Skip to main content
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.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Safety Self-Locking Lifting Hook with Adjustable Chain for Hoisting and Rigging

Safety Self-Locking Lifting Hook with Adjustable Chain for Hoisting and Rigging

$140.00

Thickened Mobile Phone Waterproof Case, Waterproof Box, Sealed Container, Pressure-Resistant Box, EDC Drop-Proof Storage Box for Outdoor Travel

Thickened Mobile Phone Waterproof Case, Waterproof Box, Sealed Container, Pressure-Resistant Box, EDC Drop-Proof Storage Box for Outdoor Travel

$12.00

Commercial Heated Display Cabinet for Crispy Pork Belly, Roast Chicken, and Cantonese BBQ - Constant Temperature Warmer for Peking Duck

Commercial Heated Display Cabinet for Crispy Pork Belly, Roast Chicken, and Cantonese BBQ - Constant Temperature Warmer for Peking Duck

$1,394.00

Mejiang Baohong Watercolor Line Art for Beginners, Coloring Book with Colored Pencils and Markers, Cat Letter Theme

Mejiang Baohong Watercolor Line Art for Beginners, Coloring Book with Colored Pencils and Markers, Cat Letter Theme

$29.70

Shanghai Huamei Hair Transplant, Solution for Hair Loss, Thinning, and Density Enhancement

Shanghai Huamei Hair Transplant, Solution for Hair Loss, Thinning, and Density Enhancement

$6,750.00

New Direct Sale Nanda Silicone Rubber 704 Battery Fixative Adhesive Panel Light Special Glue Photovoltaic Solar Sealant

New Direct Sale Nanda Silicone Rubber 704 Battery Fixative Adhesive Panel Light Special Glue Photovoltaic Solar Sealant

$25.85

Yonghe Hair Transplant: Top Scalp Density Enhancement (2000+ Units Fixed Price)

Yonghe Hair Transplant: Top Scalp Density Enhancement (2000+ Units Fixed Price)

$33,800.00

No-Drill Bathroom Storage Rack – Toilet Paper Organizer for Dorms and Restrooms

No-Drill Bathroom Storage Rack – Toilet Paper Organizer for Dorms and Restrooms

$22.16

Premium Metallographic Polishing Cloth – White Short-Pile Velvet for Mirror Finish Grinding by Goral

Premium Metallographic Polishing Cloth – White Short-Pile Velvet for Mirror Finish Grinding by Goral

$35.00

Rock Guitar Hell Training: Electric Guitar Textbook and Tutorial by Shinichi Kobayashi, Beginner to Intermediate Chinese Guitar Book and Sheet Music

Rock Guitar Hell Training: Electric Guitar Textbook and Tutorial by Shinichi Kobayashi, Beginner to Intermediate Chinese Guitar Book and Sheet Music

$58.69

Aromatherapy Candle Resin Jelly Wax Strawberry Silicone Mold, Large Squishy Handmade Soap DIY Material

Aromatherapy Candle Resin Jelly Wax Strawberry Silicone Mold, Large Squishy Handmade Soap DIY Material

$1.90

Liboer Drill-Free Security Camera Mount & Router Shelf – Adhesive-Free Wall Bracket for 360 PTZ Cameras and Sockets

Liboer Drill-Free Security Camera Mount & Router Shelf – Adhesive-Free Wall Bracket for 360 PTZ Cameras and Sockets

$21.90

City Hunter Theme Song Mr. Chui Saxophone Three-Piece Precise Transcription Service

City Hunter Theme Song Mr. Chui Saxophone Three-Piece Precise Transcription Service

$16.00

[Deposit Group 12] New Colors: Hugging Bear Matte Low-Mid Heel Lolita Shoes - Sheep Puff with Bear Buckle

[Deposit Group 12] New Colors: Hugging Bear Matte Low-Mid Heel Lolita Shoes - Sheep Puff with Bear Buckle

$38.00

Handcrafted Peach Wood and Brass Baby Rattle - Non-Toxic Paint-Free Teething Toy for Infants

Handcrafted Peach Wood and Brass Baby Rattle - Non-Toxic Paint-Free Teething Toy for Infants

$32.00

Car Tire Stone Removal Hook - Debris Cleaning Tool for Wheels

Car Tire Stone Removal Hook - Debris Cleaning Tool for Wheels

$6.19

Ceramic Rabbit Egg Holder – Creative Irregular Egg Stand for Breakfast or as a Decorative Gift

Ceramic Rabbit Egg Holder – Creative Irregular Egg Stand for Breakfast or as a Decorative Gift

$33.82

Toilet Tank Side Shelf Bathroom Storage Rack No-Drill Organizer for Bathroom Essentials

Toilet Tank Side Shelf Bathroom Storage Rack No-Drill Organizer for Bathroom Essentials

$10.40

No-Drill Over-Toilet Storage Rack for Bathroom Restroom Organizer

No-Drill Over-Toilet Storage Rack for Bathroom Restroom Organizer

$8.90

Artsneak Blending Stump for Oil Pastels, Dual-Tip Sponge Brush Art Student Painting Tool Set, Washable and Crumb-Free

Artsneak Blending Stump for Oil Pastels, Dual-Tip Sponge Brush Art Student Painting Tool Set, Washable and Crumb-Free

$14.20

75X100 Imitation Inkjet Transfer Steel Plate for Date Coding - Custom Logo and Trademark Available

75X100 Imitation Inkjet Transfer Steel Plate for Date Coding - Custom Logo and Trademark Available

$38.00

Lint-Free Cloth 1009DLE/SLE - Straight/Net Weave for UV Printhead, Screen, Lens Cleaning, Industrial Wiping Cloth

Lint-Free Cloth 1009DLE/SLE - Straight/Net Weave for UV Printhead, Screen, Lens Cleaning, Industrial Wiping Cloth

$10.80

Pirelli PZ4 Tires, Sizes 235/245/255/265/285/40/45/50/55 R19/R20/R21/R22

Pirelli PZ4 Tires, Sizes 235/245/255/265/285/40/45/50/55 R19/R20/R21/R22

$350.00

Wooden Plaque Carved Signboard for Business Opening, Antique-Style Shop Entrance Header, Custom Engraved Solid Wood Couplets MWU

Wooden Plaque Carved Signboard for Business Opening, Antique-Style Shop Entrance Header, Custom Engraved Solid Wood Couplets MWU

$182.96

Kumho ES01 Car Tires: Sizes 155/165/175/185/205 with Aspect Ratios 55/60/69 and Rim Diameters 14/15/16/17

Kumho ES01 Car Tires: Sizes 155/165/175/185/205 with Aspect Ratios 55/60/69 and Rim Diameters 14/15/16/17

$458.00

Mont Marte Paint Brushes, Creative Children's Painting Brush Set (3 Pieces), Tempera Brush Kit for Kids

Mont Marte Paint Brushes, Creative Children's Painting Brush Set (3 Pieces), Tempera Brush Kit for Kids

$6.50

Baohong Watercolor Paper 300g 8K/4K - Wood Pulp A1/A3/K3 350g Fine/Coarse Grain for Watercolor and Oil Pastels 4K

Baohong Watercolor Paper 300g 8K/4K - Wood Pulp A1/A3/K3 350g Fine/Coarse Grain for Watercolor and Oil Pastels 4K

$4.00

Imported IK7 Linear Bearing LM 162837 203242 254059 304564 3552O0 UU

Imported IK7 Linear Bearing LM 162837 203242 254059 304564 3552O0 UU

$96.00

Used Car Tires Auto Salvage Tires 155 165 175 185 195 205 215 1U3 14 15 16

Used Car Tires Auto Salvage Tires 155 165 175 185 195 205 215 1U3 14 15 16

$202.00

Magnetic Charging Stand for MIJIA Smart Audio Glasses (Enjoyment Edition) & Jiehuan AI Glasses – Wireless Installation for Type 86 Box

Magnetic Charging Stand for MIJIA Smart Audio Glasses (Enjoyment Edition) & Jiehuan AI Glasses – Wireless Installation for Type 86 Box

$84.10