Heavy Industrial SPM
Model: NCT-SPM-26
Comprehensive Machine Overview
Built on a heavy structural frame to eliminate vibration harmonics and maintain precision, the Bar Threading Machine manufactured by National Cutting Tools delivers <p>The Bar Threading Machine is engineered for continuous, accurate thread cutting on solid round metal bars, tie rods, and shafts up to 65 mm diameter. Fabricators working in pre-engineered buildings, formwork shoring, and heavy structural engineering require long threaded sections with tight pitch accuracy and clean thread roots that engage nuts smoothly under full tensile loading.</p>.
<p>Constructed on a heavy monobloc bed, the machine incorporates a multi-speed headstock with hardened gears, a hollow spindle for through-bar passage, and a robust carriage guided on hand-scraped prismatic ways. The four-chaser tangential die head delivers clean, tear-free threads on mild steel, medium carbon EN-8, and alloy steels, making it a reliable asset for structural steel and fastener plants.</p>
<h3>Key Features</h3>
<ul>
<li><strong>Through-Spindle Bar Clearance:</strong> Hollow headstock spindle allows long continuous bars to pass through the machine for end threading without restriction.</li>
<li><strong>Precision Lead Screw Synchronisation:</strong> Lead screw ensures exact pitch matching for specialized pitch standards, eliminating lead error over long thread lengths.</li>
<li><strong>Tangential Chaser Tooling:</strong> High-speed steel chasers provide clean cutting action and can be resharpened repeatedly along their full usable length.</li>
<li><strong>Heavy V-Jaw Bar Clamping:</strong> Mechanical or pneumatic clamping vise holds solid bars concentric to the cutting axis under high cutting torque.</li>
<li><strong>Automatic Length Trip Bar:</strong> Disengages the die head automatically at the desired thread length, preventing operator overrun errors.</li>
</ul>
<h3>Applications</h3>
<ul>
<li>Structural tie rod and sag rod threading for PEB steel buildings</li>
<li>Formwork tie rod and anchor bar fabrication</li>
<li>Shoring bar and tension rod production for bridge and civil works</li>
<li>Job-shop bar threading for hydraulic cylinder and pump shafts</li>
</ul>
<p>Manufactured under strict ISO 9001:2015 quality standards at our Ludhiana works. Verified on solid steel bar samples with precision thread pitch gauges prior to packaging and dispatch.</p>
Engineering Data Matrix
| Technical Parameter | Operational Specification / Value |
|---|---|
| Type Of Machine | Threading Machine |
| Material | Steel, Aluminium Alloys |
| Power Source | Electric |
| Thread Type | Internal, External, Tapered |
| Chuck Type | Self-centering Chuck |
| Spindle Speed | Variable |
| Control System | Manual Or CNC Control Options |
| Finishing | Painted |
| Application | Machine, Fabrication Shops, Construction Projects |
| Accuracy | Can Achieve High Precision Threading |
| Frequency | 50 Hz |
| Safety Features | May Include Guards, Shields, And Emergency Stop Buttons |
| Accessories | Includes Tool Kit, Spare Parts, Threading Dies |
| Advantages | Easy To Operated, Non Breakable, Sturdiness, High Speed, Durable |
| Country Of Origin | India |
Bar Threading Machine Works QA & Export Packaging Protocol
✓ Thread Geometry & Pitch Gauge Verification Protocol
- • Thread Pitch & Gauge Inspection: Sample threads cut or rolled on bar/pipe stock verified with calibrated Go / No-Go thread ring and plug gauges (IS 554 / ISO 7 / IS 16172).
- • Chaser / Roll Die Parallelism: Die head trip mechanism and roll die spacing aligned within 0.02 mm under full cutting and forming torque.
- • All-Geared Headstock Burn-In: 48-hour continuous trial of all spindle speeds and coolant circulation under loaded cutting conditions to ensure thermal stability.
- • Thread Sample Sign-Off: Physical threaded test samples preserved and HD video of threading cycle sent for buyer approval before packing.
Precision Threading Machine Transit Protection
- • Die & Lead Screw Wax Coating: Chasers, thread rolls, vice jaws, and lead screws coated with heavy-viscosity protective rust-preventive petroleum wax.
- • Carriage Mechanical Locks: Workpiece carriage and rack gear secured to prevent movement and shock during sea transit.
- • Cabinet Desiccant Packs: Hermetically sealed silica gel canisters placed inside control enclosures to prevent condensation.
- • ISPM-15 Heat-Treated Crating: Heavy wooden box packaging compliant with international maritime phytosanitary export standards.
International Shipping Destinations & India Supply Network
National Cutting Tools manufactures and configures the Bar Threading Machine for seamless integration into international fabrication lines and domestic scaffolding manufacturing plants. All machinery is customized for local electrical grids, certified for regional compliance, and dispatched with seaworthy protective packaging.
Primary International Export Destinations
All Export Hubs →Pan-India Fast Freight Dispatch (Ludhiana Works)
India Directory →Full-truckload (FTL) and part-load freight dispatch directly from our central manufacturing works at Focal Point, Ludhiana. Factory engineers provide on-site leveling, tool alignment, and operator training across all major industrial manufacturing clusters:
Frequently Asked Questions • Bar Threading Machine
Direct Factory Machinery Proposal
Connect with our engineering specialists in Ludhiana. Receive comprehensive technical specifications, power requirements, tooling options, and estimated FOB/CIF maritime rates.
Request Formal Quotation
Please provide production requirements for exact tooling design.
Industrial Pipe & Bar Threading Machines: Die Heads & Production Cycles Guide
Technical breakdown covering machine sizing, tooling die setups, cycle speeds, and operational maintenance for Threading Machines.
