Sankrail Industrial Park, Dhulagari, Howrah – 711302 info@hrsteel.com
RDSO · PGCIL · ISO 9001 · NABL Approved +91 98310 00031

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Complete Fastener Range

Engineered for infrastructure

From HSFG bridge bolting to transmission-tower hardware — manufactured to IS, IRS, EN, ASTM and DIN standards across black, hot dip galvanized, zinc plated and zinc phosphate finishes.

Also Manufactured

Hex bolts, nuts, washers & custom fasteners

Hex Bolts & Nuts

  • High-tensile & mild steel hex bolts and nuts up to M24
  • Black, HDG, zinc plated & zinc flake finishes
  • IS 1364 · IS 1367 · DIN 933 · ASTM A325
  • PGCIL approved · grade up to 8.8/8

Plain & Spring Washers

  • Flat, spring, taper, square & DTI washers
  • HDG, electro-galvanized & zinc flake finishes
  • IS 2016 · IS 3063 · DIN 125 · DIN 127
  • PGCIL approved for transmission projects

Special & Custom Fasteners

  • Made-to-order as per customer drawings
  • Structural bolts, foundation bolts, eye bolts, U-bolts
  • All standard property classes & finishes
  • OEM & project-specific designs
Surface Finishing

In-house coating capacity

25 MT/day
Hot Dip Galvanizing
10 MT/day
Zinc Electroplating
15 MT/day
Zinc Phosphate Coating
Black
Self-colour / oiled

Tell us what you need

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