National Hardware® N350-819 Adjustable Spring Hinge, Stainless Steel, 4", V520 Rainy_Weather viscosity index 134

viscosity index 134

Pitch: 3/8"

discreet design

When used with single speed motors

Also used to greatly increase adhesion impact strength

National Hardware® N350-819 Adjustable Spring Hinge, Stainless Steel, 4", V520 Rainy_Weather viscosity index 134National Hardware V520 Square Corners Spring Hinge is made of stainless steel. Fits standard hinge cutout. Hinge features adjustable closing speed and adjustable tension. Hinge is UL approved for fire doors. 4" Finish: Stainless Steel Manufactured with cold rolled steel Closing speed is adjustable Fits standard hinge cutout Tension is adjustable Square corners Hinge is UL approved for fire doors Visual Pac.