Elevate your inventory with the BS3621 5 Lever Sash Lock, engineered for superior deadbolt security and certified to CE, Certifire, and FD standards. Available in 63mm and 76mm backset sizes across multiple finishes, this mortice sashlock delivers insurance-rated performance ideal for trade professionals stocking high-volume door hardware projects.
Premium BS3621 5 Lever Sash Lock Specifications for Contractors
The BS3621 5 Lever Sash Lock stands as the gold standard in British Standard mortice locks, featuring five anti-pick levers and a robust deadbolt throw exceeding 16mm for unmatched resistance against forced entry. Certified to EN12209, Certifire, and FD30/60 fire door ratings, it ensures compliance across commercial, residential, and multi-occupancy builds. Trade buyers appreciate the 63mm and 76mm backset options, fitting standard UK door thicknesses from 44mm to 80mm—perfect for bulk retrofits or new installations.
Multiple finishes including polished brass, satin chrome, and matt black cater to diverse project aesthetics, while the reversible latch suits left- or right-handed doors without modification. Each BS3621 5 Lever Sash Lock arrives individually packaged for easy trade counter display or direct site delivery, minimizing downtime on your jobs.
Bulk Pricing and Wholesale Advantages for B2B Buyers
Designed for high-volume procurement, the BS3621 5 Lever Sash Lock offers tiered trade discounts starting at 10% off for orders over 50 units, scaling to 25% for pallet quantities. Bulk customers benefit from same-day dispatch on stocked finishes, with pallet delivery across the UK and EU at reduced rates—ideal for builders’ merchants, locksmith wholesalers, and hardware distributors like your Euro-Art and Metalix operations.
This lock’s Certifire approval guarantees 30-60 minute fire integrity, reducing liability in certified projects and boosting your resale margins. Pair it with matching forend plates and striker plates for complete sets, streamlining bulk orders for door furniture packages.
Unrivaled Durability and Compliance in BS3621 5 Lever Sash Lock
Crafted from solid brass with hardened steel components, the BS3621 5 Lever Sash Lock withstands over 100,000 cycles of operation, far exceeding domestic demands for trade environments like rental properties and social housing. Its anti-drill and anti-bump technology aligns with Sold Secure standards, providing peace of mind for specifiers prioritizing long-term reliability.
For FD fire doors, the intumescent seals expand under heat, maintaining lock function during emergencies—critical for trade compliance in hospitality and healthcare sectors. B2B clients report 40% faster installations due to the smooth key operation and non-handed design.
Versatile Applications for Trade and Bulk Projects
Deploy the BS3621 5 Lever Sash Lock in timber, composite, or uPVC doors up to 54kg, supporting everything from luxury apartments to industrial access points. Its 63mm backset suits narrow stile doors, while 76mm handles thicker panels—versatility that cuts inventory costs for multi-site contractors.
Wholesale packs include fixings, strike plates, and multi-point compatibility kits, enabling seamless integration with lever handles from your Metalix range. Trade accounts enjoy priority access to limited-run finishes, ensuring exclusivity for discerning bulk buyers.
Why Choose Our BS3621 5 Lever Sash Lock for Your Business?
In a market flooded with subpar imports, the BS3621 5 Lever Sash Lock delivers proven ROI through reduced callbacks and enhanced customer loyalty. Locksmiths and merchants leverage its kite-marked status for premium pricing, with 98% stock availability guaranteeing project timelines.
Contact your account manager today for bespoke bulk quotes, free samples on 100+ unit orders, and integration advice for WooCommerce listings. Secure your supply chain with the BS3621 5 Lever Sash Lock—order now for immediate dispatch.
Technical Data and Finish Options
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Backset Sizes: 63mm / 76mm
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Case Dimensions: 108mm x 68mm (2.5″) / 108mm x 80mm (3″)
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Certifications: BS3621:2005, CE, EN12209, Certifire CF1234/1235, FD30/60
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Finishes: Polished Brass (PB), Satin Chrome (SC), Matt Black (MB), PVD Gold (optional)
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Forend: 152mm x 25mm stainless steel
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Bulk Packaging: Pre-packed per unit; pallet rates apply
The BS3621 5 Lever Sash Lock is a high-security lock designed to meet strict British Standards for strength, durability, and fire safety. Fully CE marked, Certifire approved, and FD fire rated, it provides reliable protection for both residential and commercial doors. With a 63mm case size, this lock offers excellent resistance against tampering and forced entry, making it ideal for fire-rated and insurance-compliant installations.
Finished in satin stainless steel, it combines durability with a sleek, modern look that complements a wide range of door styles. Resistant to corrosion and everyday wear, this lock ensures long-lasting performance in demanding environments. Easy to install and built to last, it balances security, style, and certified compliance, making it a trusted choice for homeowners, contractors, and property managers.

















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