High Strength Friction Grip Fasteners
Structural Bolting Systems
Shah Steel & Alloys Manufacturing Private Limited manufactures premium HSFG Fasteners designed for structural steel connections where high preload and slip-resistant joints are essential.
Our HSFG Fasteners are manufactured using high-strength alloy steels and undergo controlled heat treatment to achieve excellent mechanical properties.
Product Range
HSFG Hex Bolts
Heavy Hex Nuts
Hardened Washers
Structural Bolt Assemblies
Available Grades
Grade 8.8
Grade 10.9
Grade 12.9
Materials
EN8
EN19
EN24
Alloy Steel
Carbon Steel
Surface Finish
Black Finish
Hot Dip Galvanized
Zinc Plated
Geomet Coating
Dacromet Coating
Steel Structures
Bridges
Metro Projects
Flyovers
Industrial Buildings
Power Plants
Wind Turbines
Heavy Engineering
✔ High Clamp Force
✔ Slip Resistant Connections
✔ Excellent Fatigue Strength
✔ High Tensile Properties
✔ Easy Installation
✔ Long Service Life
✔ Reliable Performance
Manufacturing Standards
Standard | Product |
DIN 975 | Threaded Rods |
DIN 976 | Fully Threaded Rods |
ISO 898-1 | Mechanical Properties |
IS 1367 | Threaded Fasteners |
ASTM A193 | High Tensile Fasteners |
ASTM A320 | Low Temperature Fasteners |
ASTM F3125 | Structural Fasteners |
EN 14399 | HSFG Fastener Assemblies |
Diameter | Length |
M6 | Up to 1000 mm |
M8 | Up to 1500 mm |
M10 | Up to 2000 mm |
M12 | Up to 3000 mm |
M16 | Up to 3000 mm |
M20 | Up to 3000 mm |
M24 | Up to 3000 mm |
M30 | Up to 3000 mm |
M36 | Up to 6000 mm |
M42–M100 | Custom Lengths |
Note: Longer lengths are available on request.
Oil & Gas
Petrochemical
Power Generation
Renewable Energy
Steel Plants
Cement Plants
Infrastructure
Railways
Marine
Heavy Engineering
Bridges
Industrial Construction
ISO 9001 Quality Management System
Modern Manufacturing Facility
Precision Thread Rolling
Certified Raw Materials
International Standards Compliance
Competitive Pricing
Timely Delivery
Export Packaging
Custom Manufacturing Solutions
Dedicated Technical Support
29/31, Savita Sadan 1st Floor, Office No. 2 1st Parsiwada V. P. Road Mumbai – 400004 Maharashtra, India
+91 9819432326 / +91 9833310376
info@shahsteel.co.in
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