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30 Articles

hinge specification ×

When a 6-Inch Hinge Is the Right Call: Oversized Hinges on Heavy Commercial Doors Explained

Why the Hinge Size on a Heavy Door Is a Structural Decision, Not a Catalog Upgrade This article is for commercial contractors, facility managers, and specifiers who have faced a door that keeps saggin...

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Aug 30, 2026 Our Blog

304L vs. 316 Stainless Steel Hinges: Choosing the Right Grade Before the Building Envelope Matters

Why Stainless Steel Grade Is a Spec Decision, Not a Finish Decision This article helps contractors, facility managers, and architects understand when Type 304L stainless steel hinges are adequate for ...

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Aug 17, 2026 Our Blog

When the Hinge Pin Is the Security Risk: Plain Bearing Hinges on Outswing Doors and the NRP Decision

The Problem Nobody Notices Until After the Break-In On most commercial doors, the hinge is an afterthought. You specify the lock, the closer, the exit device, and the hinge just fills the remaining li...

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Aug 16, 2026 Our Blog

Residential Weight Butt Hinges on Light Commercial Doors: Where the Grade Line Gets Crossed

What This Article Covers and Who It Helps This guide is for facilities managers, commercial subcontractors, and architects who have encountered a door that looks fine on paper but starts failing withi...

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Jul 27, 2026 Our Blog

Fire Pin Assemblies in Steel Hinges: What They Do, When They Matter, and How to Confirm the Opening Is Covered

What This Article Covers This guide explains what a fire pin assembly is inside a steel butt hinge, why it exists, which openings require it, and what facility managers, contractors, and specifiers sh...

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Jun 30, 2026 Our Blog

Plain Bearing vs. Ball Bearing on a Standard Commercial Butt Hinge: When the Cheaper Option Costs More Over Time

What This Article Covers This guide is for commercial contractors, facility managers, and project architects who are deciding between plain bearing and ball bearing butt hinges on standard 1-3/4 inch ...

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Jun 6, 2026 Our Blog

Mixed-Corner Spring Hinges: Why One Square Leaf and One Radius Leaf Exists — and When You Actually Need It

What This Article Covers This guide explains why spring hinges are sometimes manufactured with one square-corner leaf and one radius-corner leaf — a configuration that confuses ordering teams and caus...

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May 15, 2026 Our Blog

Ball Bearing Hinges on Doors with Closers: Why the Bearing Type Is Not Optional

The Short Answer: A Closer Changes Everything About the Hinge This article is for contractors, facility managers, and specifiers who are choosing or replacing hinges on commercial doors equipped with ...

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Apr 23, 2026 Our Blog

Heavy-Weight vs. Standard-Weight Hinges: The Specification Decision That Gets Made Too Late on Commercial Projects

Why Hinge Weight Class Is a Specification Decision, Not a Purchasing Detail This guide is for commercial contractors, facility managers, and architects who need to understand when a heavy-weight conce...

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Apr 23, 2026 Our Blog

The 3-Knuckle Concealed Bearing Hinge: When Streamlined Appearance and Commercial-Grade Performance Have to Coexist

What This Guide Covers When a door schedule calls out a 3-knuckle concealed bearing hinge, two questions usually follow: Does the reduced knuckle count change anything structurally? And why does a spe...

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Apr 23, 2026 Our Blog

Non-Ferrous Heavy Weight Hinges: When Base Material Changes the Specification

What This Guide Covers and Who It Helps When a door schedule calls for a heavy weight ball bearing hinge in a 4-1/2 x 4-1/2 size, most specifiers default to steel. That works for the majority of comme...

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Apr 23, 2026 Our Blog

Concealed Bearing or Ball Bearing in a 5x4-1/2 Hospital Tip Hinge: How the Bearing Choice Affects Cleanability and Cycle Life

What This Guide Covers -- and Who It Helps When you spec a 5 x 4-1/2 hospital tip hinge for a heavy commercial door, you are making at least three decisions at once: tip style, hinge size, and bearing...

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Apr 23, 2026 Our Blog

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