20 Pack Heavy Duty Steel L Brackets 3x3x1.5 Inch Black Powder Coated 90 Degree Right Angle Joist Shelf Brackets For Furniture And Timber Indoor Outdoor Use Rust Resistant Corner Support And Reinforcement

Heavy-Duty 3x3x1.5in Steel L Brackets for Shelves
✔️ 20 pcs; 3x3x1.5 in, 5.5mm holes, 2mm thick

These heavy-duty right-angle steel brackets reinforce corners and join boards, making them ideal for indoor shelves, tables, beds, and outdoor timber projects.

✅ Size: 3x3x1.5 in (77x77x38 mm), hole dia 5.5 mm, thickness 2 mm
✅ Each side has 4 fixing holes, compatible with M4 screws/bolts
✅ Material: Q235B steel, black powder-coated for indoor/outdoor use
✅ Includes 20 brackets; screws not included
✅ Suitable for furniture joints, shelves, tables, beds, fences

💡 What is an L bracket used for in furniture and timber projects?

This handy hardware adds strong corner reinforcement for shelves, frames, tables, and other DIY builds.

• load distribution across right-angle joins for shelves and frames
• easy installation with common screws, compatible with wood and metal
• works with standard M4 fasteners for quick setup
• black powder-coated finish resists indoor and outdoor wear