Hidden Barrel Hinges 5/16" (10mm) with Drill Bit, 180 Degree Concealed Invisible Brass Hinges for Wooden Boxes, 8-Pack by R

Upgrade your woodwork and craft projects with the Hidden Barrel Hinges Set. Engineered from premium, heavy-duty solid brass, these cylindrical concealed hinges offer a sleek, modern alternative to traditional surface-mounted hardware, keeping your box designs smooth, continuous, and completely invisible from the outside. Key Product Highlights & Engineering Built-In Expansion Technology:Say goodbye to loose wood screws. Tightening the integrated expansion screw broadens the lower skirt of the barrel, wedging it securely into place inside 5/16" (10mm) drilled holes.Complete Installation Kit:Each package includes 8 premium barrel hinges and 1 calibrated high-carbon steel drill bit for accurate depth profiling.Smooth 180° Articulation:CNC-machined components guarantee consistent friction and seamless 180-degree rotation.Wide Application:Ideal invisible hardware for miniature cabinets, jewelry box building, keepsake cases, trinket chests, and small furniture repairs. Frequently Asked Questions (FAQ) Q: How do I ensure perfect alignment on both box edges?A:Because concealed hinges require precise depth and positioning, we strongly advise making test drills on scrap wood first to confirm exact hole distance before drilling your final project. Q: What are the exact dimensions and weight limitations?A:Each hinge measures 10mm (5/16") in diameter and 22mm (0.87") in length. This 8-pack set is specifically rated for lightweight craft lids and small cabinet doors under 1.1 lbs (500g). Q: Can these hinges be removed once expanded?A:Once the expansion skirt is wedged inside the hole, it locks tightly to prevent failure. Double-check your hole positioning before final tightening!

Includes Matched 10mm Drill Bit - Comes with 1 calibrated drill bit matched to 5/16" (10mm) hinge diameter, eliminating hole misalignment for smooth, effortless installation.Built-in Expansion Screw Locking - Features an expanding lower skirt mechanism that wedges securely inside drilled holes upon screwdriver adjustment, preventing loose fitting or dropouts.Solid Brass with 180° Rotation - Precision CNC-machined from rust-proof solid brass, offering smooth 180-degree opening for seamless, completely invisible wood box joints.Ideal for Lightweight Crafts - Specially engineered for small wooden cases, jewelry boxes, keepsake chests, and gift boxes with maximum weight capacity of 1.1 lbs (500g) per pair.Complete 8-Piece Hardware Kit - Package contains 8 cylindrical concealed barrel hinges (diameter: 0.39"/10mm, height: 0.87"/22mm) and 1 drill bit for high-end woodwork projects.