Engineered Fastening Solutions & Precision Components
Comprehensive manufacturing under one roof: International Standard DIN/ISO/ASME Fasteners, Automotive Parts Per Print developed to customer blueprints, and High-Precision CNC Turned Components with tight tolerances down to 5 microns.
International Manufacturing Standards
Super Technoforge Pvt. Ltd. manufactures an expansive catalog of standard fasteners conforming strictly to German (DIN), International (ISO), and American (ASME) engineering standards across high-tensile property classes.
Industrial Bolts & Screws
Manufactured on high-speed multi-station cold heading formers with rolled threads for enhanced fatigue resistance and optimal grain boundary flow.
Socket Head Cap Screw
High-tensile cylindrical socket head screws engineered for confined spaces requiring deep internal hex driving torque and superior clamp integrity.
| Property Class: | 8.8, 10.9, 12.9 |
| Diameter Range: | M3 to M36 (1/8" to 1-1/2") |
| Finishes: | Black Oxide, Zinc Cr3, Geomet, Zinc-Ni |
Center Bolts
Specialized heavy-duty fasteners designed for leaf spring pack alignment and automotive chassis assemblies under intense continuous shear and vibration.
| Property Class: | 8.8, 10.9, High Fatigue |
| Lengths: | Up to 350mm Custom Shank |
| Applications: | Commercial Vehicles, Tractors, Trailers |
Collar Bolts / Flange Screws
Hexagon flange bolts with integrated load-spreading washer collar. Available with smooth or serrated underside for superior joint clamp locking.
| Property Class: | 8.8, 10.9, 12.9 |
| Diameter Range: | M5 to M24 |
| Key Benefit: | Eliminates separate spring washers |
U-Bolts
High-tensile curved and square-bend U-bolts with precision rolled dual-end threads, supplied with matching deep hex nuts and heavy plate washers.
| Material Grades: | Mild Steel, EN8, 4140, Class 8.8 / 10.9 |
| Profiles: | Round Bend, Semi-Round, Square Bend |
| Applications: | Axle Clamping, Suspension, Piping |
Cross Recessed Flange Screws
Automated assembly-ready screws featuring Phillips or Pozidriv cross recesses with integral flanged base for rapid pneumatic and robotic fastening.
| Property Class: | 4.8, 8.8 |
| Diameter Range: | M3 to M10 |
| Plating: | Eco-friendly Cr3+ Trivalent Zinc (Clear/Yellow) |
Connecting Rod Bolts
Safety-critical reciprocating engine bolts engineered with controlled shank reduction, rolled root threads, and micro-clean alloy steels for extreme cyclic fatigue life.
| Property Class: | 10.9, 12.9, Ultra-High Fatigue |
| Quality Control: | 100% Magnetic Particle Inspection (MPI) |
| Applications: | Automotive & Diesel IC Engines |
Industrial Nuts & Prevailing Torque Locknuts
Comprehensive selection of standard and specialized lock nuts manufactured on automatic nut formers with controlled thread gauging and high proof load tolerance.
Square Nuts
Four-sided heavy-bearing nuts designed for channel tracks, electrical panels, and machinery assemblies offering positive non-slip anti-rotation.
| Property Class: | Class 5, 8 |
| Thread Sizes: | M4 to M24 |
| Surfaces: | Zinc Plated, Bright, Phosphated |
Weld Nuts (Square & Hex)
Engineered projection weld nuts designed for resistance spot-welding onto automotive sheet metal chassis and enclosures without weld spatter.
| Material: | Low Carbon Cold Heading Steels (Weldable) |
| Features: | Engineered Projections, Thread Pilot Collar |
| Industries: | Automotive Bodies, Heavy Enclosures |
Nylon Inserted Lock Nuts
Prevailing torque self-locking nuts fitted with non-conductive elastic nylon ring collars that grip mating bolt threads tightly under severe vibration.
| Property Class: | Class 8, 10 |
| Thread Sizes: | M3 to M36 |
| Locking Principle: | Prevailing torque friction lock |
Wheel Nuts
Specialized wheel fastening nuts available in conical seat, spherical seat, and flanged captive washer designs for passenger, truck, and tractor wheels.
| Property Class: | Class 10, 12 |
| Finishes: | Black Phosphated, Zinc Nickel, Dacromet |
| Applications: | Truck Axles, Buses, Agricultural Tractors |
Castle Nut / Slotted Nut
Precision slotted castellated nuts designed to be positively locked with cotter pins through cross-drilled bolts, guaranteeing zero back-off in safety-critical hubs.
| Property Class: | Class 8, 10 |
| Thread Sizes: | M8 to M48 |
| Locking: | Split cotter-pin positive safety retention |
Hub Nuts
Large-diameter flanged spindle nuts delivering immense clamp loads and preloading for wheel hub bearings, differential drives, and drive-axle shafts.
| Property Class: | Class 10, 12, Case Hardened |
| Features: | Integral flange bearing, high torque proof |
| Applications: | Spindle Bearings, Heavy Drive Axles |
Parts Per Print: Critical Automotive Fasteners
Engineered strictly to customer blueprints (2D/3D CAD). Super Technoforge Pvt. Ltd. specializes in high-integrity cold forged parts and safety-critical fasteners for automotive tier-1 systems, heavy commercial vehicles, and defense applications.
Full Spectrum Custom Automotive Fastener Range
Steering linkage rods, precision torque pins, flanged collar studs, connecting rod bolts, and automotive flanged lock nuts developed to exact client tolerances.
Steering & Suspension Linkage Rods
Specialized angled linkage rods and torque rods manufactured with cold headed ball ends and rolled threaded terminals for steering knuckles and suspension arms.
| Material: | SCM435, 4140, 20MnB4 |
| Bending Accuracy: | ±0.5° Angular Tolerance |
| Fatigue Cycle: | > 1,000,000 Cycles Verified |
Flat Head Stepped Automotive Pins
Ultra-flat head fasteners with multi-stage stepped cylindrical shanks and precision cross drive recesses for automotive body hinges and latching mechanisms.
| Shank Tolerance: | h8 / h9 Precision |
| Head Style: | Large Flat Head, Recessed Drive |
| Coating: | Geomet 500B / Zinc Flake 720h SST |
Flanged Stepped Collar Studs
Precision collar studs with integrated mounting flanges for engine brackets, transmission cases, and exhaust manifolds providing solid standoff spacing.
| Strength: | Property Class 10.9 |
| Flange Diameter: | Up to 45mm Solid Forged |
| Thread: | Rolled Metric Coarse / Fine |
Dowel Pins, Clevis Pins & Pivot Shafts
Hardened and precision centreless-ground dowel pins and cross-drilled clevis pins for gearbox linkages, brake assemblies, and hydraulic cylinders.
| Diameter Precision: | m6 / h6 Ground (+0.008/-0.000) |
| Hardness: | HRC 58-62 Case Hardened |
| Cross Holes: | Burr-Free Precision Chamfered |
Special Fasteners & CNC Turned Components
High-speed CNC multi-axis turning paired with multi-station cold heading formers. We manufacture complex dimensional profiles with tight tolerances down to 5 microns (0.005mm) and surface roughness Ra < 0.4 µm.
Ultra-Precision CNC Turning & Secondary Operations
Turned bushings, stepped sleeves, precision shoulder bolts, projection weld tee nuts, threaded inserts, and 100% optical camera sorted fasteners.
Stepped Bushing Sleeves & Spacers
Flanged and stepped tubular sleeves with internal thread or reamed bore, maintaining tight concentricity and smooth bearing contact surfaces.
| Concentricity: | < 0.015mm TIR |
| Surface Finish: | Ra < 0.4 µm (Superfinished) |
| Materials: | Low Carbon Steel, EN1A, Brass, SS304 |
Precision Shoulder Bolts
Hexagonal head shoulder screws with unthreaded precision cylindrical guide shanks for pivot shafts, pulleys, bearing mountings, and die tooling.
| Shoulder Tolerance: | f9 / h8 Precision Ground |
| Property Class: | 10.9, 12.9 Alloy Steel |
| Drive: | External Hex or Internal Hex Socket |
Round Projection Weld & Tee Nuts
Circular flanged weld nuts with cold formed precision welding projections and threaded pilot spigots for seating frames and structural BIW mounts.
| Flange Style: | Circular 3-Pip / 4-Pip Projection |
| Weld Integrity: | High Push-Out & Torque-Out Strength |
| Thread: | M6, M8, M10, M12 Class 6H |
Threaded Inserts & Heavy Standoffs
Heavy-wall cylindrical inserts with internal threading and knurled or stepped exterior for cast iron, aluminum housings, and heavy electrical assemblies.
| Thread Standard: | Metric, UNF, UNC, BSW |
| Wall Thickness: | Heavy Structural Heavy-Duty Wall |
| Plating: | Zinc Nickel, Trivalent Clear Zinc |
Quality Laboratory & Testing Infrastructure
Certified IATF 16949:2016 and ISO 9001:2015 quality assurance. We operate a modern in-house laboratory equipped with calibrated optical, mechanical, and metallurgical testing instruments to verify 100% compliance.
Digital Profile Projector
High-magnification non-contact optical comparator for thread pitch, contour angle, and micro-radius measurements.
Rockwell Hardness Tester
Calibrated HRC/HRB diamond-cone indentation testing verifying core and case hardness across property classes 8.8 to 12.9.
Universal Testing Machine
High-capacity computerized tensile and proof load testing evaluating yield point, elongation, and ultimate shear rupture force.
100% Optical Sorting
High-speed glass turntable camera sorting sorting dimensions, thread pitch, and surface defects aiming for a 0 PPM defect rate.
Request a Custom Quote or Engineering Consultation
Whether you need catalog standard DIN/ISO/ASME fasteners or custom engineered cold forgings from 2D/3D blueprints, our technical engineering team provides fast turnaround with competitive pricing and PPAP Level 3 documentation.