Technical Excellence
Technical Excellence Mechanical splicing systems engineered to deliver full-strength joints, reliable elongation control, and easy installation across demanding infrastructure and building applications. Performance Highlights 125% Yield Strength Development 575 N/mm² Minimum Yield Strength 800 N/mm² Minimum Tensile Strength < 0.1% Permanent Elongation.
Performance Highlights
Mechanical Splicing & Structural Components
Systems Built for Critical Performance.
Our mechanical splicing system is built around full-strength joint performance, preserved bar cross-section area, and practical site installation without torque wrenching.
Designed to reduce site risk, improve load transfer continuity, and maintain engineering confidence across bridge decks, high-rise cores and geotechnical stabilization programs.
Rebar Coupler Manufacturing
PremiumHigh strength, precise finishing, and reliable performance while maintaining full compliance with industry standards.
On-Site Threading Services
FastProfessional rebar threading services directly at construction sites for faster execution and reduced delays.
TMT Transport Vehicle Rental
ReliableTMT transport vehicles on rent for RMC plants and construction operations with timely material movement.
Technical Support & Guidance
ExpertTechnical support and practical guidance to help clients choose the right solution and ensure proper installation.
Professionalism
Built into Every
Structure.
DD TECH began its journey in 2018 as DD Enterprises and has grown into a trusted construction support company focused on rebar couplers, threading services, transport support, and practical technical guidance.
The brochure positions DD TECH around dependable execution, customer-focused service, and standards-conscious manufacturing for projects that need reliable on-site coordination.
Project Portfolio
Featured project references delivered with DD TECH coupler systems, threading support, and execution-focused coordination across Pune and Mumbai locations.
Portfolio Snapshot
Real projects backed by practical site support.
Each project combines quality-controlled coupler supply, on-site execution alignment, and reliable reinforcement continuity from planning to installation.
Vantage Project
Kharadi, Pune
Solita Business Hub III
Baner, Pune
Provenance Land
Worli, Mumbai
Engineering
Compliance.
Key data from the DD TECH profile covering standards, coupler types, bar sizes, and performance information for project planning.
Verified Profile Data
Couplers Specification Table
Regular Couplers
| Description | 16mm | 20mm | 25mm | 32mm |
|---|---|---|---|---|
| Material | EN8D | EN8D | EN8D | EN8D |
| OD & Length | 25 x 46 mm | 30 x 52 mm | 38 x 60 mm | 48 x 77 mm |
| Metric Pitch | 2.5 | 2.5 | 3 | 3 |
| Thread Number | 17 | 21 | 26 | 33 |
Forging Couplers
| Description | 16mm | 20mm | 25mm | 32mm | 40mm |
|---|---|---|---|---|---|
| Material | EN8D | EN8D | EN8D | EN8D | EN8D |
| OD & Length | 28 x 32 mm | 32 x 40 mm | 40 x 50 mm | 50 x 64 mm | 60 x 80 mm |
| Metric Pitch | 2.5 | 2.5 | 3 | 3 | 3.5 |
| Thread Number | 18 | 21 | 29 | 36 | 46 |
EN8D Chemical Composition
| Material | Range | % C | % Mn | % Si | % P | % S |
|---|---|---|---|---|---|---|
| EN8D | Min. | 0.40 | 0.70 | 0.05 | 0.050 max | 0.050 max |
| EN8D | Max. | 0.45 | 0.90 | 0.40 | - | - |
Real DD TECH Visuals.
A broader look at DD TECH through real workshop, machine, product, and site-oriented visuals sourced from your local image library.
Threading Machine Operation
A close view of machining and threading work that supports site-ready rebar preparation and mechanical splicing workflows.
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Installed Coupler Detail
A product-level visual that reflects how mechanical couplers connect with threaded reinforcement in practical field use.
Equipment Readiness
A machine lineup image that supports the DD TECH story around workshop capability and production preparedness.
Coupler Application View
Shows finished couplers and assembled bars, connecting the product range to actual reinforcement applications.
Connection Concept View
A simplified coupling visual that helps communicate how the system works across multiple connected reinforcement bars.
Application Environment
A bridge infrastructure image that reflects the scale and project context where mechanical splicing solutions are commonly used.
Proof of Performance.
The brochure emphasizes quality manufacturing, timely support, skilled execution, competitive pricing, and a customer-focused working style.
DD TECH focuses on practical construction support, helping clients choose the right coupler solution and execute projects with dependable manufacturing, threading, and technical guidance.
Trusted by growing construction and industrial partners.
Our client relationships are built on dependable supply, responsive support, and product quality that performs in real project conditions.
"Cost savings against lapping, reduced congestion, easier concrete flow, and preservation of full rebar cross-section are some of the key system benefits highlighted in the DD TECH brochure."
Built for Project Support.
DD TECH works with contractors, plants, and project teams that need practical support in manufacturing, threading, transport, and technical coordination.
Start Your Project.
Bring your next coupler requirement, threading job, or project support need to a team that works with practical site realities and dependable execution.
What We Prepare