Greenlee Slug-Buster 1-1/4" Conduit Knockout Punch Unit with Die and Draw Stud
Professional Conduit Punching System for Electrical Installations
The Greenlee Slug-Buster 1-1/4" Conduit Knockout Punch Unit delivers reliable performance for professional electrical installations. This complete punching system includes punch, die, and draw stud components with alignment markings for improved accuracy and productivity. Designed for versatile material compatibility including mild steel, aluminum, fiberglass, and plastic applications with 10 GA mild steel capacity.
Professional Features & Benefits
- 1-1/4" Conduit Size Capacity: Provides precise 1.701" actual hole size for standard conduit installations and electrical box connections.
- Multi-Material Compatibility: Punches mild steel, aluminum, fiberglass, and plastic materials for versatile job site applications.
- 10 GA Mild Steel Capacity: Handles up to 3.500 MM thickness for demanding electrical panel and enclosure work.
- Alignment Markings: Integrated markings improve punching accuracy and boost productivity during hole-making operations.
- Catalog Number Marking: Punch and die components are clearly marked with sizes and part numbers for quick identification and organization.
- Complete System Design: Includes punch, die, and draw stud components for immediate use without additional hardware requirements.
- Compact 1.300 LB Weight: Lightweight design reduces operator fatigue during extended use while maintaining professional durability.
Technical Specifications
- Application: For Punch Mild Steel, Aluminum, Fiberglass and Plastic
- Capacity Mild Steel: 10 GA (3.500 MM)
- Product Size: 1.701" (43.200 MM) Actual Hole Size
- Product Type: Knockout
- Product Weight: 1.300 LB (590.000 GM)
- Replacement Part: 721-1-1/4 Punch, 128AV Die, 249AVBB Draw Stud
Installation & Operation
- Mount the unit in a suitable location with appropriate clearance and access for connections and service.
- Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
- Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
- Configure any available load management or control features as supported by the provided specifications.
- Test automatic transfer or operational functionality and verify proper performance before placing into service.
- Complete final inspection and follow ongoing maintenance practices appropriate to the product category.
Professional Applications
- Electrical Panel Installations
- Commercial Conduit Systems
- Industrial Enclosure Modifications
- Residential Service Upgrades
- Maintenance and Repair Operations
- New Construction Electrical Work
- Retrofit and Renovation Projects
Why Choose Greenlee Quality?
Greenlee delivers professional-grade reliability with clearly marked components for efficient job site organization and quick part identification. The Slug-Buster system provides consistent performance across multiple material types while maintaining the precision and durability expected from professional electrical tools.
Manufacturer Resources
Product Specs
- Application:
- For Punch Mild Steel, Aluminum, Fiberglass and Plastic
- Capacity Mild Steel:
- 10 GA (3.500 MM)
- Product Size:
- 1.701" (43.200 MM) Actual Hole Size
- Product Type:
- Knockout
- Product Weight:
- 1.300 LB (590.000 GM)
- Replacement Part:
- 721-1-1/4 Punch, 128AV Die, 249AVBB Draw Stud