DDDP002
D&D Hardware
Wooden Door, Metal Door, Steel Door, Interior Door, Outer Door
Stainless Steel
SSS , PSS , PVD , AB , AC , MB
T/T, L/C, D/P, Western Union
Jiangmen /Guangzhou / Shenzhen , China
200,000/Month
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The Flush Bolt Dust-Proof Socket (also referred to as a dust-proof component for flush bolts) is a specialized accessory designed to integrate with flush bolt systems in door hardware assemblies. Its primary function is to physically seal the gap between the door leaf and frame when the door is closed, creating an effective barrier against dust, smoke, and airflow. Structurally, it comprises a dust-resistant seat assembly and a fixed mounting bracket.
When the door is closed, the flush bolt’s latch tongue engages with a recess in the seat assembly, simultaneously sealing the seat against the door frame’s edge to block contaminants. Upon opening, the latch tongue retracts, and the seat assembly automatically repositions to avoid friction or wear on the door surface.
As a critical auxiliary component in flush bolt systems, this device must balance three key attributes: sealing performance to block external elements, structural stability to withstand repeated use, and compatibility with the lock mechanism to ensure seamless integration. Its design is a pivotal detail for enhancing the door’s overall protective efficiency, particularly in environments requiring airtightness or dust resistance.
For further information, please contact us.
Product Parameter | |
Product Name | Matte Black Stainless Steel Flush Bolt Dust Proof Socket for Wooden Door |
Product Model | DDDP002 |
Material | Stainless Steel |
Finish | Satin Stainless Steel, Polished Stainless Steel, Physical Vapor Deposition, Antique Brass Plated, Antique Copper Plated, Matte Black |
Suitable for Door | Wood door and Steel door |
Packaging & Shipping | |
MOQ | 500 Pieces |
Package | 1pc /poly bag,white box / color inner box,Standard export Carton . |
Sample Time | 5-7 working days |
Production Lead Time | 30-35 days normally |
Shipping Port | Jiangmen , China / Shenzhen , China / Guangzhou , China |
D&D Product
The products that we offer are tested to the most stringent international industry standards, including BS EN, CE, UL, ANSI and BHMA, Suitable for Education, Healthcare, Hospitality, Residential and Commercial applications.
More door hardware items include:
1.Door Hinge- UL 10C R38013 & BHMA/ANSI Grade1/2 & CE EN1935 Grade 13
2.Concealed Hinge- BS EN1935, EN1634 Fire Rated
3.Door Lock - CE EN12209 UKCA Fire Rated & UL 10C R40901
4. Door Handle- BS EN 1906 Grade 4, EN1634 Fire Rated
5. Panic Exit Device- UL 10C R40486 & UL305 SA45817 & CE EN1125
6. Door Closer – CE BS EN 1154 & UL 10C R40717
7. Lock Cylinder-BS EN1303, EN1634 Fire Rated
8. Door Viewer - UL Listed UL 10C Fire Rated R41286
9. Glass Hardware / Bathroom Hardware / Barn Door Hardware
The Flush Bolt Dust-Proof Socket (also referred to as a dust-proof component for flush bolts) is a specialized accessory designed to integrate with flush bolt systems in door hardware assemblies. Its primary function is to physically seal the gap between the door leaf and frame when the door is closed, creating an effective barrier against dust, smoke, and airflow. Structurally, it comprises a dust-resistant seat assembly and a fixed mounting bracket.
When the door is closed, the flush bolt’s latch tongue engages with a recess in the seat assembly, simultaneously sealing the seat against the door frame’s edge to block contaminants. Upon opening, the latch tongue retracts, and the seat assembly automatically repositions to avoid friction or wear on the door surface.
As a critical auxiliary component in flush bolt systems, this device must balance three key attributes: sealing performance to block external elements, structural stability to withstand repeated use, and compatibility with the lock mechanism to ensure seamless integration. Its design is a pivotal detail for enhancing the door’s overall protective efficiency, particularly in environments requiring airtightness or dust resistance.
For further information, please contact us.
Product Parameter | |
Product Name | Matte Black Stainless Steel Flush Bolt Dust Proof Socket for Wooden Door |
Product Model | DDDP002 |
Material | Stainless Steel |
Finish | Satin Stainless Steel, Polished Stainless Steel, Physical Vapor Deposition, Antique Brass Plated, Antique Copper Plated, Matte Black |
Suitable for Door | Wood door and Steel door |
Packaging & Shipping | |
MOQ | 500 Pieces |
Package | 1pc /poly bag,white box / color inner box,Standard export Carton . |
Sample Time | 5-7 working days |
Production Lead Time | 30-35 days normally |
Shipping Port | Jiangmen , China / Shenzhen , China / Guangzhou , China |
D&D Product
The products that we offer are tested to the most stringent international industry standards, including BS EN, CE, UL, ANSI and BHMA, Suitable for Education, Healthcare, Hospitality, Residential and Commercial applications.
More door hardware items include:
1.Door Hinge- UL 10C R38013 & BHMA/ANSI Grade1/2 & CE EN1935 Grade 13
2.Concealed Hinge- BS EN1935, EN1634 Fire Rated
3.Door Lock - CE EN12209 UKCA Fire Rated & UL 10C R40901
4. Door Handle- BS EN 1906 Grade 4, EN1634 Fire Rated
5. Panic Exit Device- UL 10C R40486 & UL305 SA45817 & CE EN1125
6. Door Closer – CE BS EN 1154 & UL 10C R40717
7. Lock Cylinder-BS EN1303, EN1634 Fire Rated
8. Door Viewer - UL Listed UL 10C Fire Rated R41286
9. Glass Hardware / Bathroom Hardware / Barn Door Hardware
Product Features
1. Micro structure design, suitable for multiple door types
The size of this flush bolt dust proof socket is 39mm × 19mm, optimized for the travel of standard concealed bolt lock tongues, and deeply compatible with door frame grooves (fitting depth 5-12mm), compatible with both wooden and steel doors. Its microstructure does not occupy additional space, especially suitable for narrow frame doors or retro style doors. After installation, the gap uniformity of the door seam is ≤ 0.5mm, avoiding sealing failure due to size deviation, ensuring precise matching with the hidden pin lock body, and improving the stability of the door body when closed.
2. Made of stainless steel material, durable and corrosion-resistant
The main body is made of stainless steel material, with high surface hardness and impact resistance, which can resist friction scratches caused by daily door opening and closing, and extend the service life. It has excellent corrosion resistance and can maintain a smooth surface even after long-term use in humid or salt spray environments, reducing functional degradation caused by rust. It is suitable for complex scenarios such as coastal areas, industrial plants, or basements, providing long-lasting sealing support for fire doors.
3. Matte black surface treatment, low-key and beautiful
The surface adopts Matt Black technology, with low glossiness and no reflection, which can weaken the presence of metal accessories and seamlessly integrate with industrial style, modern minimalist or dark decoration styles. Its matte finish is less likely to reveal fingerprints and stains, and daily maintenance only requires wiping with a soft cloth to restore cleanliness. At the same time, the black coating can cover installation marks and enhance the overall aesthetics of the door.
4. Flexible installation, adaptable to multiple scene requirements
The product supports both horizontal and vertical installation, and can be adapted to various positions on the top, bottom, or sides of the door. The fixed bracket is designed with a long strip adjustment hole, allowing for installation error compensation of ± 2mm. Even if there is slight deformation in the door frame, it can be fine tuned to ensure precise docking between the dust seat and the lock tongue, reducing installation difficulty and improving construction efficiency.
Application scenarios
1. Clean areas in medical institutions
In places such as hospital operating rooms and pharmacies that require strict dust control, the flush bolt dust proof socket can effectively fill the gap between doors by cooperating with the concealed bolt lock body.
2. Control of server room environment
For scenarios such as data centers and server rooms that are sensitive to temperature and humidity, this accessory reduces air conditioning leakage through a sealed design (with an energy-saving effect of about 8-12%), while preventing external dust from entering the interior of the equipment, thereby extending the hardware's lifespan. Its compact structure is compatible with standard cabinet door sizes, and after installation, it does not affect the flexibility of door opening and closing, ensuring data storage stability.
3. High end residential audio-visual space
In the audiovisual room or study scene of villas and apartments, the flush bolt dust proof socket can be combined with soundproof door locks to reduce door opening and closing noise through sealed design, while preventing external light interference. Its matte black appearance blends with dark colored walls to enhance spatial privacy and meet users' pursuit of immersive experience.
Installation Guidelines
The flush bolt dust-proof socket must be installed after securing the hidden pin lock body. Follow these procedures:
1. Positioning Alignment
Align the dust-proof seat assembly with the pre-cut groove on the door frame, ensuring precise correspondence with the lock tongue's operational path. Mark the screw hole locations using a marking tool, accommodating both horizontal and vertical installation orientations.
2. Fastening Procedure
Drill a 3mm diameter pilot hole at each marked position using a power drill, with depth matching the screw length. Secure the assembly with provided stainless steel screws, tightening fully. For hollow door frames, reinforce with expansion anchors to ensure structural integrity.
3. Sealing Verification
Close the door and inspect the contact interface between the dust-proof seat and lock tongue. If gaps persist, adjust the seat position or incorporate/remove shims as needed to achieve complete surface contact and optimal sealing performance.
Product Features
1. Micro structure design, suitable for multiple door types
The size of this flush bolt dust proof socket is 39mm × 19mm, optimized for the travel of standard concealed bolt lock tongues, and deeply compatible with door frame grooves (fitting depth 5-12mm), compatible with both wooden and steel doors. Its microstructure does not occupy additional space, especially suitable for narrow frame doors or retro style doors. After installation, the gap uniformity of the door seam is ≤ 0.5mm, avoiding sealing failure due to size deviation, ensuring precise matching with the hidden pin lock body, and improving the stability of the door body when closed.
2. Made of stainless steel material, durable and corrosion-resistant
The main body is made of stainless steel material, with high surface hardness and impact resistance, which can resist friction scratches caused by daily door opening and closing, and extend the service life. It has excellent corrosion resistance and can maintain a smooth surface even after long-term use in humid or salt spray environments, reducing functional degradation caused by rust. It is suitable for complex scenarios such as coastal areas, industrial plants, or basements, providing long-lasting sealing support for fire doors.
3. Matte black surface treatment, low-key and beautiful
The surface adopts Matt Black technology, with low glossiness and no reflection, which can weaken the presence of metal accessories and seamlessly integrate with industrial style, modern minimalist or dark decoration styles. Its matte finish is less likely to reveal fingerprints and stains, and daily maintenance only requires wiping with a soft cloth to restore cleanliness. At the same time, the black coating can cover installation marks and enhance the overall aesthetics of the door.
4. Flexible installation, adaptable to multiple scene requirements
The product supports both horizontal and vertical installation, and can be adapted to various positions on the top, bottom, or sides of the door. The fixed bracket is designed with a long strip adjustment hole, allowing for installation error compensation of ± 2mm. Even if there is slight deformation in the door frame, it can be fine tuned to ensure precise docking between the dust seat and the lock tongue, reducing installation difficulty and improving construction efficiency.
Application scenarios
1. Clean areas in medical institutions
In places such as hospital operating rooms and pharmacies that require strict dust control, the flush bolt dust proof socket can effectively fill the gap between doors by cooperating with the concealed bolt lock body.
2. Control of server room environment
For scenarios such as data centers and server rooms that are sensitive to temperature and humidity, this accessory reduces air conditioning leakage through a sealed design (with an energy-saving effect of about 8-12%), while preventing external dust from entering the interior of the equipment, thereby extending the hardware's lifespan. Its compact structure is compatible with standard cabinet door sizes, and after installation, it does not affect the flexibility of door opening and closing, ensuring data storage stability.
3. High end residential audio-visual space
In the audiovisual room or study scene of villas and apartments, the flush bolt dust proof socket can be combined with soundproof door locks to reduce door opening and closing noise through sealed design, while preventing external light interference. Its matte black appearance blends with dark colored walls to enhance spatial privacy and meet users' pursuit of immersive experience.
Installation Guidelines
The flush bolt dust-proof socket must be installed after securing the hidden pin lock body. Follow these procedures:
1. Positioning Alignment
Align the dust-proof seat assembly with the pre-cut groove on the door frame, ensuring precise correspondence with the lock tongue's operational path. Mark the screw hole locations using a marking tool, accommodating both horizontal and vertical installation orientations.
2. Fastening Procedure
Drill a 3mm diameter pilot hole at each marked position using a power drill, with depth matching the screw length. Secure the assembly with provided stainless steel screws, tightening fully. For hollow door frames, reinforce with expansion anchors to ensure structural integrity.
3. Sealing Verification
Close the door and inspect the contact interface between the dust-proof seat and lock tongue. If gaps persist, adjust the seat position or incorporate/remove shims as needed to achieve complete surface contact and optimal sealing performance.
Contact: David Jian
Mobile:0086-139 2903 7292
E-mail: David@dndhardware.com, sales@dndhardware.com,
Jobby Zhang
Mobile:0086-137 2599 9617
E-mail: jobby@dndhardware.com
D&D HARDWARE INDUSTRIAL CO.,LTD
ADD: 12th Floor, Building 2, No.898, KeChuang Technical Zone, Jiangmen Avenue, Pengjiang District, Jiangmen City, Guangdong, China (Postcode:529000)
Https://www.dndhardware.com
TEL: +86-750-3856396
FAX: +86-750-3856395
Contact: David Jian
Mobile:0086-139 2903 7292
E-mail: David@dndhardware.com, sales@dndhardware.com,
Jobby Zhang
Mobile:0086-137 2599 9617
E-mail: jobby@dndhardware.com
D&D HARDWARE INDUSTRIAL CO.,LTD
ADD: 12th Floor, Building 2, No.898, KeChuang Technical Zone, Jiangmen Avenue, Pengjiang District, Jiangmen City, Guangdong, China (Postcode:529000)
Https://www.dndhardware.com
TEL: +86-750-3856396
FAX: +86-750-3856395