Hutaib Machinery Threading Machine CDRG 45 for 16-40mm rebar thread rolling and mechanical splicing
Threading machine creating threads on rebar for coupler connectionRebar threading operation showing thread rolling processHMS CDRG 45 threading machine die system close-up

Threading Machine 40mm - Rebar Thread Rolling Machine for Mechanical Splicing

The Hutaib Machinery Threading Machine creates precise threaded ends on 16-40mm rebar with 40-62 r/m shaft speed for fast coupler connection and mechanical splicing across South Indian construction projects. With 100mm max rolling length and 4 thread pitch options (1.75, 2.0, 2.5, 3.0mm), this semi-automatic threader delivers code-compliant connections for high-rise buildings, infrastructure projects, and prefabrication facilities.

₹95,000+ GST
16-40mm Capacity100mm Thread Length4 Thread Pitches40-62 r/m Speed1-Year Warranty
25+ Years in Business
Free Installation
Pan-South India Delivery
Lifetime Support

Technical Specifications

SpecificationValue
BrandHMS
Model Name/NumberCDRG 45
Capacity16-40mm
Main Shaft Speed40-62 r/m
Max Rolling Length100mm
Thread Pitches Available1.75, 2.0, 2.5, 3.0mm
TypeSemi-Automatic
Net Weight380 kg
Warranty1 Year Comprehensive

Thread Pitch Compatibility:

  • • 1.75mm pitch - for 16-20mm diameter bars
  • • 2.0mm pitch - for 20-25mm diameter bars
  • • 2.5mm pitch - for 25-32mm diameter bars
  • • 3.0mm pitch - for 32-40mm diameter bars

Key Features and Benefits

Threading machines are essential for mechanical splicing in modern construction, offering superior connection strength, speed, and code compliance. Designed with multiple thread pitch options and high-speed rolling, these machines ensure precise threaded ends for coupler connections, eliminate lap splicing congestion, and enhance structural integrity.

With features like 16-40mm capacity and 100mm max rolling length, they enable efficient threading across high-rise buildings, infrastructure projects, and prefabrication facilities, making them an indispensable tool for contractors adopting mechanical splicing across South India.

Key Benefits

Wide Diameter Range

Handles 16-40mm rebar covering all common bar sizes for mechanical splicing.

Multiple Thread Pitches

1.75, 2.0, 2.5, 3.0mm pitches for compatibility with all standard couplers.

100mm Thread Length

Adequate rolling length for standard coupler requirements per IS 16172 guidelines.

Fast Production Speed

40-62 r/m shaft speed enables threading in 30-60 seconds per bar end.

Eliminates Lap Splicing

Mechanical splices reduce rebar congestion and improve concrete placement.

Code Compliant Joints

Creates full-strength splices meeting IS 456 and IS 16172 requirements.

Engineering Features

Thread Rolling Technology

Cold forming process strengthens thread roots for superior connection performance.

Heavy-Duty Construction

380kg robust frame ensures stability during high-torque threading for consistent results.

Precision Die System

Hardened dies deliver accurate threads with long service life.

Site-Ready Design

Transportable size allows on-site threading for prefabrication flexibility.

Mechanical Splicing Advantages

Full Strength Joints

Coupler splices achieve 125% of bar strength per code requirements.

No Lap Length

Eliminates 40-50 diameter lap lengths saving material and space.

Better Concrete Flow

Reduced congestion allows proper concrete placement around reinforcement.

Quality Assurance

Visible inspection of threaded connections ensures splice quality.

Applications Across South Indian Industries

This threading machine serves multiple construction and fabrication applications across Karnataka, Tamil Nadu, Kerala, Andhra Pradesh, and Telangana:

High-Rise Construction

Threading column bars for coupler splicing in multi-story buildings where lap splices would create congestion in Bengaluru, Chennai, and Hyderabad.

Threading machine preparing rebar for coupler splicing in high-rise construction Bengaluru

Infrastructure Projects

Creating threaded ends for bridge piers, metro structures, and flyover columns requiring mechanical splices across South India.

Rebar threading for infrastructure mechanical splicing in Chennai metro project

Prefabrication Facilities

High-volume threading for precast element production and modular construction facilities in Karnataka and Tamil Nadu.

Threading machine in prefabrication facility producing threaded rebar for precast elements

Proven Use Cases

Column Starter Bar Threading

  • Creates threaded ends for column dowels in foundations.
  • Coupler connections enable floor-to-floor continuity.
Threading machine creating column starter bar threads for foundation in Karnataka

Beam-Column Joint Threading

  • Threads heavy-gauge bars for critical joints in seismic zones.
  • Full-strength splices meet IS 13920 requirements.
HMS threading machine creating beam-column joint threads in Tamil Nadu construction

Precast Connection Threading

  • Produces threaded bars for precast connections in modular buildings.
  • Consistent threads ensure reliable field assembly.
Rebar threading for precast panel connections in Hyderabad prefab facility

What Our Customers Say

We switched to mechanical splicing for our high-rise projects and this threading machine has been excellent. The thread quality is consistent and our coupler connections pass every test. Production speed is good for our volume.

Suresh Babu M.

Technical Manager, Construction Company

Bengaluru, Karnataka

For infrastructure work where we use 32-40mm bars, this machine performs reliably. The multiple pitch options mean we can work with different coupler brands. Hutaib's service response has been quick when we needed spare dies.

Karthik Rajan

Project Engineer, Metro Contractor

Chennai, Tamil Nadu

We thread thousands of bar ends monthly for our precast production. This machine has been running for over a year with minimal maintenance. The thread rolling gives stronger threads than cutting - important for our structural connections.

Venkateswara Rao

Owner, Prefab Facility

Hyderabad, Telangana

Good machine for site use. We transport it between projects for on-site threading. The semi-automatic operation means our workers picked it up quickly. Thread quality has been consistent across all bar sizes.

Pradeep Kumar

Site Engineer, Building Contractor

Coimbatore, Tamil Nadu

Trusted by 100+ Contractors Adopting Mechanical Splicing

Construction companies, infrastructure contractors, and prefabrication facilities rely on our threading machines for coupler-based splicing across Karnataka, Tamil Nadu, Andhra Pradesh, and Telangana.

Frequently Asked Questions

What rebar diameters can this threading machine handle?

This threading machine handles rebar from 16-40mm diameter, covering all common bar sizes used in construction for mechanical splicing applications in columns, beams, and foundations.

What thread pitches are available?

The machine supports multiple thread pitches: 1.75mm, 2.0mm, 2.5mm, and 3.0mm, compatible with standard rebar couplers and mechanical splices used across India.

What is the maximum thread length?

The maximum rolling length is 100mm, sufficient for standard coupler connections and mechanical splicing requirements as per IS 16172 guidelines for rebar mechanical splicing.

Is this machine suitable for construction site use?

Yes, at 380kg the machine is transportable and can be set up on construction sites for on-site threading. It requires a 3-phase 415V power supply which is standard on most construction sites.

What is the production speed?

With a main shaft speed of 40-62 r/m, the machine can thread a bar end in approximately 30-60 seconds depending on bar diameter and thread length, enabling efficient high-volume production.

What warranty and support is offered?

Every Threading Machine comes with a 1-year comprehensive warranty covering parts and labor, along with lifetime technical support via phone and WhatsApp. Spare parts and threading dies are readily available from our Bengaluru warehouse with 24-48 hour delivery.

Ready to Order Your Threading Machine?

Contact us today for the best price and free delivery across South India