K51m-3in1 auto door closer hinge-full mortise type

Combines a hinge, door closer and hold open in one product

Overall features:
1. Advanced engineering- 3-in-1 combines a hinge, a closer and a hold open in one product.
2. Zero maintenance- stainless steel construction, no hydraulics, no leaking oil.
3. Full adjustable- adjust closing force(0-6), adjust closing speed, installation complete.
4. Strength- door duty loading max. 240lbs (110kgs)
5. Durability- 1, 000, 000cycles testing, many years of maintenance free operation.
6. Code compliant- ada, ul listed r26997, ansi/bhma a156.17 grade 1.
7. Material- 304 or 316 stainless steel

Spec: 4"&4.5"

For k51m 4.5"*3pcs in a box.
874kg / 0.775 cbm / 1 plt (mim 1cbm)

For k51m 4.5"*2pcs in a box
1098kg / 1.111 cbm / 1 plt