Railway Bridge & Track Engineering Solutions.
For 40+ years THPPL has supplied and applied bridge and track fastening solutions for Indian Railways: 30 lakh+ HSFG fasteners secured across IRCON and DFCCIL bridge projects, applied at site by our own team.
One partner carries the job end to end: trials at your site, documentation aligned with the governing RDSO references, Henkel-manufactured LOCTITE supply, and torque application by our own engineers, on structures from Ambala to Vadodara.
HSFG Bolting Assemblies on Railway Bridges
- RDSO BS-111 Rev.6 / latest references, with RDSO Drawing B-11760/R1
- Railway Board implementation reference dated 08.12.2025
- LOCTITE 2048 (pre-assembly) / LOCTITE 2048LV (post-assembly), specially manufactured for the Railway fastening application
- Anti-Theft · Anti-Sabotage · Anti-Vibration · Anti-Corrosion
Bridge fastening, governed by the technical references
Every application we carry out on a Railway bridge follows the governing RDSO and Railway Board documents. These are the references that define the work:
Specially manufactured for the Railway application
Henkel Adhesive Technologies India Pvt. Ltd. manufactures this bonding-agent solution specifically for the Railway fastening requirement highlighted in the RDSO guideline.
The full cycle, handled by one partner
From the first technical discussion to the last torqued bolt, THPPL carries a product through every stage of the Railway acceptance process.
Product Selection
LOCTITE 2048 or 2048LV, matched to the pre- or post-assembly application on your structure.
Technical Trials
Demonstrations and trials at site with Railway and contractor teams.
RDSO Approvals Support
Documentation aligned with the governing RDSO references.
Supply
Henkel-manufactured material, delivered to project schedule.
On-Site Application
Application and torque work by our own team at the structure.
Railway applications first, industrial support alongside
HSFG Bridge Bolting
Bolting assembly and bonding-agent applications for critical bridge fasteners.
Bridge bolting in detail
Track Fittings
Self-locking and anaerobic bonding arrangements under the 2026 RDSO specification.
Track fittings & the 2026 spec
Rubber Track Pad Bonding
LOCTITE MR 5005 TS for bonding Rubber Track Pads to PSC Sleepers.
Pad bonding detailsRolling Stock
Adhesives, sealants and specialised products for assembly and maintenance.
ProductsWorkshops & Production Units
Maintenance, fastening, cutting, safety and engineering support products.
ProductsTextile Air Ducts & Expansion Joints
AirDiv solutions, outside the railway line, same supply discipline.
ProductsProven on live Railway structures
For IRCON and DFCCIL: grade separators, open web bridges and steel girder spans, executed in accordance with applicable RDSO guidelines.
Katni Grade Separator (IRCON) · Open Web Bridges 13 & 55, Pilkhani–Ambala (DFCCIL) · Tapi, RFO-7 & Narmada-57 (DFCCIL Vadodara) · MJRUB-236, RFO-213A & RFO-76 (CTP-13)
Appreciation letter & project credentials available on request.
Discuss your bridge or track application
Send photos, drawings, bolt sizes or site requirements, we respond with the product, the reference and the application plan.