Greenlee Speed KO Conduit Knockout Punch Kit 2-1/2" to 4"
Professional Speed Punch System for Conduit Installation
The Greenlee Speed KO Kit delivers professional-grade knockout punching performance for conduit installations from 2-1/2" to 4" in mild steel, aluminum, fiberglass, and plastic materials. This comprehensive kit features innovative no-thread punch design that eliminates cross-threading issues while providing up to 3 times faster setup and disassembly compared to traditional systems. Built with carbon steel construction and nickel-plated finish for durability, this kit includes all essential components in a convenient plastic storage case.
Professional Features & Benefits
- No-Thread Punch Design: Eliminates cross-threading problems and reduces setup time for consistent, reliable operation on every job.
- 3X Faster Performance: Advanced Speed Punch technology significantly reduces setup and disassembly time, increasing productivity and reducing labor costs.
- Complete Size Range: Includes 2-1/2", 3", 3-1/2", and 4" punches and dies covering standard U.S. conduit sizes for versatile applications.
- Multi-Material Capability: Designed for punching holes in mild steel up to 10 gauge, plus aluminum, fiberglass, and plastic materials.
- Carbon Steel Construction: Punches and dies feature carbon steel with nickel plating for enhanced durability and corrosion resistance.
- Professional Storage: Includes plastic storage case for organized tool management and protection during transport.
- Hydraulic Compatibility: Recommended for use with Greenlee 746 Hydraulic Ram and 767 Pump for optimal performance.
Technical Specifications
- Application: For punching conduit sized holes in mild steel, aluminum, fiberglass, and plastic.
- Capacity Mild Steel: Max: 10 gauge (3.0 mm).
- Draw Stud: 7212SP12 (3/4'' x 5.6'')
- Driver: Recommended Greenlee Punch Driver: 746 Hydraulic Ram & 767 Pump.
- Includes: One each size (Punch & Die): 2-1/2'', 3'', 3-1/2'' and 4'' U.S. conduit size, One 3/4'' Speed Lock,
- Minimum Pilot Hole: 2-1/2'' - 3'''' Punch: 7/8'' (22.2 MM) PILOT HOLE. 3-1/2'' - 4'' PUNCH: 1-1/4'' (31.8 MM) PILOT HOL
- Package: Plastic Storage Case
- Product Diameter: Actual hole sizes: 2.914'' (74.0 MM) - 4.544'' (115.4 MM)
- Product Material: Punches & Dies: Carbon Steel (Nickel Plated). SPEED LOCK & Draw Stud: Carbon Steel (Black Oxide Coa
- Product Type: Knockout Punches
- Product Weight: 22.65 lbs. (10.30 kg)
- Replacement Part: 2-1/2'' Punch (7212SP-2-1/2P), 3'' Punch (7212SP-3P), 3-1/2'' Punch (7212SP-3-1/2P), 4'' Punch (721
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 Installation
- Conduit System Installation
- Commercial Electrical Work
- Industrial Maintenance
- Electrical Contractor Services
- Facility Maintenance Operations
- Construction and Renovation Projects
Why Choose Greenlee Quality?
Greenlee delivers professional-grade tools engineered for demanding electrical applications. This Speed KO Kit features carbon steel construction with nickel plating for long-term durability and reliable performance. The innovative no-thread design and comprehensive size range make this kit an essential tool for professional electricians and contractors requiring efficient, accurate conduit hole punching capabilities.
Manufacturer Resources
Product Specs
- Application:
- For punching conduit sized holes in mild steel, aluminum, fiberglass, and plastic.
- Capacity Mild Steel:
- Max: 10 gauge (3.0 mm).
- Draw Stud:
- 7212SP12 (3/4'' x 5.6'')
- Driver:
- Recommended Greenlee Punch Driver: 746 Hydraulic Ram & 767 Pump.
- Includes:
- One each size (Punch & Die): 2-1/2'', 3'', 3-1/2'' and 4'' U.S. conduit size, One 3/4'' Speed Lock,
- Minimum Pilot Hole:
- 2-1/2'' - 3'''' Punch: 7/8'' (22.2 MM) PILOT HOLE. 3-1/2'' - 4'' PUNCH: 1-1/4'' (31.8 MM) PILOT HOL
- Package:
- Plastic Storage Case
- Product Diameter:
- Actual hole sizes: 2.914'' (74.0 MM) - 4.544'' (115.4 MM)
- Product Material:
- Punches & Dies: Carbon Steel (Nickel Plated). SPEED LOCK & Draw Stud: Carbon Steel (Black Oxide Coa
- Product Type:
- Knockout Punches
- Product Weight:
- 22.65 lbs. (10.30 kg)
- Replacement Part:
- 2-1/2'' Punch (7212SP-2-1/2P), 3'' Punch (7212SP-3P), 3-1/2'' Punch (7212SP-3-1/2P), 4'' Punch (721