Square Single Hole 0 Degree Shower Glass Clamp JC-112
Source the premium Square Single Hole 0 Degree Shower Glass Clamp (JC-112). Made of quality 304 stainless steel in polish, satin, or custom black finishes. Designed for 8-12mm frameless tempered glass, offering rustproof durability for luxury hotels and coastal homes.
In modern bathroom design, frameless glass partitions are highly favored for their transparency and minimalist aesthetics. To ensure the safety and stability of these heavy-duty tempered glass panels, we introduce the JC-112 Square Single Hole 0 Degree Glass Clamp. This hardware is not just a core support component connecting the wall to the panel; it is a crucial detail that elevates the overall texture of your space.
Core Technical Parameters
To meet the rigorous standards of professional contractors and architects, the JC-112 offers precise specifications:
Model: JC-112
Structure: Square single-hole 0° wall-to-glass / glass-to-glass connection.
Main Material: Available in quality 201# and 304# stainless steel (304# is highly recommended for coastal and high-humidity environments).
Surface Finish: Polish (mirrored effect), Satin (brushed texture), Matte Black, with customizable colors available for specific project needs.
Scope of Application: Specifically designed for 8mm to 12mm toughened glass doors and fixed panels.
Dimensions: Total length 45mm, clamping width 29mm, hole distance 19mm, with a reserved 3mm safety buffer gap.
When selecting enclosure hardware, the market is flooded with zinc alloy or low-grade steel alternatives. Our JC-112 demonstrates overwhelming superiority in several dimensions:
Authentic Material vs. False Claims: Low-priced brackets on the market often use hollow zinc alloy or low-grade steel with high carbon content, which easily blisters and rusts within six months. We commit to using solid cast stainless steel. Our 304 series, in particular, possesses exceptional resistance to chlorides and oxidation.
Clamping Force & Internal Structure: Competitors often use cheap plastics for internal gaskets that age quickly. The JC-112 is equipped with industrial-grade anti-slip rubber gaskets. Combined with the precise 3mm reserved gap, it evenly distributes pressure during tightening, preventing the panel from shattering due to localized stress.
Finish Longevity: The electroplating on ordinary products tends to peel off in damp environments. Our satin and polish finishes undergo multiple physical polishing processes, while the black version utilizes high-temperature baking or PVD technology to ensure it remains fade-resistant for years.
In the Caribbean nation of Grenada, particularly around its capital St. George's, the year-round high temperatures, heavy humidity, and salt-laden sea breezes pose a fatal test to architectural hardware.
Case 1: Luxury Oceanfront Villas in Lance aux Epines
In a newly constructed luxury villa project in Lance aux Epines, designers faced the pain point of metal components being easily corroded by sea air. They opted for our 304 stainless steel satin finish JC-112 brackets. The lead contractor reported: "The villas are less than 50 meters from the coastline, making salt spray corrosion our biggest enemy. This batch of square brackets not only perfectly matched our minimalist frameless design, but more surprisingly, after surviving a full rainy and hurricane season, the finish remained as bright as new without a single rust spot. Its grip is incredibly strong, keeping the heavy storm-proof glass steady as a rock."
Case 2: Boutique Resort at Grand Anse Beach
During the renovation of a boutique hotel right next to the famous Grand Anse Beach, the guest bathrooms were fully upgraded with frameless partitions. The hotel engineering manager shared: "The texture of this custom matte black hardware seamlessly blended with our modern tropical interior design. As a highly utilized hotel facility, after a year of intense daily use, the fittings remain firmly in place without any loosening. It has significantly reduced our daily maintenance costs, and guests frequently compliment the premium feel of the washrooms."
Standardized Installation Guide
To ensure absolute system safety, please have professionals follow these steps for installation:
Precise Positioning: Place the bracket base flat against the wall or reference surface. Use a level to ensure a 0-degree vertical alignment and mark the drilling hole with a marker.
Drilling & Embedding: Use an appropriate drill bit for your wall material and insert a high-strength expansion anchor.
Base Fixation: Securely lock the hardware base to the wall using a countersunk screw.
Glass Insertion: Apply the anti-slip rubber gaskets to the contact surfaces of the 8-12mm toughened panel, and carefully push the edge into the U-shaped groove.
Final Tightening: Use an Allen wrench to alternately tighten the side set screws to ensure even pressure distribution.
While the JC-112 is ideal for stationary panels, a perfect architectural space requires a coordinated system. For complex building facades or large atrium glazing, you might want to explore our Spider Routel systems. Inside the bathroom, the functionality of the moving door is just as important as the fixed sections. You can pair this with our premium Shower Door Pivot for smooth swinging action, or choose a Shower Door Roller / Sliding Roller to create a space-saving sliding mechanism. To further enhance the structural integrity of the upper section, we highly recommend adding a Shower Door Support Bar / Stabilizing Bar for wide panels to build the most robust defense.

Frequently Asked Questions
Q: Is this bracket only used for bathrooms?
A: While it is primarily designed as a frameless enclosure fitting, its excellent rustproof performance and minimalist square design make it equally suitable for commercial office partitions, stair railing side mounts, and other indoor/outdoor applications.
Q: What is the difference when using 8mm versus 12mm panels with this clamp?
A: Our product comes standard with adjustable gaskets of varying thicknesses. When using an 8mm panel, thicker gaskets are inserted to fill the gap; for a 12mm panel, thinner gaskets are used. This ensures the hardware provides the exact same biting force across the specified thickness range.
Q: Which material should I choose for coastal cities?
A: We strongly recommend choosing 304# stainless steel. While 201# performs well in dry inland areas, 304# contains higher levels of nickel and chromium, which effectively resist the oxidation reactions caused by salt spray and moisture.
Q: How should I clean and maintain it daily?
A: Avoid using cleaners containing strong acids, alkalis, or abrasives. Simply wipe with a soft, damp cloth using mild soapy water, then dry with a clean towel to keep the satin or mirrored effect shining.
For more installation tutorials and product showcases, please visit our YouTube channel for video guidance: https://www.youtube.com/channel/UC3Lo3jsy1LWw0fH03FHZFug














