Flush Bolt
Manufactured in Taiwan by Well Laud Mfg Corp, the Flush Bolt 3002 is a high-precision, manual recessed bolt solution specifically engineered for the inactive leaf of metal double doors. Designed exclusively for 3 mm thick hollow metal doors, this traditional-style bolt is not suitable for timber or solid-core door applications. Its concealed installation ensures precise door alignment and enhanced security while maintaining a clean, professional aesthetic for commercial and institutional environments such as offices, schools, and hospitals. Featuring a durable zinc alloy body and robust steel components, this recessed bolt provides reliable, long-lasting performance. It is an ideal choice for builders, OEMs, and door manufacturers who require a discreet, heavy-duty locking solution for specialized hollow metal door profiles.
Key Features
- Concealed Design: Flush installation into the door edge of 3 mm thick hollow metal doors ensures a neat appearance and reduces the risk of tampering.
- Consistent Locking: 18 mm bolt stroke ensures secure engagement with head and floor strikes.
- Face Options: Available in Flat or Radius designs to accommodate various metal door profiles.
- Precision Adjustment: Features a 40 mm adjustment range for the rod to ensure a perfect fit during installation.
- Durable Construction: High-quality die-cast zinc alloy body paired with steel internal components and a plastic tip for smooth engagement.
- Adjustable Rod Lengths: Multiple steel rod lengths available for top and bottom throws to suit different door heights.
- Complete Hardware Pack: Includes a comprehensive screw pack (1 nut, 2 screws) for efficient and easy installation.
Technical Specifications
- Face type: Flat or Radius
- Size: 146 mm (L) × 23 mm (W)
- Bolt stroke: 18 mm
- Adjustment Range: 40 mm rod adjustment for precise fitting
- Material: Die-cast zinc alloy body; steel bolt with a Plastic Tip
- Finish: Liquid Painting or Satin Chrome
- Rod length: Various steel rod lengths available
- Net weight: 144 g per set (without rod)
- Country of origin: Taiwan
Applications & Compatibility
- Secures the inactive leaf of double doors in commercial, institutional, and public settings.
- Designed for manual operation to secure the inactive leaf of 3 mm thick hollow metal double doors.
- Perfect for commercial, institutional, and residential buildings requiring a reliable, recessed locking point for non-emergency doors.
- Maintains clean door aesthetics while providing top and bottom locking for safety and stability.
- Provides top and bottom locking points to prevent door warping and ensure precise structural alignment.
Installation Guidelines
- Door Thickness & Material: Designed exclusively for 3 mm thick hollow metal doors; ensure the internal cavity is clear of obstructions.
- Prepare door edge: Machine or route a pocket measuring 110 × 23 mm.
- Drill: Drill two mounting holes with a center-to-center distance of 129 mm.
- Select face type: Flat or radius to match door edge profile.
- Pre-assembly Tip: Pre-assemble the steel rods to the bolt body and secure them with the supplied nut after adjusting the length.
- Install flush bolt body: Insert the pre-assembled unit into the pocket and secure it using the supplied screws.
- Install head/floor strikes (FB-01): Optional: If strikes (FB-01) are used, align them with the 18 mm bolt stroke to ensure secure engagement.
- Test operation: Cycle the bolt several times to verify smooth movement and secure locking within the hollow structure.
Packaging & Delivery
- 1 set per PE bag; 10 sets per inner box; 10 boxes per master carton (Total 100 sets/carton)
- Each set includes: Flush bolt body, steel rod with plastic tip, and a comprehensive screw pack (strikes FB-01 are optional/sold separately).
- Standard lead time: 50 working days after deposit
- Special packing requests are supported for projects or distributor needs
Why Choose Flush Bolt 3002
- Concealed recessed bolt design preserves door aesthetics.
- Reliable zinc alloy body with a robust steel bolt ensures long-term operational stability.
- Specifically engineered for 3 mm hollow metal doors with flexible Flat/Radius faceplate options.
- Manufactured, and quality-tested in Taiwan to meet professional hardware standards.
- Decades of expertise in flush bolt manufacturing with full technical support.
Common Questions
- Metal door compatibility: Optimized for 3 mm thick hollow metal doors; ensure correct mortise prep for the 110 x 23 mm body.
- Longer rods: Customizable steel rod lengths are available for taller doors or specific project requirements.
- Panic device compatibility: As a manual bolt, it is suitable for non-emergency inactive leaves and should not be used as a primary fire egress device.
- Strike selection: Strikes are optional (sold separately). If used, ensure alignment with the 18 mm bolt stroke.