National 4 In. 1/4 In. Radius Brass Spring Door Hinge
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Product overview
Catalog model No. V521 series. Cold-rolled steel. Designed for hanging self-closing doors in basements, stairways, garages, and entrances. Can be used in residential, commercial, and apartment buildings. Hinge is UL approved for fire doors. Closing speed is adjustable. Fits standard hinge cutout. 1/4" radius, round corner automatic door-closing spring hinge.
- Manufactured with cold-rolled steel
- Closing speed is adjustable
- Fits standard hinge cutout
- Tension is adjustable
- Hinge is UL approved for fire doors
Product manuals and information
Specifications
| Width | 4 In. |
| Material | Steel |
| Type | Residential/Commercial |
| Finish | Brass |
| Height | 4 In. |
| Finish Family | Brass |
| Holes Per Leaf | 4 Holes Per Leaf |
| Corner Type | 1/4 In. Radius |
| Pin Type | Adjustable |
| Brand | National |
| UPC | 00038613185203 |
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