Description
Description
Ridgid 80903 Description
This 4 in. heavy duty carbide tipped chain knocker is built for 5/16 in. cable and delivers high-impact, wall-to-wall cleaning in hard wall pipe. The durable carbide tips enhance cutting performance to quickly remove scale, hardened deposits, and tough blockages during demanding descaling and restoration work.
Ridgid 80903 Includes
- (1) Heavy Duty Carbide Tipped Chain Knocker for 5/16 in. Cable
Ridgid 80903 Features
- Heavy duty chain knocker built for 5/16 in. cable
- 4 in. diameter for wall-to-wall cleaning in hard wall pipe
- Carbide tipped design for aggressive cutting and long wear
- Helps remove scale, hardened deposits, and tough blockages
- Ideal for professional plumbing, milling, descaling, and pipe rehab prep
- Compatible with KM-1004, 5/16 in LiveCore Cable, 5/16 in DeadCore Cable, K9-204, and K9-204+
Ridgid 80903 Specifications
| Diameter | 4 in / 101.6 mm |
| Cable Size | 5/16 in |
| Max Speed | 2500 |
| Color | Black |
| Material | High Speed Tool Steel |
| Compatible Devices | KM-1004; 5/16 in LiveCore Cable; 5/16 in DeadCore Cable; K9-204; K9-204+ |
| Product Length (in) | 7 |
| Product Width (in) | 1 |
| Product Height (in) | 1 |
| Shipping Weight (lb) | 0.58 |
WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

