OneMonroe provides custom manufacturing solutions to clients throughout the world. We can manufacture built-to-order parts, custom products and offer a wide variety of options to solve your problem. We can support high volumes and short-lead times.

Monroe Engineering Products is a full-service manufacturer of fabricated metal assemblies and hardware. We offer a diverse product line of off-the-shelf hardware and can custom manufacture our entire product lines to match your needs. We do vendor-managed inventory (vmi) on low-cost hardware items and manage larger fabrication programs from blueprint to delivery.

With a wide range of sizes and configurations available, OneMonroe's Heavy-Duty Hinges cater to diverse needs, offering flexibility and customization. Whether it's for heavy machinery or access panels, these hinges provide secure and seamless functionality, making them indispensable for businesses seeking durability and performance. Series Explanation

OneMonroe is the aluminum piano hinge specialist, offering a large selection of standard and custom aluminum continuous hinges for a wide range of industrial and commercial applications. Our aluminum piano hinges are designed for reliable performance, lightweight durability, and smooth operation, with most styles capable of opening a full 270°. Brass and stainless steel pins are also available upon request to meet specific application requirements. For additional hinge information, browse our hinge guides.

OneMonroe can manufacture specialty aluminum piano hinges to exact customer specifications, including custom hole patterns depending on quantity requested. To ensure proper pin rotation, hinge lengths should remain a multiple of knuckle length. Additional resources including the Series Explanation are available, along with related options for Aluminum, Stainless Steel, Cold Rolled Steel, and Mil Spec hinges.

OneMonroe is the steel piano hinge (steel continuous hinge) specialist. We have a large selection of standard piano hinges and can manufacture any variety of specialty piano hinges to suit your needs. If piano hinges are what you are looking for, Monroe can supply your business. With short lead times and strong in-stock position, We're on it. All of our steel piano hinges (except stop hinges) open a full 270°.  Holes can be added depending on  quantity requested. For additional information on hinges, please call us or browse our hinge guides

OneMonroe is the cold rolled steel piano hinge specialist, offering a large selection of standard and custom continuous hinges for industrial and commercial applications. Our cold rolled steel piano hinges are designed for dependable strength, smooth operation, and long service life. Holes can be added depending on quantity requested, and additional information is available through our hinge guides.

OneMonroe can manufacture specialty piano hinges to exact customer specifications, with options including brass and stainless steel pins upon request. Most piano hinges, excluding stop hinges, open a full 270°, and custom ordered hinges are typically delivered within 2 to 6 weeks. To ensure proper pin rotation, hinge lengths should remain a multiple of knuckle length. Additional resources including the Series Explanation are available, along with related options for Aluminum, Stainless Steel, Cold Rolled Steel, and Mil Spec hinges.

We offer every variety of mil-spec hinges. Including the MS 20257 series, MS 35821/35831, MS 2001, AA 55589, MS 20253 Pins and AA 55486 pins. We can supply special and specific hole patterns and special lengths. Military-spec hinges are commonly used in the Aerospace and Government industries.

 Keyword variations: mil spec hinges, military specification hinges, milspec hinges. Identification impression are available at an additional cost. For additional information on hinges, please call us or browse our hinge guides

OneMonroe proudly introduces an expanded line of hinges with holes, designed to meet diverse application needs across various industries. These hinges are available in a range of open widths, lengths, materials, and finishes, ensuring we have the perfect hinge to suit your specific requirements. Manufactured in the USA we are committed to quick turnaround times, with most orders ready to ship within 24-48 hours, depending on the quantity requested. Our hinges are crafted to high standards, ensuring durability and reliability.

Each hinge is available with a Certificate of Conformance upon request, affirming its quality and compliance with industry standards. Whether you are in construction, manufacturing, automotive, or any other sector requiring dependable hinging solutions, our hinges with holes are an excellent choice.

OneMonroe’s electrogalvanized hinges are meticulously crafted to provide durability, corrosion resistance, and long-lasting performance across a wide range of industrial and commercial applications. Ideal for industries such as construction, manufacturing, automotive, and marine, these hinges deliver reliable operation while enhancing the appearance and functionality of doors, gates, cabinets, and equipment.

Manufactured using a specialized electroplating process, these hinges feature a uniform zinc coating that improves resistance to rust and corrosion, even in harsh environments. Available in a variety of sizes and configurations, OneMonroe’s electrogalvanized hinges provide smooth, stable operation and dependable performance for both indoor and outdoor applications requiring strength, reliability, and extended service life.