In large-scale commercial developments, agricultural units, and high-end bespoke builds, standard security hardware often lacks the necessary proportions. The 900mm Architectural Strength Barrel Bolt is specifically designed for high-clearance doors, warehouse entries, and heavy timber gates where a significant vertical reach and a massive bolt diameter are required to counteract door warping or forced entry attempts.
Forged from Grade 304 Stainless Steel (SS304), this 900mm Architectural Strength Barrel Bolt features an ultra-thick barrel and a heavy-gauge solid shoot. The 900mm length is functionally essential for tall doors; it allows the operator to engage the bolt at the very top or bottom of a frame from a comfortable standing position without the need for steps or excessive reaching. Finished in premium Satin Stainless Steel (SSS), 900mm Architectural Strength Barrel Bolt provides a sleek, industrial aesthetic that is naturally resistant to the pitting and corrosion found in exposed or coastal environments.
Why the 900mm Heavy Barrel Bolt is the Professional Choice
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Extreme 900mm (35″) Reach: Perfect for securing the top of extra-high doors or the base of heavy exterior gates while standing upright.
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Reinforced Shoot Diameter: Features a massive solid steel bolt that provides industry-leading shear strength against high wind loads or mechanical forced entry.
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Grade 304 Stainless Steel Construction: Naturally rust-proof and fire-rated, making it suitable for plant rooms, fire exits, and luxury perimeter gates.
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Architectural Precision: Designed with a smooth-glide internal mechanism that prevents the heavy bolt from dropping or rattling when in the retracted position.
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Ergonomic Heavy-Duty Grip: The oversized knob is designed for high-torque operation, allowing for easy sliding even if the door has settled or the frame has shifted slightly.
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Versatile Strike Options: Supplied with a range of sockets, including a flat plate for timber frames and a deep floor-mounted socket for concrete or stone thresholds.
Technical Specifications of 900mm Architectural Strength Barrel Bolt
| Feature | Specification |
| Total Length | 900mm (Approx. 35 Inches). |
| Bolt Diameter | 16mm – 19mm (Ultra-Heavy Profile). |
| Material Build | Grade 304 Stainless Steel (SS304). |
| Finish | Satin Stainless Steel (SSS). |
| Fixing Type | Surface Mounted (Heavy-Duty Security Screws Included). |
| Suitability | Industrial Gates, Plant Rooms, and Grand Entrances. |
Professional Installation for Maximum Durability
Because of its significant size and weight, the 900mm Architectural Strength Barrel Bolt requires precise fitting to ensure lifelong reliability:
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Plumb Alignment: Use a long spirit level or laser level to ensure the barrel is perfectly plumb. Over a 900mm length, any slight deviation will cause the shoot to bind against the guides, leading to unnecessary wear.
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Structural Fixing: This bolt is often fitted to heavy, solid-core doors. Always drill deep pilot holes to ensure the screws bite into the structural grain of the timber rather than just the surface veneer.
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Threshold Clearance: When installing as a floor bolt, ensure the floor socket is cleared of debris. For exterior gates, we recommend a “dust-proof” floor socket to prevent grit from obstructing the long throw.
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Compression Setting: When marking the “locked” position, allow for 2mm to 3mm of movement. Large timber doors expand and contract significantly across their height; a small amount of “play” ensures the bolt can always be thrown.
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Bi-Annual Maintenance: Wipe the stainless steel with a specialized cleaner to remove surface contaminants and apply a dry PTFE lubricant to the shoot to maintain that effortless architectural glide.
The Ultimate Deterrent for High-Clearance Openings
The 900mm Architectural Strength Barrel Bolt is the hardware solution for projects that demand “over-engineered” peace of mind. It combines massive physical strength with a clean, professional finish. By choosing a 900mm SS304 bolt, you are ensuring that even the most imposing doors remain perfectly aligned and impenetrable, year after year.
Secure large doors, gates, and shutters with this 900mm Architectural Strength Barrel Bolt, designed for maximum strength and long-lasting durability. Crafted from high-quality materials, this 900mm Architectural Strength Barrel Bolt ensures reliable locking and smooth operation, making it ideal for both residential and commercial applications. Its substantial size and heavy-duty construction provide superior security while maintaining an elegant architectural appearance.
Installation is quick and hassle-free, suitable for both professional installers and DIY enthusiasts. Built to withstand frequent use and harsh conditions, this 900mm Architectural Strength Barrel Bolt offers unmatched reliability and peace of mind. Enhance your security hardware with this robust and stylish solution that combines functionality, sturdiness, and architectural charm.























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