Hafele Butt Hinge, 102 mm, Set of 2 Beautiful Polished Brass Hinges

Designed for Wooden Frames
Made out of Stainless Steel
Knuckle Diameter: 14mm
Square Flange Shape
A: 102mm/4"mm 
B: 76mm/3"mm

HAWA Folding Wall Collection Full Mortise Ball Bearing Hinge with Square Corners and Non-Removable Pin
These hinges are made of steel with a ball bearing and allow the doors to fold as well as slide. Three (3) hinges are required per fold on doors up to 8' 2.5", four (4) per fold on doors up to 10' 6", and five (5) hinges per fold on doors up to 13' 1.5".

The HAWA 20 Folding Wall Series is for 3 to 7 folding panels for room divisions and have suspension with an angle bracket, a guide bracket with a plastic slider, and a 1/2" (13 mm) deadbolt lock. It features smooth, quiet operation, resistance to wear and tear, and a brass upper track.

Features:
Made of steel
3 required per leaf up to 8' 2.5"
4 required per leaf up to 10' 6"
5 required per leaf up to 13' 1.5"
Ball bearing
For door thickness 1.5" (40 mm)
Door up to 13' 1.5" (4 m) height x 39.375" (1000 mm) width

Mounting: For DIN left and DIN right-hand use
Flange shape: square
Total width: 76 mm
Material: Stainless steel
Knuckle diameter: 14 mm
Flange thickness: 3 mm
Flange height: 102 mm
Model series: Butt hinge
Area of application: For wooden or metal frames, for flush wooden or metal interior doors
For door type: Wooden door leaf, Metal door
For frame type: Wooden frame, Metal frame
Max. door weight for 2 hinges: 120 kg
Knuckle length: 102 mm
Routing depth: 3 mm
Bearing type: With a fixed pin, Knuckle with two ball bearings
Standard: Certified in compliance with EN 1935:2002