Millwork Furniture | Architectural Millwork

TREPPO Leveling screw for stair treads
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Mod-eez Clip Mounting Screws
$2.50 – $120.00
Mod-eez®️ Clip Connectors are specifically designed for RTA furniture and case goods. They are made of spring steel and come in two widths for 5/8"+ and 3/4"+ material and are used in combination with a Shoulder Screw which can be attached in all wood materials including metal. From pass-thru, non-locking, semi-locking, and locking clips, you will be sure to find the right combination. This product contains the Mod-eez®️ Clip Only.Mod-eez® Sets are also available, which include the Clip, Shoulder head screw, and mounting screws.→ Order a Sample Pack
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Mod-eez Anti-rotation Mounting Screws
$3.00 – $120.00
The Mod-eez®️ Anti-rotation Mounting Screws are specifically designed for an optimal insertion of the Male Anti-rotation Clip into the the Female Anti-rotation Clip which is due to the screws being a #10 but with the #8 head it allows for swift engagements of the parts.Mod-eez® Sets are also available, which include the Clip, Shoulder head screw, and mounting screws.→ Order a Sample Pack
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TUCK – Spring Steel Compression Dowel
$3.60 – $720.00
The TUCK spring steel compression dowel is immediately load-bearing for attaching components without glue or clamps. TUCK is available in five sizes and processed like a conventional wooden dowel. The TUCK is self-tightening and no clamping aid is required when assembling the workpiece (cabinet, furniture, interior design, etc.). The spring steel design guarantees a permanent tightening.→ Order a Sample Pack
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12.600 – Zipbolt UT Mini-KD Connector – 6x43mm
$3.60 – $1,380.00
The 12.600 - Zipbolt UT Mini-KD Connector offers an alternative to traditional cam lock connectors, providing enhanced tensioning that prevents loosening over time. Designed for ease of use, this connector features a 6mm shaft that screws directly into a 5mm hole, with installation completed by securing the diecast housing using a 4mm hex bit or screwdriver.Key Features:
Enhanced Tensioning: Superior to cam lock types, resists loosening.
Easy Installation: Screws into a 5mm hole; diecast housing secures with a 4mm hex bit.
Compact Design: Ideal for applications requiring a smaller connector.
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12.601 – Zipbolt UT Mini-KD Connector – 6x30mm
$3.60 – $1,380.00
The 12.601 - Zipbolt UT Mini-KD Connector offers a reliable alternative to traditional cam lock connectors with its superior tensioning capabilities that prevent loosening over time. This compact connector features a 6mm shaft that screws directly into a 5mm hole, and its diecast housing is securely installed using a 4mm hex bit or screwdriver, providing a robust and stable joint.Key Features:
Enhanced Tensioning: Superior to cam lock types, resists loosening.
Easy Installation: Screws into a 5mm hole; diecast housing secured with a 4mm hex bit.
Compact Size: Ideal for applications requiring a smaller connector with open cut design.
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10.500 – Zipbolt UT Bore Connector – 80x35mm
$4.46 – $465.00
The 10.500 - Zipbolt UT Bore Connector offers a fast and efficient solution for joining worktops and countertops. With its innovative all-metal diecast gear housing, this connector ensures high durability and torque. Easy to use with a 5mm Allen key or hex bit, it provides a strong and secure connection, making assembly quick and cost-effective.Key Features:
Rapid Assembly: Joins worktops and countertops in seconds.
Durable Design: All-metal diecast housing for increased strength and torque.
User-Friendly: Simple installation with a 5mm Allen key or hex bit.
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10.600 – Zipbolt UT Bore Connector – 114x35mm
$4.90 – $510.00
The 10.600 - Zipbolt UT Bore Connector delivers a rapid and efficient solution for joining worktops and countertops. Featuring a robust all-metal diecast gear housing, it provides enhanced durability and higher torque. Simple to use with a 5mm Allen key or hex bit, this connector ensures a secure, quick assembly for your projects.Key Features:
Fast Assembly: Joins worktops and countertops in seconds.
Durable Construction: All-metal diecast housing for improved strength and torque.
Easy Installation: Uses a 5mm Allen key or hex bit for simple engagement.
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10.800 – Zipbolt UT Mini Connector – 6x100mm
$4.90 – $510.00
The 10.800 - Zipbolt UT Mini Connector is designed for quick and efficient joining of thin worktops, countertops, and panels. With its slim profile, this connector is ideal for materials as thin as 16mm (5/8"). It offers a fast, practical, and innovative solution for assembling thin panels with ease.Key Features:
Slim Profile: Suitable for materials as thin as 16mm (5/8").
Fast Assembly: Rapidly joins worktops, countertops, and panels.
Innovative Design: Practical solution for efficient assembly.
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10.900 – Zipbolt UT Drawbolt – 6x100mm
$5.26 – $547.50
The 10.900 - Zipbolt UT Drawbolt is designed for efficient and secure assembly of worktops, countertops, and panels. With its compact 12.5mm (1/2”) profile and durable all-metal housing, this connector provides a strong, reliable join while fitting seamlessly into tight spaces. Ideal for both professionals and DIY enthusiasts, the UT 10.900 streamlines your assembly process, ensuring consistent and high-quality results.Key Features:
Compact Design: 12.5mm profile with robust all-metal construction.
Efficient Assembly: Quick and secure joining for worktops, countertops, and panels.
Versatile Use: Suitable for various assembly tasks with consistent performance.
Optimize your assembly projects with the 10.900 - Zipbolt UT Drawbolt, combining strength and efficiency in a compact, reliable connector.
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10.700 – Zipbolt UT Bore Connector – 164x35mm
$5.69 – $592.50
The 10.700 - Zipbolt UT Bore Connector offers a swift and efficient method for joining worktops and countertops. With its advanced all-metal diecast gear housing, it ensures increased durability and higher torque. Easy to use with a 5mm Allen key or hex bit, this connector provides a secure and fast assembly solution.Key Features:
Rapid Joining: Efficiently connects worktops and countertops in seconds.
Durable Build: All-metal diecast housing for enhanced strength and torque.
Simple Installation: Operates with a 5mm Allen key or hex bit for straightforward use.
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18.100 – Zipbolt Ultra Slim Connector – 4x100mm
$6.05 – $630.00
The 18.100 - Zipbolt Ultra Slim Connector is engineered to meet the needs of modern countertop and laminate applications, with a profile thickness reduced to just 10mm. Despite its slim design, it maintains excellent torque and tensioning capabilities. Designed for use with HPL and compact laminates, this connector requires a Torx T25 bit for a secure fit, and is best used with a hand ratchet driver or power tool with a torque setting.Key Features:
Slim Profile: Only 10mm thick, perfect for thin countertop materials.
Strong Performance: Maintains torque and tension despite size reduction.
Enhanced Engagement: Uses Torx T25 bit for secure drive.
Recommended Tools: Hand ratchet driver or power tool with torque setting.
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12.500 – Zipbolt UT Maxi-KD Connector – 8x90mm
$6.48 – $675.00
The 12.500 - Zipbolt UT Maxi-KD is a durable demountable connector designed for efficient bed, table, and joinery assembly. Featuring a large 35mm (1 ½”) gear housing that evenly distributes pressure, it ensures robust connections with its 8mm screw shaft. Ideal for use with dowels and adhesives, this connector allows for quick, simultaneous assembly of furniture components, enhancing production efficiency.Key Features:
Robust Design: Large 35mm gear housing for even pressure distribution.
Strong Connection: 8mm screw shaft for secure joints.
Efficient Assembly: Allows simultaneous assembly of components with dowels and adhesives.
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13.500 – Zipbolt UT Maxi Connector – 8x90mm ST
$6.48 – $675.00
The Zipbolt UT 13.500 ST Maxi features an innovative die-cast "Open Channel" housing, designed for easy placement over the shaft and precise positioning, even in over-bored holes. With its reduced housing size and 25mm hole accommodation, it tightens joints effectively while components are already connected. Ideal for use with dowels and adhesives, this connector enhances production efficiency by enabling simultaneous assembly of legs, rails, and other furniture components.Key Features:
Innovative Housing Design: "Open Channel" housing for easy placement and accurate positioning.
Effective Tightening: Reduced housing size tightens joints within a 25mm hole.
Efficient Assembly: Allows for simultaneous assembly with dowels and adhesives.
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13.600 – Zipbolt UT Railbolt Connector
$7.63 – $795.00
The 13.600 - Zipbolt UT Railbolt Connector is engineered for efficient and precise staircase assembly. Featuring an innovative Open Channel diecast housing, this railbolt allows easy thread engagement even in deep holes. Ideal for joining handrails to newel posts and fittings, it simplifies installation with a hex bit or Allen key. Perfect for both staircase and general woodworking applications.Key Features:
Open Channel Design: Facilitates easy thread engagement, even in deep holes.
Versatile Use: Suitable for handrails, newel posts, and general woodworking.
Easy Installation: Compatible with hex bits and Allen keys for efficient tensioning.
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11.550 – Zipbolt Angled UT Railbolt
$8.35 – $870.00
The Zipbolt UT Angled Railbolt is specifically engineered for applications in the stair industry, addressing the challenge of attaching handrails at an angle to newel posts. Utilizing Zipbolt’s UT drive technology, this connector allows for precise tightening at right angles and deep within the handrail using either a hex bit or an Allen key.The railbolt features a pivoting 8mm shaft with a coach bolt thread (wood thread), which can be manually threaded into the post. Once the handrail is drilled and the angle cut is made, the railbolt is straightforward to attach. Its pivoting mechanism accommodates various angles, ensuring a secure joint without the need for visible screws or filled nail holes on the newel post.Key Features:
Versatile Application: Ideal for handrail attachment in staircases.
UT Drive Technology: Allows easy tightening at angles.
Pivoting Shaft: Adjusts to various angles, providing a secure fit.
Discreet Installation: Eliminates visible screws and nail holes.
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13.801 – Slipfix Railbolt – Standard
$9.50 – $990.00
The 13.801 - Zipbolt Slipfix RailBolt is designed specifically for the stair industry, offering an innovative solution for securing handrails between fixed posts. Pre-installed into the ends of the rail, it retracts flush with the end grain for a seamless appearance. The connector engages with keyhole discs in the posts, and tightening is achieved using the Zipbolt gear housing drive system, ensuring a secure and efficient installation.Key Features:
Innovative Design: Pre-installed and flush-retracting for seamless integration.
Secure Connection: Engages keyhole discs in posts for reliable fastening.
Efficient Installation: Tightens easily using the Zipbolt gear housing drive system.
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KLICK-System – Sample Pack
$10.00
The KLICK-System Sample Pack contains 30 product samples:10 x KLICK 10 x sKLICK 10 x KLICKpro→ Order larger quantity of KLICK, sKLICK, and KLICKpro, → Get a Starter Kit
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TUCK Compression Dowel – Sample Pack
$10.00
The TUCK Sample Pack contains 25 pieces:5 x TUCK 6x25 mm 5 x TUCK 8x35 mm 5 x TUCK 10x32 mm 5 x TUCK 10x28 mm 5 x TUCK 10x16 mm→ Get a Starter Kit → Order larger quantity
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UNO 30 – Sample Pack
$10.00
The UNO 30 Sample Pack contains 4 setsThe UNO 30 features easy and fast assembly that simply snaps in place. The UNO 30 is designed for common uses like facades, wall paneling, baseboards, moldings, handrails, furniture, fixtures, but truly has endless applications.→ Get a Starter Kit → Order larger quantity
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FAST Biscuit Connector – Sample Pack
$10.00
The FAST Biscuit Connector Sample Pack contains 10 pairs. FAST is a #20 self-tightening, non-visible plastic snap-in connector and can be used in all wood materials. The two connector pieces are simply knocked into the biscuit cut with a hammer.→ Order larger quantity
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CLIPS Biscuit Connector – Sample Pack
$10.00
The CLIPS Biscuit Connector Sample Pack contains 6 pairs. CLIPS is a #20 two-piece snap-in plastic connector and can be glued in all wood materials. The ribbed pin is simply snapped into the fork.→ Order larger quantity
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ZIPBOLT™ FASTFIT – Sample Pack
$10.00
The ZIPBOLT™ FASTFIT Sample Pack contains 10 pieces. FASTFIT is a one-piece joint connector that can be used with you nested based CNC for corner joints widely used for case goods and RTA cabinetry.→ Order larger quantity
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miniKLICK – Dovetail Connector Sample Pack
$10.00
The miniKLICK Sample Pack contains 15 pairs.→ Order larger quantity
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13.950 – Slipfix Railbolt – Angled
$10.44 – $1,087.50
The 13.950 - Angled Slipfix Railbolt is designed for the stair industry, providing a specialized solution for joining handrails to posts at acute angles. Featuring an angled shaft pre-installed in the rail, it engages seamlessly with the keyhole disc in the post. The connection is tightened using the Zipbolt gear drive system with a side ratchet tool or Allen key, ensuring a secure and precise joint for angled installations.Key Features:
Angled Design: Specifically for acute angle handrail to post joints.
Seamless Engagement: Angled shaft engages with the keyhole disc in the post.
Efficient Tightening: Uses Zipbolt gear drive system with a side ratchet tool or Allen key.
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Mod-eez Single Clip – 4030 Series for 5/8″+ Stock
$11.06 – $240.00
Mod-eez®️ Clip Connectors are specifically designed for RTA furniture and case goods. They are made of spring steel and come in two widths for 5/8"+ and 3/4"+ material and are used in combination with a Shoulder Screw which can be attached in all wood materials including metal. From pass-thru, non-locking, semi-locking, and locking clips, you will be sure to find the right combination. This product contains the Mod-eez®️ Clip Only.Mod-eez® Sets are also available, which include the Clip, Shoulder head screw, and mounting screws.→ Order a Sample Pack
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Biscuit Connectors – Sample Pack
$12.00
The Biscuit Connectors Sample Pack contains:2 x SUNNY 2 x SILVER 2 x FAST 2 x CHAMP 2 x METAL 2 x CLIPS→ Get a Starter Kit
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CHICO Slide-in Connector – Sample Pack
$12.00
The CHICO Sample Pack contains 4 pairsThe CHICO is a precision connector made of aluminum die-cast zinc, which can also be used in Corian®, Marlan®, and similar materials in addition to wood materials.→ Order larger quantity
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DUO 30 / DUO 35 – Sample Pack
$12.00
The DUO 30 / DUO 35 Sample Pack contains 8 pairs:2 x DUO 30 oL 2 x DUO 30 mL 2 x DUO 35 oL 2 x DUO 35 mL→ Get a Starter Kit → Order larger quantity
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KNAPP®-DOWEL – Sample Pack
$12.00
The KNAPP®-DOWEL Sample Pack contains 100 pieces:20 x KNAPP®-DOWEL 6x28 mm 40 x KNAPP®-DOWEL 8x35 mm 40 x KNAPP®-DOWEL 8x50 mm→ Get a Starter Kit → Order larger quantity
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QUICK-SET – Sample Pack
$12.00
The QUICK-SET - Sample Pack contains 24 dowels:6 x QUICK-SET 5/7.5 mm 6 x QUICK-SET 5/11 mm 6 x QUICK-SET 8/8 mm 6 x QUICK-SET 8/26 mm→ Get a Starter Kit → Order larger quantity
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ZIPBOLT™ System – Sample Pack
$12.00
The ZIPBOLT™ Sample Pack contains 3 pieces:1 x ZIPBOLT™ 100 Mini 1 x ZIPBOLT™ 90 KD 1 x ZIPBOLT™ 85→ Get a Starter Kit → Order larger quantity
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KOMBI Set – Sample Pack
$12.00
The KOMBI Set Sample Pack contains 4 sets. Each set includes a KOMBI connector, a KOMBI bracket, and mounting screws.
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Mod-eez®️ System Sample Pack
$12.00
Mod-eez®️ System is specifically designed with RTA furniture, case goods and cabinetry in mind.This Sample Pack contains:6 x 4032 non-locking clips 6 x 4031 pass-thru clips 4 x 4037 double semi-locking clips 12 x 2055 1/2" shoulder head screws 4 x 2065 male shoulder screws 4 x 2066 female shoulder screws→ Get a Starter Kit → Order larger quantity
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Mod-eez®️ Anti-Rotation Sample Pack
$12.00
Mod-eez®️ Anti-Rotation Clips are specifically designed for RTA furniture and case goods.This Sample Pack contains:10 x 2075 male anti-rotation clips 10 x 2076 female anti-rotation clips→ Order larger quantity
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Mod-eez Single Clip – 4060 Series for 3/4″+ Stock
$12.50 – $230.00
Mod-eez®️ Clip Connectors are specifically designed for RTA furniture and case goods. They are made of spring steel and come in two widths for 5/8"+ and 3/4"+ material and are used in combination with a Shoulder Screw which can be attached in all wood materials including metal. From pass-thru, non-locking, semi-locking, and locking clips, you will be sure to find the right combination. This product contains the Mod-eez®️ Clip Only.Mod-eez® Sets are also available, which include the Clip, Shoulder head screw, and mounting screws.→ Order a Sample Pack
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LOCKING CLIP – Stainless Spring Steel for UNO 30 DUO 30
$13.38 – $267.50
Stainless Spring Steel locking clip for UNO 30 and DUO 30. The UNO 30 and DUO 30 locking clip bends down as you insert the parts into each other and jumps back out when in final position. The locking clip permanently locks the joint and disassembly is not possible.
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Mod-eez Single Clip – 5030 Series for 3/4″+ Stock
$13.50 – $220.00
Mod-eez®️ Clip Connectors are specifically designed for RTA furniture and case goods. They are made of spring steel and come in two widths for 5/8"+ and 3/4"+ material and are used in combination with a Shoulder Screw which can be attached in all wood materials including metal. From pass-thru, non-locking, semi-locking, and locking clips, you will be sure to find the right combination. This product contains the Mod-eez®️ Clip Only.Mod-eez® Sets are also available, which include the Clip, Shoulder head screw, and mounting screws.→ Order a Sample Pack
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DUO System – Sample Pack
$14.00
The DUO-System Sample Pack contains 3 product samples:1 x DUO 46/30 1 x DUO 62/15 1 x DUO 90/20→ Order larger quantity
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KNAPP®-Adhesive PU+
$14.09 – $299.37
One component polyurethane based adhesive used to adhere connectors such as the KNAPP®-Dowel, CHAMP, miniKLICK, and CLIPS to all surfaces.
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At Knapp Connectors, we understand the importance of sturdy, durable, and aesthetically pleasing work. Whether you’re assembling wooden cabinets, shelving, fixtures, or RTA furniture, we have a hidden fastening system to accommodate your woodworking needs.

We offer several millwork furniture connectors, including our SILVER, SUNNY, CHAMP, and METAL collections that eliminate the gluing step due to their self-tightening characteristics. Our products can be used in various architectural works since they’re lightweight, durable, and easy to use.

From our tried and tested KNAPP biscuit connectors to our popular KLICK System series, we have several products to help make your millwork furniture projects easier. Shop our collection today for everlasting woodwork.