Qty	Item #	Job Name
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
Amount	Product	PO Number
View moreView less

Precision Wood Dowels and Biscuits for Structural Joinery

Professional Wood Dowels and Biscuits | McFadden's

Precision Wood Dowels and Biscuits for Structural Joinery

Consistent joinery is the hallmark of professional cabinetry, and the quality of your internal fasteners determines the long-term stability of every unit. Our selection of wood dowels and biscuits is engineered for the high-volume requirements of industrial shops, providing the precise tolerances needed for seamless assembly. Whether you are utilizing automated dowel insertion machinery or manual biscuit joiners, these components ensure perfect alignment and increased glue surface area for maximum joint strength. By using industry-standard joining solutions, you reduce assembly errors and ensure that your finished products maintain their structural integrity throughout their lifecycle.

Everything You Need, All in One Place

From plywood and fasteners to finishing supplies and shipping materials, we stock a full range of cabinetry essentials. One supplier, one delivery – less time sourcing, more time building.

Trusted by the Trade for 50+ Years

With decades of experience, we understand what it takes to keep shops running smoothly, and we back that up with expert support and consistent supply.

Built for Cabinetry Pros

We don't just carry product, we know how it's used. Our team speaks your language, with deep knowledge across cabinetry, millwork, and finishing applications.

Fasteners & Installation Hardware

Assembly Screws

Installation Screws

Kreg Pocket Screws

Brads, Staples and Finishing Nails

Wood Dowels and Biscuits

Screwdriver Bits and Holders

TiteJoints

Brackets and Braces

Looking for Something Else?

If you didn't find exactly what you're after, drop us a quick note and we'll help you track it down.

With thousands of materials, hardware lines, and custom-order options in stock, not everything fits neatly on a single category page. If you're looking for a specific item – like a certain drawer slide, hinge system, or finish option – just let us know.

Our team works closely with cabinetry professionals every day, and we're happy to help you track down the right solution fast. Whether it's in stock, special order, or part of a bundled system, we'll make sure you get what you need, without the runaround.

View All Products Contact Us

Precision Alignment Solutions

Optimizing Shop Production with Reliable Joining Components

Efficiency in the assembly department relies on components that fit perfectly every time. We provide dowels and biscuits manufactured from high-quality hardwoods to ensure dimensional stability and superior resin absorption. These products are selected for their consistent sizing, which prevents the frustration of loose joints or split panels during the assembly process. By sourcing your joining components alongside your core sheet goods and adhesives, you benefit from a consolidated supply chain that ensures every element of your cabinetry build is supported by professional-grade materials.

High-Performance Dowels for Automated and Manual Insertion

Our fluted wood dowels are designed specifically for the cabinetry trade, featuring multi-groove designs that allow air and excess glue to escape during insertion. This prevents hydraulic back-pressure that can cause panels to split while ensuring a uniform distribution of adhesive along the entire length of the dowel. Available in standard diameters and lengths, these dowels are ideal for carcass construction and face frame assembly in high-output shops. The compressed wood fibers expand slightly when they come into contact with water-based glues, creating a mechanical bond that is exceptionally resistant to racking and shear forces.

Explore the Collection

Increasing Glue Surface Area for Stronger Plate Joinery

For projects requiring fast alignment and increased joint strength, our wood biscuits offer a reliable solution for panel glue-ups and miter joints. Manufactured from compressed beechwood, these biscuits are designed to expand when they absorb moisture from woodworking glue, locking the joint firmly in place. This expansion provides a high level of lateral strength while allowing for slight adjustments during the clamping process. Ideal for both solid wood and engineered panels, our biscuits provide a professional alternative to mechanical fasteners, resulting in a clean finish with no visible hardware on the exterior of the cabinetry.

Explore the Collection

Your Partner for Professional Cabinetry Assembly Supplies

We understand that the success of your shop depends on the reliability of even the smallest components. By offering professional wood dowels and biscuits as part of our comprehensive inventory, we provide a one-stop-shop for all your structural joinery needs. Our products are sourced from manufacturers who prioritize tight tolerances and material quality, ensuring that you receive consistent performance in every bag. Trust our expertise to provide the reliable consumables that help your business maintain its reputation for delivering high-quality, precision-engineered cabinetry and commercial millwork.

Explore the Collection

Built on Trust. Backed by Experience.

For decades, McFadden's has been a reliable partner to shops and teams across North America. Our customers count on us for consistent quality, expert service, and materials that show up when and where they're needed. Don't just take our word for it – hear what real professionals have to say about working with McFadden's.

"I needed some really hard to find product information and Bruce Earl went way out of his way to help me getting what I need. His help was very much appreciated."

Khalil Saade

"Truly one of my favourite suppliers, customer service is always on their game and everyone working for the company is willing to help in any way possible. I've never had a problem they couldn't quickly solve. Great company!"

Micaela St. Cyr

"Good work!"

Brian Love

"I ordered a spice rack online. Shipping was fast. Arrived in excellent shape, great price too! Thanks!!"

Tim Rabak

Technical Guidance for Dowel and Biscuit Joinery

Achieving a perfect bond with dowels and biscuits requires attention to moisture content and hole depth. Below are answers to common questions regarding our joining components.

Fluted dowels feature longitudinal grooves that provide a path for excess glue and air to escape as the dowel is driven into a blind hole. This prevents the "piston effect" which can create enough pressure to crack a panel. Additionally, the flutes increase the total surface area for the glue to bond, resulting in a significantly stronger and more reliable structural joint.

Biscuits increase the total glue surface area within the joint and provide cross-grain reinforcement. Because they are made of highly compressed wood, they expand when they react with the moisture in PVAL glues, creating a tight mechanical fit that aligns the faces of the panels perfectly while adding substantial shear resistance to the assembly.

It is critical to store these components in a dry, climate-controlled area. Because they are designed to expand with moisture, dowels and biscuits stored in high-humidity environments may swell prematurely, making them difficult to insert into pre-drilled holes. Keeping them in sealed containers or their original packaging until use ensures they maintain their precision dimensions.

Yes, biscuits are an excellent choice for engineered wood products as they distribute the stress of the joint over a wider area than a screw or nail. This helps prevent the core of the MDF or particle board from crumbling under tension, making them a preferred method for joining cabinet gables, bottoms, and fixed shelving in commercial casework.

These numbers correspond to the physical dimensions of the biscuit. #0 is the smallest and is used for narrow frames or thin materials; #10 is a medium size for general applications; and #20 is the largest, providing the most surface area for standard 18mm or 19mm cabinetry panels. Selecting the largest biscuit that the material thickness allows will always yield the strongest possible joint.