High-load-capacity resin-grouted roof bolt assemblies for underground coal mines, non-ferrous mines, and tunnelling projects. Full DGMS Circular No. 3/2010 compliance: with test documentation on every batch.
Founded in 2002, Manav Engineering is a Chandrapur-based ISO-certified manufacturer of mining roof bolt assemblies for underground mines across India.
Our assemblies are fully compliant with DGMS Circular No. 3/2010: the mandatory standard governing roof bolt systems in Indian mines. Every batch ships with third-party test certificates and Mill Test Reports.
We supply to government-owned coal companies (WCL, SECL, ECL, MCL, SCCL) and Private Mining Companies across India. Our MIDC factory in Chandrapur operates a complete end-to-end production line.
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Complete roof bolt assembly sets and individual components Select all manufactured in-house to DGMS specification.
Complete resin-grouted sets: threaded bolt, W-strap, domed plate, conical seat, washer, nut and shear pin tested per DGMS Cir. 3/2010.
20 / 22 / 25 / 27 mm
Corrugated W-profile steel straps for roof panel support and load distribution across bolt arrays. Formed in-house to consistent dimensional tolerances.
Custom lengths
Domed plates, bearing plates, conical seat cum nuts, and shear pins: individually tested and available as replacement components.
DGMS compliantSend us your Bill of Quantities or specification: we respond with pricing and lead time within one working day.
