Lenox Vari-Bit Step Drill Bit High Speed Steel 7/8-Inch 3/8-Inch Shank

Lenox Vari-Bit Step Drill Bit High Speed Steel 7/8-Inch 3/8-Inch Shank

Professional Step Drilling Tool for Electrical Applications

The Lenox Vari-Bit Step Drill Bit delivers superior drilling performance for electrical conduit installations and professional applications. This 7/8-inch high speed steel step drill bit with 3/8-inch shank provides exceptional cutting precision designed for professional contractors, electricians, and tradespeople, offering the proven performance and innovation that professionals expect from America's premier cutting tool manufacturer.

Professional Features & Benefits

Advanced Cutting Performance

• Split Point Design - Enables faster penetration and reduces bit walking for precise hole placement and professional results
• Patented Two Flute Design - Cuts fast, clean, round holes with superior chip removal and reduced heat buildup
• Enhanced Flute Design - Removes chips rapidly for continuous cutting performance and extended tool life
• Steam Oxide Coating - Adds durability and wear resistance for long-lasting professional performance

Professional Drilling Applications

• Starts On Contact - Immediate cutting action without pre-drilling for efficient workflow and time savings
• Accurate, Burr-Free Holes - Clean cutting results that eliminate secondary finishing operations
• 50% Faster Starts - Rapid initial penetration for increased productivity on electrical installations

Technical Specifications

Bit Diameter: 7/8 inch (.875 in), Shank Diameter: 0.25 inch (1/4 inch), Chuck Size: 1/4 inch, Product Primary Material: High Speed Steel, Length: 3 inches, Width: 1.1 inches, Height: 6.1 inches, Depth: 4 inches, Weight: 0.12 lbs, Product Group: Electrical, Power Source: Non-Energy Using

Installation & Usage

1. Secure the step drill bit in a 1/4-inch chuck drill or driver
2. Mark the drilling location and ensure proper workpiece support
3. Position the split point design at the marked location for immediate contact
4. Apply steady pressure while drilling to maintain consistent cutting speed
5. Allow the enhanced flute design to remove chips naturally during operation
6. Complete the hole to desired diameter using the stepped cutting edges

Professional Applications

Ideal for:

• Electrical Work - Conduit installations, junction box mounting, and electrical panel preparations
• HVAC Applications - Ductwork connections, refrigeration line installations, and ventilation system mounting
• Plumbing Projects - Pipe routing, fixture installations, and water line connections
• Construction Tasks - Metal framing, structural connections, and building system installations
• Maintenance Operations - Equipment repairs, system upgrades, and facility modifications
• Industrial Applications - Manufacturing equipment installation, machinery mounting, and production line setup
• Automotive Work - Body panel drilling, exhaust system modifications, and accessory installations
• General Metalworking - Sheet metal fabrication, bracket mounting, and custom metal projects

High Speed Steel Advantage

The high speed steel construction provides exceptional hardness and heat resistance, maintaining sharp cutting edges even under demanding drilling conditions. This premium material choice ensures consistent performance across various materials while delivering the durability and precision that professional contractors require for electrical and general drilling applications.

Why Choose Lenox Quality?

With decades of cutting tool innovation and manufacturing excellence, Lenox has established itself as the trusted choice for professional contractors, electricians, and tradespeople. Our commitment to quality engineering, rigorous testing standards, and continuous improvement ensures that every Lenox step drill bit delivers the reliable performance and long-lasting durability that professionals depend on for their most demanding drilling applications.