Specification Brand : KSDCMRS BulletPoint1 : Easy Installation:Fully adjustable only use hexagonal wrench for fixxing appropriate angle , automatic closing door feature with included installation hardware- longer screws BulletPoint10 : Dedicate in stainless steel hinge since 1997s BulletPoint2 : Durable Stainless Steel Construction:Top-quality stainless steel construction ensures resisting to rust not easy and is suitable for internal/external department,wood, metal, interior, exterior, residential, and commercial doors, fire-rated doors,other specific scenarios ect BulletPoint3 : Long-lasting use Spring:tension settings quickly and duable elastic BulletPoint4 : Long use testing:Our hinges are testing 38000 times for doors or closet opening/closing/Spring elasticity for added safety and peace of mind. BulletPoint5 : Fits Most Doors:Hinge Thickness: 0.118 inch, not 0.098 in only!! Our hinge fits 1-3/8 to 1-3/4 in thick doors BulletPoint6 : High precision stamping test 2000 times BulletPoint7 : Salt spray test 96 hours BulletPoint8 : Fire Test 90 minutes BulletPoint9 : No fancy packaging Color : Silver-3PACK FinishType : Satin GpsrSafetyAttestation : 1 IncludedComponents : hinges IncludedComponents1 : Longer Screws IncludedComponents2 : Hex Wrench ItemName : 3.5" Self-Closing Stainless Steel Hinges,3-1/2 inch x 3 1/2 Inch Heavy Duty Spring Loaded Automatic Adjustable to Close Door Hinges with Square Corner (Silver-3PACK) ItemPackageDimensions_Height : 19.9136 centimeters ItemPackageDimensions_Length : 5.207 centimeters ItemPackageDimensions_Width : 7.5946 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : door-hinges Manufacturer : KSDCMRS Material : Stainless Steel ModelName : Sping Loaded Hinnge ModelNumber : DH353 MountingType : Door Mount NumberOfItems : 2 PartNumber : DH353 ProductDescription : Product: Spring loaded Hinges 3.5" x 3.5" Square Corner Size: 3 1/2 x 3 1/2x 0.118in (89x 89x3mm) Tolence:±5% Hinge Radius: Square Corner Finish: Satin Stainless Steel Finished Material: Heavy duty all 304 grade Stainless Steel hinge with carbon steel spring Hanging: Use on Medium Weight Doors or Doors Requiring Medium Frequency Service Knuckles: ∅18 Hole(s): 6 Loaded Capacity:25~30KGS per piece Exterior Door Hinges Suitable Door Type: Flat Door Exterior Door Hinges Suitable Frame Type: Wooden Frame & Steel Frame Fixing Screw size : M5x32mm Door hinge Packing: 2 Pack Hinges X 12 PCS screws for mounting for added safety Or hold : 3 pack these hinges X 18 pcs screw door hingemate for per set view details of the vertical installation guide to well made and easy to installIn North America, the commonly used sizes and installation quantities of self-closing hinges may vary depending on the application and requirements. Here are some common sizes and installation quantities: Sizes: 3.5 inches (commonly used for light-duty doors such as interior doors) 4 inches (commonly used for medium-duty doors such as residential and commercial doors) 4.5 inches (commonly used for heavy-duty doors such as industrial and commercial doors) Installation quantities per door: Generally, interior doors typically require 2-3 self-closing hinges. Exterior doors usually require 3-4 self-closing hinges to ensure the safety and stability of the door. Larger or heavier doors may require additional self-closing hinges to support the weight. Please note that the sizes and installation quantities may vary depending on the region, application, and building codes. If you need accurate size and installation requirements, please consult your architect, contractor, or local building codes. Please refer to the back of the PVC package for installation and adjustment instructions ProductSiteLaunchDate : 2022-04-08T04:55:29.791Z Size : 3.5X3.5x0.118 inch Style : Classic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 31162403