Greenlee 1/4-20 Drill/Tap Bit High Speed Steel Power Tool Accessory
Professional Three-in-One Drilling, Tapping & Deburring Solution
The Greenlee 1/4-20 Drill/Tap Bit delivers professional-grade performance for complete hole drilling, tapping and deburring operations in a single power drill accessory. Engineered from hardened high-speed steel for extended service life, this power tool accessory handles up to 10-gauge metal with precision split point drilling and 20 TPI threading capability across mild steel, copper, brass, and aluminum applications.
Professional Features & Benefits
- High Speed Steel Construction: Hardened material provides superior durability and longer service life compared to carbon steel alternatives for demanding professional applications.
- Three-in-One Operation: Complete hole drilling, tapping and deburring/countersinking in one operation saves significant labor time and increases productivity on job sites.
- 10-Gauge Material Capacity: Handles up to 10 GA material thickness across multiple metal types including mild steel, copper, brass, and aluminum for versatile applications.
- Split Point with Web Thinning: Precision point design ensures accurate hole placement and reduces walking for professional drilling performance.
- Back Tapered Design: Engineered back taper beyond tap prevents thread damage from over-drilling, ensuring clean, professional threading results.
- Integrated Deburring/Countersinking: Built-in deburring and countersinking capability beyond back taper eliminates additional finishing steps for complete hole preparation.
- 20 TPI Threading: Standard NC thread type provides reliable threading performance for common 1/4-20 fastener applications.
Technical Specifications
- Material Thickness: Up to 10 GA
- Material Type: Mild Steel, Copper, Brass, Aluminum
- Point Type: Split Point With Web Thinning
- Product Material: High Speed Steel
- Thread Per Inch: 20 TPI
- Thread Type: NC
Installation & Operation
- Mount the drill/tap bit securely in a compatible power drill chuck with appropriate torque settings for the material being processed.
- 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 and Maintenance
- HVAC Equipment Mounting and Service
- Industrial Equipment Assembly
- Commercial Construction Projects
- Maintenance and Repair Operations
- Professional Contractor Applications
- Metal Fabrication and Assembly
Why Choose Greenlee Quality?
Greenlee delivers professional-grade reliability through hardened high-speed steel construction and precision engineering. The integrated three-in-one design with back tapered threading protection ensures consistent, professional results while the split point with web thinning provides accurate hole placement for demanding applications across multiple metal types.
Manufacturer Resources
Product Specs
- Material Thickness:
- Up to 10 GA
- Material Type:
- Mild Steel, Copper, Brass, Aluminum
- Point Type:
- Split Point With Web Thinning
- Product Material:
- High Speed Steel
- Thread Per Inch:
- 20 TPI
- Thread Type:
- NC