GLOBAL SOURCING FOR CUSTOM MANUFACTURED FASTENERS AND PARTS


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All parts are inspected at the manufacturing facility prior to shipping, and re-verified upon arrival at one of our Distribution Centers. Our supply chain management experience ensures product will be delivered on time. Call us now at 714-676-8200 to see how Tengco can help your supply chain run more efficiently. Our staff of experienced engineers can help answer your most technical questions. You can also email us at sales@tengco.com for a quote.

Utilities    View Product Samples
Products can be manufactured to meet any specification, including IEEE C135.1-1999.

Steel Building Construction    View Product Samples
Tengco is a major outsourcing supplier of Eyebolts, Hex Nuts & Washers for the steel building industry. We also distribute specialty castings including Hillside Washers and our newest product the Flanged Hillside Washer.

Concrete Construction    View Product Samples
including Coil Nuts and Bolts
From Hex Coil Nuts to Cast Rod Clamps to Rebar Couplers, Tengco understands the specialized needs of the Concrete Construction industry. We custom manufacture to your exact specifications and designs and can provide innovations to deliver a higher level of standardization for your Concrete Accessory requirements.





Tengco provides hardware products and fasteners for many industries including Utilities, 18 Wheel Truck & Automotive, Concrete & Steel Building Construction, Dry & Wet Tank Storage, Mining, Rail Car, Farm Implements and OEMs.
Call us at 714-676-8200 for pricing.
18 Wheel Truck and Automotive Parts    View Product Samples
Tengco is a major supplier of custom manufactured automotive fasteners. We can supply custom cold headed bolts, nuts, screws and washers. Our higher level quality manufacturers can supply all levels of PPAP documentation during the first article sample approval process. These manufacturers can make sophisticated tooling to make the most complicated cold formed part.
- Bolts and Nuts
- Pins
- Yokes and Yoke Assemblies
- Screws
- Washers

Cold headed fasteners and special hot forged products
Parts manufactured to ANSI, SAE standards

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Dry & Wet Tank Storage    View Product Samples
- Square and Hex Machine Bolts
- Square and Hex Nuts
- Flat and Split Lockwashers
- Rubber Bonded Washers
- Hex Nut
- Square Bolt
- Rubber Bonded Washers

FDA Certified Fin-necked encapsulated bolts are our specialty
Parts manufactured to ANSI, SAE standards

Mining    View Product Samples
Tengco supplies specialized custom castings, forgings for both new construction and maintenance of the mine shafts. We can handle virtually any special part required for your application. All parts are engineered to ASTM F432 requirements with rigid quality controls and inspections to ensure precise specification compliance.
- Spherical Washers
- Round Stop Nut Couplers
- Hot Forged Nuts
- Leaf Bail Assemblies
- Cable Heads
- Wedges

Rail Products    
Tengco supplies a wide variety of castings & forgings and track fasteners.
- Square and Hex Machine Bolts
- Rail-to-Tie
- Rail-to-Rail
- Cam Plates
- Joint Bars
- Screw Spikes
- Forged Jaws
- Track Bolts
- Custom Castings, Forgings and Stampings
- Components used in Rail Assemblies

All Parts manufactured to American rail standards

Original Equipment Manufacturers    View Product Samples
Tengco supplies custom castings, forgings stampings and a extensive list of custom manufactured fasteners for Original Equipment Manufacturers. We supply products for a wide variety of applications including axles, batteries, boat trailers, transformers, hose clamps and truck brakes to name just a few. Tengco can supply virtually any special formed metal part required for your application. Our extensive quality control and inventory management experience ensures that you get the right parts on time, every time.

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