Bed: Ø 630 mm
  • Max. Swing over Cross Slide: Ø 330 mm
  • Spindle Bore: 150 mm (max. pass‑through pipe)

Our Advantages

  • High Rigidity & Stability: Heavy‑duty cast iron bed + reinforced spindle housing, minimal vibration during heavy cutting.
  • Premium Thread Quality: CNC full closed‑loop control ensures API/premium thread precision; suitable for high‑pressure wells.
  • High Efficiency: 4‑axis simultaneous motion + fast hydraulic chuck; cycle time reduced by 30% vs. conventional lathes.
  • Multi‑Function: One machine for external threading, internal threading, facing, chamfering, and grooving.
  • Easy Maintenance: Modular design, standard components, and remote diagnostic support.
  • Safety & Reliability: Overload protection, emergency stop, and full enclosure with safety interlocks.

About GH-Petro

GH-Petro supplies customized ERW & OCTG pipe mill solutions.We combine domestic craftsmanship and international leading technologies to deliver high-quality equipment and reliable services.

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Order Process

1️⃣ Send Your Inquiry
Tell us your product needs and order details.

2️⃣ Confirm the Solution
We recommend the right product and confirm the price.

3️⃣ Production & Quality Check
We arrange production and check the quality before delivery.

4️⃣ Shipping & Support
We ship the goods and provide after-sales support.

Simple. Fast. Reliable.
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Frequently Asked Questions

We are a professional manufacturer and we could supply customized mill for ERW pipes and full-range OCTG pipes to meet your request,which include Entry Section,Forming&Sizing,Solid State HF Welder,Straightening Machine,Cold Flying Saw,End Facing Machine,Hydro-tester,UT Flaw Detection Machine,Threading Machine,Bucking Machine and Pipes Packing Machine.
MOQ is flexible for us and one set is feasible.Of course our team also could supply you a complete solution according to your request.
All kinds of our equipment are designed for producing pipes meeting API 5CT, API 5L, ASTM, EN, ISO and GB standards, suitable for oil & gas, pipeline, structural and industrial pipe applications.
Yes. We offer full turn key solutions including process design, equipment manufacturing, installation guidance, commissioning, operator training and after sales service.
Absolutely. Our heat treatment and forming systems are specially engineered for high strength steel grades required for deep well oil and gas OCTG pipes.
T/T, L/C at sight are available. Flexible payment terms can be discussed for large scale turn key projects.
We provide 12 month warranty for core components from the date of shipment, with lifelong technical consultation and spare part supply service.

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