35×35mm Finger-Jointed Pine Stretcher Bars with Sloped Profile

35 x 35mm Finger-Jointed Pine Stretcher Bars for Professional Canvas Production

Our 35 x 35mm finger-jointed pine stretcher bars are designed for professional stretched canvas, canvas printing and frame manufacturing. The profile combines selected knot-free Chilean or Finnish pine, a sloped canvas-contact profile, precision-machined tongue-and-groove joints and controlled wood moisture of ≤12% for consistent frame production.

Developed for B2B manufacturing rather than occasional DIY use, this profile is suitable for canvas manufacturers, print labs, framing companies, art-material distributors and OEM/private-label programs that require repeatable wooden frame components.

35 x 35mm Stretcher Bar Specifications

Why the 35 x 35mm Profile Matters

For professional canvas production, the actual stretcher bar profile is more useful than relying only on general labels such as “standard” or “heavy duty.” The 35 x 35mm cross-section gives buyers a clearly defined specification that can be compared directly with an existing frame system, technical drawing or physical sample.

When selecting a stretcher bar, the profile should be evaluated together with the finished frame size, canvas type, stretching tension, bar length and any required cross-bar or bracing system.

For OEM customers, working from the actual profile dimensions helps reduce ambiguity and makes sample approval and repeat production easier.

Sloped Profile Designed for Canvas Clearance

This 35 x 35mm model is not a simple flat timber strip. It is manufactured with a sloped / inclined working face toward the canvas side.

When canvas is tensioned across the frame, the profile geometry helps keep more of the inner wooden surface away from the back of the stretched canvas while maintaining support toward the outer working edge.

This profile design is especially relevant for stretched artist canvas, printed canvas, photo canvas and wall-art production where consistent canvas clearance and frame geometry are important.

For OEM projects, the actual sloped profile can be checked against your current stretcher bar or approved from a physical sample before mass production.

Knot-Free Finger-Jointed Pine Construction

The bars are manufactured from selected knot-free pine using finger-jointed construction.

Finger jointing allows selected timber sections to be joined longitudinally after unsuitable areas are removed during material preparation. This makes it possible to produce longer and more consistent wooden components for repeat stretcher bar production.

For B2B buyers, however, finger-jointed construction alone is not enough. The finished bar still needs to be checked for straightness, dimensional consistency, joint condition and machining quality.

That is why our production control focuses on the finished stretcher bar, not only on the raw timber.

Chilean Pine or Finnish Pine Options

This 35 x 35mm stretcher bar can be manufactured using Chilean pine or Finnish pine, depending on the customer's approved material specification and sourcing requirements.

Both options can be supplied as selected knot-free, finger-jointed material for professional stretcher bar production.

For repeat OEM orders, the required wood option can be confirmed during sampling and recorded as part of the approved production specification.

Moisture Content Controlled to ≤12%

Wood moisture is an important production parameter for wooden stretcher bars because excessive or inconsistent moisture can contribute to dimensional changes during machining, storage, transport or later use.

For our stretcher bars and other wooden frame components, the wood moisture content is controlled to ≤12% as part of the standard production requirement.

Moisture levels are checked with a moisture meter during quality control. This works together with material selection, finger-joint inspection, dimensional checks and straightness inspection to help maintain consistent wooden components for repeat B2B production.

Precision-Machined Tongue-and-Groove Joints

The ends of each stretcher bar are machined with tongue-and-groove joints for frame assembly.

For volume canvas-frame production, joint fit is an important quality point. If the joint is too loose, the assembled corner may have unnecessary movement. If it is too tight, assembly can become inefficient.

Consistent machining helps the bars fit together more predictably, improving corner alignment and making repeat frame assembly easier for professional production lines and framing workshops.

The required assembly feel can also be evaluated with samples before a bulk order.

Finger Joint vs. Tongue-and-Groove: What Is the Difference?

These two terms describe different parts of the stretcher bar construction:

This 35 x 35mm product therefore combines finger-jointed pine construction with tongue-and-groove corner joints.

Quality Control for Repeat Production

For a professional stretcher bar buyer, one good sample is not enough. The more important question is whether the same profile, moisture level, straightness and assembly quality can be maintained across repeat production.

Our inspection focuses on the characteristics that can directly affect canvas-frame manufacturing:

• Wood selection – checking the required knot-free appearance and visible wood condition;
• Moisture content – checking the wood with a moisture meter against our ≤12% production standard;
• Profile dimensions – checking the 35 x 35mm cross-section for dimensional consistency;
• Profile machining – checking the sloped working surface and machined edges;
• Bar straightness – inspecting finished bars before packing;
• Finger joints – checking the condition of the longitudinal joints;
• Tongue-and-groove joints – checking machining and assembly fit;
• Length consistency – checking finished bar lengths against the production specification;
• Final packing – checking quantities and packing configuration before shipment.

For repeat orders, an approved sample and agreed specification can be retained as the production reference.

Built for Canvas & Framing Businesses

The 35 x 35mm pine stretcher bar is suitable for a range of professional canvas and framing applications:

• Stretched canvas manufacturers – for repeat production of blank and finished canvases;
• Canvas printing companies – for photo canvas, fine-art reproductions and printed wall art;
• Framing workshops – for in-house canvas stretching and frame assembly;
• Art-material distributors – for wholesale stretcher bar and canvas-frame programs;
• Wall-art manufacturers – for commercial decorative canvas production;
• OEM and private-label brands – for custom specifications and repeat production programs.

Custom Lengths, Cross Bars & OEM Production

Stretcher bars are rarely selected by profile size alone. Finished frame dimensions, bar lengths, canvas tension and supporting structures also need to be considered.

Colors Art can evaluate OEM requirements including:

• custom stretcher bar lengths;
• different profile dimensions;
• profile geometry;
• wood specifications;
• tongue-and-groove configuration;
• cross bars and supporting braces;
• assembled canvas frames;
• bulk packing and palletizing;
• private-label packaging;
• custom profiles based on drawings or physical samples.

If you already use a stretcher bar from another supplier, send us the profile dimensions, required lengths, finished frame sizes, photos, technical drawing or physical sample. This allows us to evaluate the specification before quotation and sampling.

Wholesale Packing & Export Supply

For wholesale and OEM orders, packing can be arranged according to bar length, quantity, shipment method and customer requirements.

Bulk stretcher bars can be packed for efficient handling, storage and export shipment, while repeat-order packing specifications can be recorded as part of the approved production program.

Sample Evaluation Before Bulk Production

For new projects, we recommend checking a physical sample before confirming volume production.

A sample allows your team to evaluate:

• the actual 35 x 35mm profile;
• sloped profile geometry;
• wood appearance;
• finger-jointed construction;
• moisture level;
• bar straightness;
• tongue-and-groove fit;
• corner assembly;
• compatibility with your canvas and stretching process.

For larger or more complex frame programs, cross-bar and bracing requirements can also be discussed according to the finished frame dimensions.

35 x 35mm Pine Stretcher Bar FAQ

What is the actual profile size?

The wooden cross-section measures 35 x 35 mm.

What type of wood is available?

This profile can be manufactured from selected Chilean pine or Finnish pine, according to the approved order specification.

Are the stretcher bars knot-free?

Yes. This version is produced from selected knot-free pine.

Are the bars finger-jointed?

Yes. The pine is finger-jointed longitudinally to manufacture the stretcher bar blank.

What is the wood moisture standard?

The wood moisture content is controlled to ≤12% as part of our standard production requirement for wooden stretcher bars.

Does this profile have a sloped canvas-contact surface?

Yes. The 35 x 35mm profile has a sloped / inclined working face designed for canvas stretcher frame applications.

What corner connection does it use?

The ends are machined with tongue-and-groove joints for frame assembly.

Is finger joint the same as tongue-and-groove?

No. Finger jointing is used in the longitudinal construction of the wooden bar, while tongue-and-groove describes the end connection used when assembling separate stretcher bars into a frame.

Can you manufacture custom lengths?

Yes. Custom lengths can be produced according to the buyer's frame sizes, quantities and production requirements.

Can cross bars or braces be supplied?

Yes. Supporting-bar requirements can be evaluated according to the finished frame dimensions and construction.

Can you match our existing stretcher bar profile?

Yes. Buyers can provide dimensions, technical drawings, photographs or a physical sample for OEM profile evaluation.

Request a Sample or Wholesale Quote

Looking for a reliable supplier of 35 x 35mm finger-jointed pine stretcher bars?

Send us your required lengths, finished frame sizes, estimated quantity, preferred wood option, packing requirements and existing profile information.

Colors Art supplies stretcher bars and canvas-frame components for canvas manufacturers, printing companies, framing businesses, distributors and OEM/private-label programs.

Contact us to request a sample, discuss a custom profile or receive a wholesale quotation.