Deadbolt Cylinder
Commercial & Residential Deadbolt Cylinders: Executive Specification & Procurement Guide
Precision-machined solid brass cylinders engineered for ANSI/BHMA Grade 1 and Grade 2 deadbolt assemblies, complex master key integrations, and high-volume OEM architectural door hardware manufacturing.
Executive Overview & Rapid Specification Guide
Designed specifically for door hardware OEMs, commercial locksmith distributors, and architectural contractors who demand precise keyway tolerances, predictable master keying matrices, and verifiable anti-pick/anti-drill performance.
Base Material
Extruded Solid Brass (C36000 / CZ121) or Die-Cast Zinc Alloy (Optional).
Cylinder Configuration
Single Cylinder, Double Cylinder, Thumbturn Cylinder, SFIC / LFIC Cores.
Pin Chambers
5-Pin, 6-Pin, or 7-Pin precision security chambers.
Keyway Profiles
Schlage C, Kwikset KW1, Yale Y1, Corbin Russwin L4, Weiser, Custom Restricted Profiles.
Standard Lengths
1 inch (25.4 mm), 1-1/8 inch (28.6 mm), 1-1/4 inch (31.7 mm).
Surface Finishes
US26D (Satin Chrome), US4 (Satin Brass), US10B (Oil Rubbed Bronze), Matte Black.
Regulatory Standards
ANSI/BHMA A156.5 Grade 1 & Grade 2, UL 10C 3-Hour Fire Rated.
Keying Options
Keyed Different (KD), Keyed Alike (KA), Master Keyed (MK), Grand Master Keyed (GMK).
Cylinder Architecture & Mechanical Options
Select cylinder profiles based on lockset housing depth, tailpiece configuration, and facility access control requirements.
Standard Rim & Mortise Deadbolt Cylinders: CNC-lathed solid brass body and plug from C36000 brass bars to prevent bore elongation and plug binding under heavy daily cycle usage.
Tailpiece Configurations: Flat rigid tailpieces, breakable segmented tailpieces, and floating tailpieces manufactured in custom lengths ranging from 22 mm to 65 mm.
Cam Variations: Standard cloverleaf, straight, and modified cams designed to interface with specific ANSI mortise lock cases and deadbolt mechanisms.
Small Format Interchangeable Cores (SFIC) & Large Format (LFIC):
7-Pin SFIC configuration fully compatible with Best, Arrow, and Falcon housing architectures.
Dual-control pin stack arrangement enabling instant core extraction and re-keying in multi-tenant facilities.
Keyway Compatibility & Master Keying Integration
We supply industry-standard open keyways alongside proprietary restricted key profiles to protect authorized distributor territories.
Keyway Cross-Reference
• Standard Open Profiles: Schlage C / C-E / E, Kwikset KW1, Yale Y1 / Y2, Corbin Russwin L4.
• Restricted & Custom Profiles: Side-pin mechanical blocking systems, OEM-exclusive profile milling verified via 3D CAD, and nickel silver key blanks with custom head stamping.
Master Keying Engineering Protocols
• Zero Cross-Keying Guarantee: Each master key matrix is mathematically computed using automated pinning software to eliminate inadvertent shear line overlaps across complex hierarchies.
• Pin Stack Precision: Bottom pins, top pins, and master split pins are manufactured to a tolerance of +/-0.015 mm with radius tops to minimize key insertion friction.
• Bitting Depth Consistency: CNC key cutting machinery holds cut depth tolerances within +/-0.02 mm, preventing mechanical lockups.
Physical Security Features & Anti-Vandal Upgrades
|
Assembly Type |
Driver & Bottom Pins |
Anti-Pick & Anti-Drill Features |
|
Standard Assembly |
Brass plug, brass bottom pins, mushroom spool driver pins |
Basic spool driver pins for moderate pick resistance |
|
High-Security Anti-Drill Assembly |
Hardened stainless steel driver pins, hardened steel bottom pins, carbide face pins |
Interlocking spool/serrated drivers, tungsten carbide face pins, anti-bump architecture |
|
Anti-Pick Resistance |
Interlocking spool and serrated driver pins establish false shear lines under torque wrench tension. |
|
Anti-Drill Protection |
Insertion of two hardened tungsten carbide pins inside the cylinder faceplate and plug entry point to destroy high-speed steel drill bits. |
|
Anti-Bump Architecture |
Staggered spring tensions combined with mass-weighted anti-bumping drivers absorb kinetic energy delivered by bump keys. |
Manufacturing Quality Control & Material Verification
Every production lot undergoes rigorous physical testing to ensure reliable field installation and long-term operating durability.
Material Integrity
Spectrographic chemical testing verifies brass alloy composition (Cu >= 57%, Pb <= 3%) to eliminate brittleness in tailpiece slots.
Corrosion Resistance
Chrome and bronze electroplated finishes withstand ASTM B117 96-hour neutral salt spray exposure without pitting or surface flaking.
Cycle Performance
Rotational cycle life tested to exceed 100,000 continuous operation cycles. Key tailpiece slots withstand torsional loads up to 2.5 Nm.
Application Scenarios & Mounting Matrix
Commercial Exterior Doors
Solid Brass 6-Pin | Schlage C / Restricted Profile | Master Keyed (MK)
Residential Entrance Sets
Brass/Zinc 5-Pin | Kwikset KW1 / Schlage C | Keyed Different / KA Sets
Multi-Family Housing Units
7-Pin SFIC Core | Best Compatible | Grand Master Keyed (GMK)
Utility & Perimeter Gates
Solid Brass Anti-Drill | Custom Restricted Profile | Keyed Alike (KA)
Supplier Qualification & Production Capabilities
Monthly Production Capacity
450,000 Cylinder Assemblies.
Machining Infrastructure
4-Axis Automatic CNC Lathes & Multi-Station Rotary Transfer Machines.
Plating Standards
In-house electroplating matching BHMA 605, 606, 612, 613, and 626 specifications.
Quality Management System
ISO 9001:2015 certified production lines.
Frequently Asked Questions
Request Technical Data Sheet & Factory Quotation
Provide your keyway requirements, target finish code, keying structure, and estimated order quantity. Our engineering team will review your specifications and reply within 1 business day.
Technical Support & OEM Inquiries
Inquiry Checklist
Please attach CAD drawings, desired pin chamber count (5/6/7 pin), finish code (e.g., US26D), and keying instructions (KD/KA/MK).
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