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Home / Assemblies and Fasteners / Internal Slot Connector for National and European Standard Aluminum Profiles 20/1530/40/45, L-Shaped Right-Angle Fastener Accessories

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Assemblies and Fasteners
Origin -
Material High-Grade Aluminum Alloy 6063-T5
Compatible Profiles 20, 15, 30, 40, 45 Series (National & European Standard)
Connector Type L-Shaped Right-Angle Internal Slot
Surface Finish Anodized Silver with Anti-Corrosion Coating
Load Capacity Up to 150 kg per joint (static load)
Installation Method Slide-in T-Slot with Set Screw Locking
Package Quantity 10 Pieces per Pack
Included Hardware M5/M6 Hex Socket Screws and Washers
Precision Tolerance +/- 0.05mm for Tight Fit
Application Scope DIY Frames, Machine Guards, Workbenches, Shelving

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 5/5

Essential for European standard profiles

I was worried these might only fit national standards, but they work flawlessly with my imported European 30-series profiles. Very tight tolerance, no wobble at all.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Perfect fit for my workbench project

These connectors slid right into the 40-series profiles I bought. The L-shape is sturdy and made assembling the frame corners incredibly easy without needing external brackets.

A

Anonymous

Mar 21, 2026

Rating: 4/5

Strong but requires careful alignment

Very strong connection once tightened. You do need to make sure the profiles are cut perfectly square, or the internal connector won't slide in smoothly. Great product overall.

A

Anonymous

Mar 12, 2026

Rating: 5/5

Clean look for internal joints

Exactly what I needed to keep the joints hidden inside the slots. Gives the whole assembly a professional, clean look compared to using external angle brackets.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Great value for a 10-pack

Bought these for a custom shelving unit. The price per unit is excellent considering the quality. They hold heavy loads without bending. Will buy again.

A

Anonymous

Mar 03, 2026

Rating: 4/5

Good quality, instructions could be clearer

The aluminum feels very solid and the finish matches my profiles perfectly. Took off one star because the package didn't specify which screw size goes with which profile series, but I figured it out.

5 FAQ

Q: Do these connectors work with both 20mm and 45mm profile widths?

A: Yes, this specific kit includes adapters and varying screw lengths designed to accommodate the 20, 15, 30, 40, and 45 series profiles compatible with National and European standards.

Q: What tool is required to tighten the set screws?

A: You will need a standard hex key (Allen wrench). The package typically includes the necessary screws, but we recommend using a metric hex key set for best torque control.

Q: Will this fit profiles with a non-standard slot width of 8.2mm?

A: These are manufactured for standard T-slots (typically 6mm, 8mm, or 10mm depending on the series). A 8.2mm non-standard slot may result in a loose fit; please verify your profile specifications before purchasing.

Q: Is the material stainless steel or aluminum?

A: The connectors are made from Aluminum Alloy 6063-T5 for lightweight strength and corrosion resistance. The included screws are usually steel, but the main body is aluminum.

Q: Can these support a dynamic load like a moving gantry?

A: While robust, these internal slot connectors are primarily designed for static structural framing. For high-vibration or heavy dynamic loads, we recommend reinforcing with external gussets.

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