Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets
Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets
Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets
Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets
Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets
Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets
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Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece SetsAluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece SetsAluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece SetsAluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece SetsAluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece SetsAluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets

Aluminum 90° Corner Clamp Kit with Storage Case – 2, 4 & 8-Piece Sets

HomeDIYer
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By HomeDIYer®

Specification: 2-Piece Set
Price:
$39.00 USD
Stock:
Only 20 units left

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Description

Aluminum 90° Corner Clamp Kit — Precise Right-Angle Assembly for Every Woodworking Project

Struggling to hold boards at a perfect 90° while the glue dries or the screws go in? Whether you're a weekend DIYer building a bookshelf or a seasoned woodworker assembling cabinet carcasses, misaligned corners waste time and materials. This aluminum 90° corner clamp kit gives you a reliable, hands-free way to lock workpieces at a true right angle every time.

Each kit includes 5.5-inch (140 mm) aluminum alloy positioning squares paired with fixed blocks, L-shaped threaded rods, washers, and knobs — everything you need to clamp and hold corners securely. Available in 2-piece, 4-piece, and 8-piece configurations to match your project scale, all stored in an included carrying case.

Use it for gluing up picture frames, assembling drawer boxes, building cabinet frames, or any panel-to-panel joint where a square corner is non-negotiable. The scale markings on each square make repeat setups fast and consistent — ideal for batch production or multi-piece furniture builds.

✅ Compatible with wood boards, MDF panels, plywood, and other flat-edged materials typically used in woodworking, cabinetry, and DIY furniture assembly.

✅ Key Features of These Aluminum 90° Corner Clamps

  • 📐True 90° Positioning: Precision-machined aluminum squares align boards and panels at an exact right angle — no guesswork, no drift while you fasten or glue.
  • 🔩Complete Clamping Hardware Included: Each positioning square comes with fixed blocks, L-shaped threaded rods, washers, and hand-tighten knobs — ready to use out of the box.
  • 🏗️Aluminum Alloy Construction: Rigid, lightweight, and corrosion-resistant — the squares and fixed blocks hold their shape through repeated use without warping or bending.
  • 🔧Adjustable Clamping Pressure: Gradually tighten each knob to dial in the right pressure for your material — works with thin panels and thick lumber alike.
  • 📏Easy-to-Read Scale Markings: Engraved measurement markings along each square speed up layout and make repeat positioning consistent across multiple pieces.
  • 🧰Organized Storage Case Included: All components store neatly in the included carrying case — no loose hardware rattling around your toolbox between projects.

Aluminum 90° corner clamp kit components including positioning squares, fixed blocks, threaded rods, and storage case

📦 What's in the Box

Component 2-Piece Set 4-Piece Set 8-Piece Set
5.5" Right-Angle Positioning Squares 2× 4× 8×
Fixed Blocks 4× 8× 16×
Hand-Tighten Knobs 4× 8× 16×
Washers 4× 8× 16×
L-Shaped Threaded Rods 4× 8× 16×
Storage Case 1× 1× 1×

🎯 Who Is This For?

🪵 Woodworkers Building Furniture

Assemble cabinet carcasses, drawer boxes, and shelving units with confidence — the clamps hold every corner square while you drive screws or wait for glue to cure.

🖼️ Picture Frame & Box Makers

Get clean, gap-free mitered and butt-jointed corners on frames, shadow boxes, and decorative crates without a dedicated frame press.

🔨 DIY Home Improvement Enthusiasts

Build custom shelves, repair furniture, or tackle weekend projects with a professional-grade clamping setup that doesn't require a full workshop.

🏭 Small-Batch Woodworking Shops

The 8-piece set lets you clamp multiple corners simultaneously — ideal for production runs of boxes, trays, or cabinet doors where consistency matters.

📐 Technical Specifications

Positioning Square Size 5.5 inches (approx. 140 mm)
Material Aluminum alloy (squares and fixed blocks)
Corner Angle 90°
Clamping Mechanism L-shaped threaded rod with hand-tighten knob and washer
Scale Markings Yes — engraved on positioning squares
Available Set Sizes 2-Piece, 4-Piece, 8-Piece
Storage Included carrying case
Compatible Materials Wood, MDF, plywood, and flat-edged panels

Corner clamp kit in use holding wooden boards at 90 degrees during woodworking assembly

❓ Frequently Asked Questions

What is the difference between the 2-piece, 4-piece, and 8-piece sets?

The number refers to how many 5.5-inch positioning squares are included. Each square comes with its own set of clamping hardware (fixed block, threaded rod, washer, and knob). More squares let you clamp more corners simultaneously — useful for assembling all four corners of a box or cabinet at once.

What materials can I use these corner clamps with?

These clamps work best with wood, MDF, plywood, and other flat-edged panel materials. The workpiece edges should be straight and square before clamping for best results.

Can I use these clamps for both inside and outside corners?

Yes. The positioning squares can be placed against the inside or outside of a corner depending on your assembly method and workpiece dimensions.

How thick of a board can these clamps accommodate?

The L-shaped threaded rods provide a range of clamping depth. They are generally suited for boards and panels typically used in furniture and cabinet making — check the product images for dimensional reference or contact us to confirm compatibility with your specific material thickness.

Do I need any tools to tighten the clamps?

No tools required. The knobs are designed to be hand-tightened. Tighten gradually and evenly across all clamps to avoid shifting the workpiece out of alignment.

Are the positioning squares accurate enough for fine woodworking?

The aluminum alloy squares are machined to a 90° angle and include engraved scale markings for consistent positioning. They are well-suited for furniture assembly, cabinetry, and general woodworking. For ultra-precision instrument-grade work, verify squareness with a reliable reference square before gluing.

Can I use multiple sets together on a large project?

Yes. The 8-piece set is designed for clamping all corners of a box or cabinet simultaneously. You can also combine multiple sets for larger assemblies or production runs.

How do I clean and maintain the clamps?

Wipe the aluminum squares and hardware with a dry or lightly damp cloth after use. Remove any glue residue before it fully cures. Store all components in the included case to prevent loss and keep threads clean.

🛒 Select your set size above, then add to cart.

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