SORGMACH Matte Black Heavy Duty Door Hinge 4.5 X 4.5 Inch Ball Bearing Commercial Hinges Square Corners Interior and Exterior Hardware for 4-1/2 Doors Hinge Grade ANSI/BHMA A156 Grade 1.

Features

• 🥇【PREMIUM MATERIAL】Our matte black door hinges all parts are made of hight quality Iron material. The thickened blade is adopted with strong bearing capacity, no deformation, corrosion resistance, oxidation resistance. They are heavy duty reversible hinges means you can use this hinge whether your door is a left hand door or right hand door.
• 📏【Specification Size】Full Mortise hinge Matte Black door hinge is 4.5 x 4.5 inches and 0.098 inches thickness with square corners and 8 holes. Commercial Hinge Grade ANSI/BHMA A156 Grade 1. The heavy duty door hinges pack include 3 hinges and screws. We recommend 3 black door hinges for each interior and exterior door.
• 🏠【KEEP SMOOTH SILENT】Our commercial door hinges feature smooth running plain bearing hinges that run smoothly without snagging or squeaking. Quieter and smoother closing and opening. Ideal for any commercial apartments, hotels, offices, hospitals, schools,dormitories, hostels, living quarters, companies, kindergartens, store，coffee shop，etc.
• ✅【PACKAGR INCLUDES & NOTE】3pcs Commercial Door Hinges and screws. Each 4.5 inch door hinge contains 8 standard-length screws. If you are replacing your old hinges, please make sure the screws hole are with the same style. Use of product in alkaline and acidic water reduces service life and accelerates rusting.
• 👍【WELL SERVICE】Our ball bearing door hinges are high quality and easy to install and hold the door tight. Matte Black Commercial Hinges have an ANSI/BHMA certificate indicating that our products have been tested for safety and finish. We do care about your life quality. The black hinge central shaft includes the damping oil feature which is built to reduce metal-to-metal friction and provides quiet open-door and close-door experiences.