High-precision Hex Bolts manufactured in Grades 4.6, 8.8, 10.9, and 12.9, available from M6 to M64 with custom lengths. Ideal for structural, machinery, and general industrial applications.
Applications
• Heavy Engineering
• Automotive
• Structural Steel Fabrication
• Railways & Infrastructure
• Machine Assemblies
Technical Specifications:
Sizes: M6 to M100 (Custom lengths available)
Grades: 4.6, 5.6, 8.8, 10.9, 12.9
Material: MS, Alloy Steel, SS304, SS316
Standards: DIN 933, ISO 4014/4017, ASTM A307, A325
Thread Type: Full / Half Thread (Metric / UNC)
Coatings: Black Oxide, Zinc, HDG, Dacromet, Geomet
Manufacturing Process: Hot-forged / Cold-forged, CNC-thread rolled
Carriage Bolts with round head and square neck for anti-rotation locking in metal and wooden assemblies.
Applications
• Furniture
• Solar panel mounting
• Structural supports
• Conveyor systems
Technical Specifications:
Sizes: M6 to M20
Materials: MS, SS304, SS316
Standards: DIN 603
Coatings: Zinc Plated, HDG, SS Finish
Integrated washer-flange head design for improved load distribution and vibration resistance.
Applications
• Automotive engines
• Agricultural machinery
• Industrial equipment
Technical Specifications:
Sizes: M6–M16
Standards: DIN 6921
Grades: 8.8 / 10.9
Material: MS / Alloy Steel / SS304 / SS316
Coatings: Zinc / Black / Geomet
U-Bolts manufactured in MS, SS304, SS316 for pipe support, clamping, and structural hold-downs.
Applications
• Pipeline supports
• HVAC ducting
• Structural clamps
Technical Specifications:
Pipe Sizes: ½″ to 24″
Bolt Sizes: M6 to M36
Material: MS / SS304 / SS316
Standards: DIN 3570
Coatings: Zinc / HDG / SS Finish
Forged Eye Bolts for lifting, rigging, and load-bearing applications.
Applications
• Lifting systems
• Marine
• Construction
• Industrial rigging
Technical Specifications:
Sizes: M6 to M64
Grades: Forged C15, C20, SS304, SS316
Standards: DIN 580
Applications: Lifting, Rigging
Standard Hex Nuts with uniform threading for general and industrial fastening.
Technical Specifications:
Sizes: M6 to M100
Grades: 4, 6, 8, 10, 12
Standards: DIN 934 / ISO 4032
Coatings: Zinc, HDG, Dacromet
Large-dimension nuts designed for high-pressure and structural connections.
Technical Specifications:
Standards: ASTM A194 2H
Material: Alloy Steel / Carbon Steel
Coatings: Black, HDG, PTFE
Nylon-insert lock nuts for vibration-resistant assemblies.
Technical Specifications:
Sizes: M4 to M48
Standards: DIN 985
Material: MS / SS304 / SS316
Flange Nuts with built-in washer surface for improved load distribution.
Technical Specifications:
Sizes: M6 to M16
Standards: DIN 6923
Variants: Serrated / Non-serrated
Decorative and safety cap nuts providing thread protection and premium appearance.
Technical Specifications:
Sizes: M4 to M20
Materials: MS, SS304, SS316, Brass
Standards: DIN 1587
Industrial-grade washers designed for load distribution, vibration control, and high-strength bolted joints. Available in MS, SS304, SS316, and high-tensile alloy steel.
Applications
• Structural Steel
• Machinery Mounting
• Flange Assemblies
• Automotive & Fabrication
• General Fastening
Technical Specifications:
Sizes: M3–M100
Types: Plain, Spring, HT, Machined
Standards: DIN 125, 127, 7989
Materials: MS, HT Steel, SS304, SS316
Fully threaded rods and stud bolts from M6–M100 for high-strength bolted joints, flange connections, and structural applications.
Applications
• Flange Joints
• Foundation Hold-Downs
• Structural Steel
• Heavy Machinery
• HVAC & Construction
Technical Specifications:
Sizes: M6–M100, upto 6m
Grades: 4.6, 5.6, 8.8, 10.9, B7
Standards: DIN 975/976, ASTM A193
Material: MS / Alloy Steel / Stainless Steel
High-performance Anchor Fasteners for RCC, structural fixing, machinery installation, and heavy-duty industrial mounting.
Applications
• Machine Mounting
• RCC Beams & Columns
• Heavy Equipment Foundation
• Railings & Structural Frames
• Industrial Installations
Technical Specifications:
Types: Wedge, Sleeve, Drop-In, Chemical
Sizes: M6–M20
Materials: MS / SS304 / SS316
Coatings: Zinc / HDG
Custom-engineered Foundation Bolts for industrial foundations, machinery bases, steel structures, and heavy equipment anchoring.
Applications
• Industrial Machinery
• Steel Structures
• Pipe Racks
• Power Plants
• Construction Projects
Technical Specifications:
Rod Sizes: M12–M100
Length: Up to 6m
Material: MS, EN8, EN19, SS304, SS316
Types: L-type, J-type, U-type, Plate Bolts
Coatings: HDG / Black / Zinc
Sterra Engineering is a Vadodara-based industrial fastener manufacturer and stockiest supplying premium-quality bolts, nuts, washers, studs, threaded rods, clamps, anchors, and customized fasteners.
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