High-Strength OEM & Industrial Bolts
We manufacture a full range of high-performance bolts designed for strength, precision, and reliability. Our cold-formed bolts are used in industries such as automotive, construction, heavy equipment, military & defense, and recreational equipment, where safety and performance cannot be compromised. From standard carriage bolts to custom bolt solutions, we deliver fastening products that meet the highest quality standards.
Carriage Bolts
Hex Flange Bolts
Shoulder Bolts
Plow Bolts
Plow bolts are specialized fasteners designed for use in high-impact, heavy-duty environments, typically found in agricultural, construction, and industrial applications.
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Tap Bolts
Custom Bolts
you’re working with the best.
Over 45+ Years in Business
Custom Application & Engineered In-house
Expanded Testing Services to Ensure QA
Carriage Bolts
Carriage bolts have smooth, rounded heads with a square neck that locks into place, ideal for wood-to-metal connections and applications where a flush, tamper-resistant finish is required.
Hex Flange Bolts
Bolts with an integrated washer flange for greater load distribution and resistance to loosening under vibration. Available in multiple grades for different strength requirements:
- Grade 5 – Medium strength, ideal for automotive and general industry.
- Property Classes 8.8 - 10.9 – Manufactured to international metric standards.
- Grade 8 – High-strength bolts for heavy-duty applications.
Shoulder Bolts
Also known as stripper bolts, these fasteners feature a precision-machined shoulder, making them ideal for use in pulleys, pivot points, and linkages.
Plow Bolts
Countersunk bolts designed for agricultural and construction equipment. Their flush heads reduce wear and provide a strong, durable connection.
Tap Bolts
Fully threaded bolts designed to be inserted directly into tapped holes. Commonly used in automotive and machinery applications.
Custom Bolts
When standard options aren’t enough, we will manufacture custom bolts to your specifications, ensuring the right material, head style, length, and finish for your application.
Industries We Serve
- Automotive – Engine components, chassis fasteners, suspension hardware.
- Construction & Infrastructure – Structural assemblies, heavy equipment.
- Agricultural & Industrial Equipment – Durable plow bolts, tap bolts, and custom solutions.
- Military & Defense – High-strength fasteners for mission-critical performance.
Why Valley Fastener?
As a bolt manufacturer, we know that your reputation depends on the quality and performance of our bolts. We have nearly 50 years in business as a supplier for major OEMs covering diverse market sectors including automotive, electrical, appliance, recreational, agricultural, military & defense, furniture, energy, and household goods. Valley Fastener is one of the largest fastener manufacturers in North America with an international distribution network allowing us to control quality from design through delivery. Let our manufacturing expertise guide your product design to ensure you’re getting the best solution for your fastening needs.
Contact one of our rivet experts today to answer any questions or for a detailed quote.