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Aluminum Profile Angle Bracket for Window and Door Frames

This page provides focused, technical information about the Aluminum Profile Angle Bracket and related Aluminum Alloy Angle Bracket variants used primarily in window and door framing systems. Content addresses material, specifications, installation, application scenarios and common technical questions.
  • Brand:

    ANHUI SHENGXIN
  • Item NO.:

    SX-PT0031
  • Payment:

    T/T, or L/C at sight
  • Price Range:

    10 - 200000/$0.74
  • MOQ:

    100
  • Product Origin:

    Anhui China
  • Color:

    Black/White/Black/Customized
  • Shipping Port:

    Shanghai/Ningbo/Wuhu Port
  • Lead Time:

    25 - 30 Days

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  • Product Details
Aluminum Profile Angle Bracket Product Details

The Aluminum Profile Angle Bracket is a critical component for connecting, reinforcing and supporting aluminum profile frame structures in window and door systems. It provides reliable corner support and precise alignment at profile joints. Manufactured from high-strength aluminum alloy, this bracket is lightweight, corrosion-resistant and dimensionally stable. Typical uses include window and door frames, curtain walls, partition systems and other aluminum structural applications.

Aluminum Profile Angle Bracket

Compared with traditional steel fasteners, an Aluminum Alloy Angle Bracket offers lower weight, superior corrosion resistance and a more consistent aesthetic, which suits door and window applications that require precise assembly and long-term stability.

Material and Performance

Our Aluminum Alloy Angle Bracket products are typically produced from 6063-T5 or 6061-T6 aluminum alloy. These alloys provide a good balance of tensile strength, machinability and corrosion resistance. Surface treatments commonly offered include anodizing, powder coating and electrophoretic coating to improve durability and environmental resistance.

Item Specification / Explanation
Material 6063-T5 / 6061-T6 aluminum alloy
Surface treatment Anodizing, powder coating, electrophoresis; color options: silver, black, champagne, custom colors
Mechanical properties High tensile strength, stable dimensional tolerance, resistance to deformation under normal loads
Standards Manufactured to meet common international standards (ISO / EN) where applicable
Typical lifespan Long service life in normal environmental conditions with appropriate surface treatment
Tip: Choose anodized finishes for outdoor door and window frames to maximize corrosion resistance over time.

Sizes and Specifications

Angle Brackets For Aluminum Frames are available in a range of standard sizes and hole configurations to match common aluminium extrusion series. Standard models support 30, 40, 45, 50 and 60 series profiles. Thickness, hole spacing and mounting hole diameter can be customized to project requirements.

Specification Typical Options
Profile compatibility 20, 30, 40, 45, 50, 60 series aluminum profiles
Common dimensions 20×20 mm, 30×30 mm, 40×40 mm, 45×45 mm, 50×50 mm, and custom sizes
Thickness 2.5 mm, 3 mm, 4 mm, 5 mm, or custom thicknesses for reinforced models
Hole configurations Various hole diameters and patterns; slotted holes available for alignment adjustments
Special/custom options Custom hole patterns, additional gussets, welded reinforcement, or special angles (45°, 135° etc.)

A professional Aluminum Angle Bracket Manufacturer can produce custom variants following sample approval to ensure precise fit with existing profile systems.

Angle Brackets For Aluminum Frames size

Main Types and Differences

Aluminum Profile Accessories for frame connections vary by installation style and structural requirements. Common types include:

Type Characteristics Typical Use
External angle bracket Mounted on the outside of profiles; easy to install and service Industrial frames, automation equipment
Internal angle bracket Hidden installation for a clean appearance Window and door frames, architectural frames
Adjustable angle bracket Angle-adjustable (e.g., 45°–135°) for flexible assembly Custom door/window geometries, special profiles
Reinforced / heavy-duty bracket Thicker sections or gusseted design for higher load capacity Heavy doors, high-wind curtain walls
Light-duty bracket Low weight, cost-effective for non-critical connections Decorative frames, light partition systems

Selecting the correct Aluminum Profile Connector type depends on structural load, aesthetic requirements and installation accessibility.

Angle Brackets For Aluminum Frames

Manufacturing Process and Quality Control

As an experienced Aluminum Angle Bracket Manufacturer, our production flow includes mold design, extrusion, precision machining, surface finishing and multi-step quality inspection. Typical process steps:

  1. Die design and extrusion: Profile-specific dies are designed for accurate cross-section and material distribution.
  2. Machining: Cutting, punching/drilling, countersinking and chamfering to exact hole locations and tolerances.
  3. Surface finishing: Anodizing or powder coating to specified thickness and color requirements.
  4. Inspection: Dimensional checks, tensile or hardness testing, and surface quality checks before packing.
  5. Packing: Protective film / foam and neutral cartons for export shipments.
Inspection Item Requirement Method
Dimensional tolerance ±0.1 mm (typical) Digital calipers and inspection fixtures
Angle deviation ≤ ±0.5° Precision angle gauges
Tensile / strength Meets alloy specification (dependent on material) Universal testing machine
Surface film thickness ≥ 10 µm for anodized coatings (as specified) Coating thickness gauge
Note: Quality checks at each stage ensure Aluminum Profile Accessories meet both dimensional and performance requirements for demanding door & window applications.

Application in Window and Door Systems

In door and window assemblies, an Aluminum Profile Angle Bracket secures corner joints, maintains frame squareness, and contributes to the overall wind-load and sealing performance of the system. Typical application examples:

Application Function
Casement and sliding windows Fixes corner geometry and prevents frame distortion under load
Curtain wall systems Connects mullions and transoms for stable curtain support
Glass partitions Allows clean, secure connections between glass and profiles
Sunroom (conservatory) structures Provides reinforcement for long-span aluminum frames

Proper selection and correct installation of Angle Brackets For Aluminum Frames directly affect the sealing performance and lifetime of the door/window assembly.

Aluminum Profile Connector

Installation Methods and Accessory Pairing

Standard installation steps

  1. Clean the profile surfaces and remove any debris from the slot.
  2. Insert the Aluminum Profile Connector or bracket into the corresponding slot of the extrusion.
  3. Align the bracket and temporarily fasten with bolts or screws.
  4. Adjust the frame to a precise 90° (or specified) angle.
  5. Tighten fasteners to the recommended torque and perform a final inspection.

Recommended accessories

Accessory Purpose Best match
Spring nuts (T-nuts) Provide secure threaded fastening within profile slot Internal brackets and concealed connectors
Hex socket bolts High clamping force for structural joints Reinforced and heavy-duty brackets
End caps Improve appearance and prevent dust ingress External brackets and exposed profiles
Reinforcement plates Distribute loads and increase stiffness High-wind or heavy-door frames

Use recommended fastener grades and torque settings to avoid loosening and to maintain warranty conditions.

Selection Guide: How to Choose the Right Angle Bracket

Selecting the correct Aluminum Profile Angle Bracket requires consideration of profile series, connection type, load requirements and surface treatment. Use the following checklist:

Selection Factor Guidance
Profile series Choose brackets that match the profile cross-section and slot geometry (20–60 series)
Connection style Internal vs external depends on desired appearance and access for maintenance
Load requirements For heavy doors or high wind loads, use reinforced or thicker brackets
Surface treatment Outdoor installations: anodized or specialized coating for corrosion resistance
Budget Light-duty brackets reduce cost for non-critical aesthetic frames; reinforce where safety or performance is required

If in doubt, consult structural or window system documentation to determine design loads and recommended connector types.

FAQ — Frequently Asked Questions

Question Answer
Q1: What load can the Aluminum Profile Angle Bracket support? A: Load capacity depends on bracket size, thickness and fastening arrangement. Standard light-duty brackets are suitable for normal window frames; reinforced brackets or gusseted designs are recommended for heavy doors or curtain wall connections. We can provide a technical load table for specific bracket models on request.
Q2: Are these brackets compatible with all window and door profiles? A: The brackets are designed to work with mainstream aluminum profile series (20–60). For non-standard profiles, custom brackets can be manufactured to match slot geometry and wall thickness.
Q3: Can you customize dimensions or hole patterns? A: Yes. As an Aluminum Angle Bracket Manufacturer, we support customization for dimensions, hole spacing and special features after sample confirmation.
Q4: Do brackets come with screws and other fasteners? A: Fasteners can be supplied as an optional kit. Typical accessory kits include hex socket bolts and spring T-nuts or dedicated profile connectors. Confirm your preferred fastener type at inquiry.
Q5: Which surface treatments are available? A: Anodizing, powder coating and electrophoresis are available. Colors and film thickness are produced to agreed specifications for outdoor durability.
Q6: Will these brackets rust or corrode? A: Aluminum alloys are inherently corrosion-resistant. Combined with proper anodizing or coating, the Aluminum Alloy Angle Bracket exhibits excellent corrosion resistance for typical indoor and outdoor environments.
Q7: What are shipping lead times and packaging? A: Standard models often have stock availability. Custom products typically require a 3–7 day production lead time after sample approval. Export packaging uses protective film and neutral cartons to prevent damage during transit.
Q8: What is the minimum order quantity (MOQ)? A: Typical MOQ is 500 pieces, but project-based MOQ can be negotiated based on size and customization requirements.
Q9: Are samples available for testing? A: Yes. Samples can be provided for evaluation; sample costs and delivery depend on size and customization. Contact us to arrange a sample.

Shengxin

The Aluminum Profile Angle Bracket is a fundamental Aluminum Profile Accessory for door and window frame assemblies and other aluminum structures. Proper selection, precise manufacturing and correct installation of these brackets ensure frame accuracy, durability and long-term performance. Choose the appropriate bracket type and surface finish for the intended environment and load conditions to achieve reliable results.


If you require technical drawings, load tables or custom design support, provide the profile series, expected loads and desired surface finish. Our technical team can supply detailed suggestions and sample production guidance. 

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