McCoy 3D Hinges for uPVC Casement Doors
- Prem Kumar
- Jun 26
- 3 min read

As is the case with any door, the hinges used on a uPVC casement door determine how well the door operates and its life cycle. A well-known brand in this industry is McCoy Door Hardware, which offers three models of 3D Hinges available specifically to differing load requirements and installation parameters. This article will discuss two models from McCoy, namely DH-1 and DH-3, so that you can make an informed decision as to which hinge will suit your bespoke requirements the best.
Using 3D Hinges With uPVC Casement Doors

As their name indicates, 3d hinges provide adjustment in all three axes, vertically, horizontally, and depth-wise, making them extremely useful, versatile components for UPVC doors. Three-dimensional adjustability guarantees that these doors are always operational, irrespective of the building settlement, which may happen over time after construction or changes during post-installation work. It can be adjusted without the help of any specialist.
McCoy DH-1: The Versatile Performer
The McCoy DH-1 exemplifies an ideal combination of strength, adjustability, and dependability for standard casement door operations.

Key Specifications:
Load Capacity: 90 kg per 4 hinges
Body Design: Square-shaped zinc alloy construction
Coating: Corrosion-resistant protective layer of 250µm
Axle: Stainless steel provides a longer service life
Adjustment Capabilities:
The DH-1 offers exceptional flexibility with its comprehensive adjustment range:
Vertical Adjustment: Inset with up to 5mm clearance from the frame's base
Horizontal Adjustment: ±5mm offset from the sash front
Depth adjustment: 17.5mm base depth difference, adjustable by +2.5mm from the sash top and -2.5mm
McCoy DH-3: The Heavy-Duty Champion
The McCoy DH-3 is the premium choice of this lineup for extreme strength adjustable applications.

Key Specifications:
Loading capacity: 120 kg per 4 hinges, the highest value in the range
Body design: Semi-circular shaped zinc alloy, which provides greater strength
Coating: 250µm thickness offers stronger protection compared to other coatings
Axle: Made of steel, guaranteeing its endurance against any forces
Adjustment Range Overview:
Among other products in our range, the DH-3 possesses the most thorough adjustment capabilities:
Vertical adjustments: Up to 6mm from the bottom of the frame, plus an additional 2mm from the top of the sash
Horizontal Adjustment: ±5.5mm from the front end of the sash and another 2mm from its top
Depth adjustment: Ranges between 14.9mm to 16.6 mm, yielding a total adjustable range of 5.7mm with frame packers included
Commercial and Industrial Applications:
The preferred option for uPVC doors for commercial buildings, industrial facilities, and high-end residential projects is the DH-3 because of its larger load capacity, along with a wider range of adjustment as compared with other brands. Alongside other benefits, its robust construction provides dependable functionality for doors that are frequently used in commercial facilities.
Common Benefits Across All McCoy 3D Hinges
Durability and Corrosion Resistance
Like all McCoy 3D hinges, these offer zinc alloy bodies with coating at much greater than industry standard levels, which makes them resistant to corrosion and other environmental factors. Coupled with stainless steel axles, it adds to the claim that hinges are durable by ensuring smooth operational flow even during tough conditions.
Feature | McCoy DH-1 | McCoy DH-3 |
Load Capacity (per 4 hinges) | 90 kg | 120 kg |
Vertical Adjustment | 5mm | 6mm (bottom) |
Horizontal Adjustment | ±5mm | ±5.5mm (front), ±2mm (top) |
Depth Adjustment | ±2.5mm | Up to 2.7mm with packers |
Hinge Body Design | Square | Semi-Circular |
Fixing Screws | M6x40mm | M6x40mm |
Corrosion Resistance | High (250 µm) | High (250 µm) |
Warranty | 10 Years* | 10 Years* |
Best Practices For Installation
Regardless of which McCoy 3D hinge you choose, proper installation will always ensure optimal performance. Adhere to the manufacturer's specifications on dowel pin placement; use the supplied screws, and fully utilize any provided adjustments to guarantee precise door alignment.
Packers supplied with each hinge set allow frame depth compensation that ensures your casement doors operate smoothly regardless of profile variations.
McCoy's 3D hinge range for uPVC casement doors is a leap forward in engineering achievement within door hardware. McCoy 3D hinges on uPVC casement doors, ensuring smooth operation for years and reliability alongside superior resistance to corrosion and sturdy construction.
An investment in quality 3D hinges pays off with every door installation. Reduced maintenance demands, enhanced security, improved energy efficiency, and elevated user experience all contribute to the total value proposition. The McCoy 3D hinges will outperform their investment when weighed against the expenditures on adjustments, service calls, and hardware replacements linked to substandard parts.
For door manufacturers, contractors, and architects, the choice of McCoy 3D hinges is marked by excellence, which will definitely be appreciated and remembered by customers. The comprehensive range offers something for everyone, from residential projects to more challenging commercial installations.
For inquiries or orders, Contact:
📧 Email: order@mccoygroup.in
📱 Phone: +91-8010434434
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