Bar Threading Machine in Bangalore
Mechanical rebar couplers are no longer a specification you see only on prestigious projects in Bangalore. As the city's construction has scaled up — with metro viaducts, high-rise towers on Sarjapur Road and Hebbal, and infrastructure structures on the Peripheral Ring Road all demanding compliance with IS 16172 coupler standards — bar threading machines have moved from specialist equipment to site essentials. Jamshedji Constro Equip manufactures the CDRG45 bar threading machine at our ISO 9001:2015 certified facility in Pune and supplies contractors, structural steel fabricators and precast yards across Bangalore and Karnataka factory-direct, with a GST invoice, genuine threading dies stocked in Pune, and service you can reach after the sale. Browse our full range of TMT bar threaders.
Why mechanical couplers are standard on Bangalore's larger projects
The shift from lap splicing to mechanical coupler connections has been driven by two factors that are particularly relevant in Bangalore. The first is seismic loading: Karnataka falls in Seismic Zone II and III under IS 1893, and structural engineers on high-rise and infrastructure projects in Bangalore increasingly specify parallel-thread couplers in preference to lap joints at column splice locations, because couplers provide full tensile strength continuity rather than relying on bond transfer through concrete. The second is congestion: as bar diameters increase on infrastructure work — 36 and 40 mm is not uncommon on metro piers and PRR bridge structures — lap lengths become impractically long and create reinforcement congestion that makes proper concrete placement difficult. A threaded coupler sleeve eliminates the lap length entirely.
For contractors taking on government and infrastructure work in Bangalore, specifying couplers also has a documentation advantage: coupler connections are more straightforward to inspect and certify under BBMP and BMRCL quality assurance requirements than traditional laps, which depend on overlap length verification that is difficult to confirm once concrete is placed.
Bar threading machine — model & price in Bangalore
Factory-direct price from Pune, GST invoice included. Transport to Bangalore quoted at actuals.
Bar Threading Machine CDRG45
- Parallel-thread ends
- 16–40 mm TMT
₹1,18,000 onwards
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TMT Rebar Coupler Sleeves
- IS 16172 compliant
- 16–40 mm range
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How the CDRG45 bar threading machine works on a Bangalore site
The CDRG45 cuts a parallel thread on the bar end that mates directly with a standard parallel-thread coupler sleeve. It works on bars from 16 mm up to 40 mm diameter, covering the full range of structural reinforcement used on Bangalore's residential and infrastructure sites. The machine is motor-driven and requires a stable three-phase power supply; threading a 32 mm bar typically takes under a minute per end once the operator has set up the die for the correct bar size. Most sites set up the threading machine at a central rebar processing point and batch-thread bar ends before distribution to the pour locations.
One aspect of bar threading that surprises first-time users is die management. Threading dies are precision cutting tools and must be kept sharp, lubricated and matched to the correct bar diameter. Using a worn die produces threads that fail the go/no-go gauge check and must be re-threaded. We supply genuine replacement dies and roller sets matched to the CDRG45, stocked at our Pune factory and available for courier delivery to Bangalore within 24–48 hours. Using substitute dies of unverified specification is the single most common cause of thread quality failures on site — confirm die specification with any supplier before purchase.
Why Bangalore contractors choose Jamshedji
- Manufacturer since 1983 — ISO 9001:2015 certified, MIDC Bhosari (Pune); every machine built and tested at our own facility, not imported and rebadged
- 5,000+ clients across India and overseas — including contractors in Bengaluru, Mysuru, Mangaluru and Hubli, plus export to UAE, Kenya, Nepal, Bangladesh and Tanzania
- GST invoice + Udyam/MSME registered — full input tax credit eligibility; documentation accepted for BBMP, BDA and Karnataka state government contractor billing
- Genuine spares delivered to Karnataka in 24–48 hours — we stock wear parts at our Pune factory and courier directly to your Bangalore site address, no third-party sourcing
- Factory-direct pricing with no dealer margin — you negotiate and buy from the manufacturer, not through a chain of intermediaries who each add cost
Delivery to Bangalore & Karnataka
Your bar threading machine dispatches from our MIDC Bhosari facility in Pune by road transport and typically arrives in Bangalore in 3–4 working days. We share the LR (transport bilty) copy at dispatch so you can track your consignment in real time. For in-stock models, urgent same-day dispatch from Pune can often be arranged — call us in the morning and we will aim to dispatch before end of day. Every machine is packed securely for road transit, and our team provides video call guidance for installation and commissioning on delivery. Genuine wear parts and spares are couriered from Pune to your Karnataka address within 24–48 hours.
Frequently asked questions
What is the price of a bar threading machine in Bangalore?
The CDRG45 bar threading machine starts from ₹1,18,000, factory-direct from our Pune facility with a full GST invoice. This includes the machine with a standard die set. Contact us for a same-day quotation including Bangalore transport cost — the delivered price varies with your exact delivery address.
What bar diameters can the CDRG45 thread?
The CDRG45 threads bars from 16 mm up to 40 mm diameter, covering the full range of structural reinforcement used in Bangalore's residential towers, commercial buildings and infrastructure projects including metro viaducts and PRR bridge structures. Each bar diameter requires the correct die set; confirm which sizes you need when ordering so we can include the right dies.
Is this machine suitable for BMRCL and NHAI infrastructure projects in Bangalore?
Yes. The CDRG45 threads to parallel-thread standards including IS 16172, which is the standard most commonly specified on BMRCL (Namma Metro) and NHAI (PRR, NICE Road) infrastructure projects in Bangalore. Always verify the specific coupler standard cited in your project's structural drawings before commencing threading — IS 16172 Type B (full-strength) is the typical specification for critical connections on infrastructure work.
How are dies and replacement parts supplied in Karnataka?
Genuine CDRG45 dies and roller sets are stocked at our Pune factory and couriered to your Bangalore or Karnataka address within 24–48 hours. We only supply dies matched to the CDRG45 specification — using substitute dies of unverified thread geometry is the most common cause of out-of-tolerance threads that fail gauge checks on site.
How long does delivery to Bangalore take?
3–4 working days by road transport with the LR copy shared at dispatch for tracking. For urgent requirements, same-day dispatch from Pune can often be arranged for in-stock models.
Do you supply the coupler sleeves as well?
Yes. We supply TMT rebar coupler sleeves in the 16–40 mm range alongside the threading machine. Purchasing machine and sleeves from the same manufacturer ensures thread compatibility. Contact us with your bar diameter and coupler quantity for a combined quotation.
Bar Threading Machine in Other Cities
We also supply and deliver bar threading machines to contractors in Hyderabad, Pune and Mumbai — same factory-direct pricing with GST invoice, dispatched from our Pune facility.
Explore the full range of TMT bar machines and tools, or browse all construction equipment. Call +91 84840 61252 to discuss your Bangalore project's coupler specification and threading requirements.