---
product_id: 106454786
title: "NSK-680 Steel Rack and Pinion Overhead Door Closer with Adjustable Closing Force En 2-4 (Silver)"
brand: "ozone"
price: "¥15806"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/106454786-nsk-680-steel-rack-and-pinion-overhead-door-closer-adjustable
store_origin: JP
region: Japan
---

# Steel construction for durability Supports doors up to 80kg Adjustable closing force EN 2-4 NSK-680 Steel Rack and Pinion Overhead Door Closer with Adjustable Closing Force En 2-4 (Silver)

**Brand:** ozone
**Price:** ¥15806
**Availability:** ✅ In Stock

## Summary

> 🚪 Close with confidence — engineered for the doors that mean business!

## Quick Answers

- **What is this?** NSK-680 Steel Rack and Pinion Overhead Door Closer with Adjustable Closing Force En 2-4 (Silver) by ozone
- **How much does it cost?** ¥15806 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/106454786-nsk-680-steel-rack-and-pinion-overhead-door-closer-adjustable)

## Best For

- ozone enthusiasts

## Why This Product

- Trusted ozone brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Fit:** Non-handed design fits seamlessly on left or right doors
- • **Versatile Mounting:** Mounts easily on door leaf or transom for flexible installation
- • **Heavy-Duty Strength:** Robust steel build engineered for high-traffic commercial use
- • **Reliable Performance:** Supports doors up to 80kg, ideal for busy interiors and exteriors
- • **Precision Closing Control:** Dual-range adjustable speed for perfect door closure every time

## Overview

The Ozone NSK-680 is a premium steel rack and pinion overhead door closer featuring adjustable closing force (EN 2-4) and dual independent speed ranges. Designed for commercial and high-traffic environments, it supports doors up to 80kg and offers a non-handed design for versatile mounting on door leaf or transom. Durable, reliable, and easy to install, it ensures smooth, controlled door operation every time.

## Description

Ozone NSK-680 Steel Rack and Pinion Overhead Door Closer with Adjustable Closing Force En 2-4 (Silver)

## Features

- Material: Steel, Color: Silver
- Package Contents: 1-Piece Rack And Pinion Overhead Door Closer With Adjustable Closing Force En 2-4
- Adjustable closing speed in two independent ranges
- Non handed design
- Maximum door weight-80kg
- Can be mounted to door leaf and transom

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Installation Type | Screw-In |
| Recommended Uses For Product | commercial buildings, high-traffic areas, interior and exterior applications |
| Number of Pieces | 1 |
| Manufacturer | M/s. Corona Ozone, M/s. Corona Ozone, Saravanampatti, Coimbatore, Tamil Nadu-641035 ; +91 7042836466 |
| Manufacturer | M/s. Corona Ozone |
| Country of Origin | India |
| Item model number | NSK-680 |
| Product Dimensions | 2.6 x 12.4 x 28 cm; 1.53 kg |
| ASIN | B07HRTP1SX |

## Product Details

- **Material:** Alloy Steel
- **Brand:** Ozone
- **Colour:** Silver
- **Exterior Finish:** Silver
- **Item Weight:** 1.53 Kilograms

## Images

![NSK-680 Steel Rack and Pinion Overhead Door Closer with Adjustable Closing Force En 2-4 (Silver) - Image 1](https://m.media-amazon.com/images/I/51svjbrbhbL.jpg)

## Frequently Bought Together

- Ozone NSK-680 Steel Rack and Pinion Overhead Door Closer with Adjustable Closing Force En 2-4 (Silver)
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**Shop now:** [https://www.desertcart.jp/products/106454786-nsk-680-steel-rack-and-pinion-overhead-door-closer-adjustable](https://www.desertcart.jp/products/106454786-nsk-680-steel-rack-and-pinion-overhead-door-closer-adjustable)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-01*