Greenlee #10-24NC High Speed Steel Drill/Tap Bit with Quick Change Hex Shank

Greenlee #10-24NC High Speed Steel Drill/Tap Bit with Quick Change Hex Shank

Professional Three-in-One Drilling, Tapping & Deburring Solution

The Greenlee #10-24NC Drill/Tap Bit delivers professional-grade performance for electrical contractors and technicians requiring efficient hole preparation in metal applications. This high-speed steel bit combines drilling, tapping, and deburring operations in a single tool, designed for up to 10-gauge metal thickness with 24 TPI threading capability and quick change hex shank compatibility.

Professional Features & Benefits

• High Speed Steel Construction: Hardened high-speed steel material provides superior durability and longer tool life compared to carbon steel alternatives for demanding professional applications.
• Three-in-One Operation: Complete hole drilling, tapping and deburring/countersinking in one operation with power drill saves significant labor time and increases job site efficiency.
• Quick Change Hex Shank: 1/4 inch quick change hex shank design ensures strong connection to drill chuck and enables rapid bit changes for improved productivity.
• Back Tapered Design: Back tapered beyond tap prevents thread damage from over-drilling, ensuring clean, professional threading results every time.
• Split Point Technology: Split point with web thinning provides precise drilling starts and reduces walking on metal surfaces for accurate hole placement.
• Multi-Material Compatibility: Designed to work effectively on mild steel, copper, brass, and aluminum up to 10-gauge thickness for versatile job site applications.
• Integrated Deburring: Built-in deburr/countersink feature beyond back taper eliminates sharp edges and provides finished hole preparation in one step.

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
• Product Size: #10
• Shank: 1/4 IN Quick Change Hex
• Thread Per Inch: 24 TPI
• Thread Type: NC

Installation & Operation

1. Mount the drill/tap bit securely in a compatible power drill with quick change chuck or standard chuck adapter.
2. Mark the desired hole location and ensure proper workpiece support and clamping for safe operation.
3. Begin drilling at moderate speed with steady downward pressure, allowing the split point to establish the hole location.
4. Continue drilling through the material thickness, allowing the integrated tap section to create threads automatically.
5. Complete the operation by allowing the deburring/countersink feature to finish the hole edges for professional results.
6. Remove the bit and inspect the completed threaded hole for proper thread formation and clean edges before fastener installation.

Professional Applications

• Electrical panel and enclosure installations requiring threaded mounting holes
• HVAC equipment mounting and bracket attachment applications
• Industrial machinery assembly and maintenance operations
• Commercial construction metal fabrication and modification work
• Telecommunications equipment installation and mounting systems
• Automotive and transportation industry metal working applications
• General contractor metal preparation and fastening operations

Why Choose Greenlee Quality?

Greenlee delivers professional-grade tools engineered for the demands of electrical and construction professionals. This high-speed steel drill/tap bit represents Greenlee’s commitment to durability, precision, and job site efficiency, providing reliable performance across multiple material types with the convenience of integrated drilling, tapping, and deburring operations in a single professional tool.