---
product_id: 28474479
title: "RC-100-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling, 1\" Bore, 2\" Outside Diameter, 3\" Length, 5/16\"-18 x 1/2\" Set Screw"
brand: "climax metals"
price: "356.28 DT"
currency: TND
in_stock: true
category: "Climax Metals"
url: https://www.desertcart.tn/products/28474479-rc-100-kw4h-90-black-oxide-plated-mild-steel-rigid
store_origin: TN
region: Tunisia
---

# 1" bore for precise fit 4 set screws for max load black oxide corrosion resistance RC-100-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling, 1" Bore, 2" Outside Diameter, 3" Length, 5/16"-18 x 1/2" Set Screw

**Brand:** climax metals
**Price:** 356.28 DT
**Availability:** ✅ In Stock

## Summary

> ⚙️ Lock in power and precision with every turn!

## Quick Answers

- **What is this?** RC-100-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling, 1" Bore, 2" Outside Diameter, 3" Length, 5/16"-18 x 1/2" Set Screw by climax metals
- **How much does it cost?** 356.28 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/28474479-rc-100-kw4h-90-black-oxide-plated-mild-steel-rigid)

## Best For

- climax metals enthusiasts

## Why This Product

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

## Key Features

- • **Robust Load Capacity:** Quad set screws boost durability under stress
- • **Effortless Installation:** Designed for quick setup without major disassembly
- • **Corrosion-Resistant Finish:** Black oxide plating extends lifespan in tough environments
- • **Cost-Effective Reliability:** Premium mild steel build at an unbeatable value
- • **Precision Torque Transmission:** Engineered for flawless power transfer and alignment

## Overview

The Climax Metals RC-100-KW4H@90 is a 1" bore, 2" OD, 3" long rigid coupling crafted from mild steel with black oxide plating. Featuring four 5/16"-18 x 1/2" set screws, it ensures secure torque transmission and alignment while offering enhanced corrosion resistance and easy installation—ideal for professionals demanding durability and efficiency.

## Description

Climax Metals RC-100-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling, 1" Bore, 2" Outside Diameter, 3" Length, 5/16"-18 x 1/2" Set Screw: desertcart.com: Industrial & Scientific

## Features

- Provides torque transmision and alignment
- Cost effective coupling design
- Easily installed where major disassembly would otherwise be required
- 4 set screws increase load capacity
- Black oxide provides some corrosion resistance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003XHAR0K |
| Best Sellers Rank | #326,563 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #124 in Rigid Set Screw Couplings |
| Date First Available | November 5, 2013 |
| Item Weight | 1.94 pounds |
| Item model number | RC-100-KW4H@90 |
| Manufacturer | Climax Metal Products Company |
| Package Dimensions | 6.18 x 4.53 x 2.8 inches |

## Images

![RC-100-KW4H@90 Black Oxide Plated Mild Steel Rigid Coupling, 1" Bore, 2" Outside Diameter, 3" Length, 5/16"-18 x 1/2" Set Screw - Image 1](https://m.media-amazon.com/images/I/51brLEzAX+L.jpg)

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**Shop now:** [https://www.desertcart.tn/products/28474479-rc-100-kw4h-90-black-oxide-plated-mild-steel-rigid](https://www.desertcart.tn/products/28474479-rc-100-kw4h-90-black-oxide-plated-mild-steel-rigid)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-26*