Lenox Step Drill Bit High Speed Steel 7/8-Inch to 1-3/8-Inch with 3/8-Inch Shank

Lenox Step Drill Bit High Speed Steel 7/8-Inch to 1-3/8-Inch with 3/8-Inch Shank

Professional Multi-Size Drilling Tool with Steam Oxide Coating

The Lenox Step Drill Bit delivers superior drilling performance for electrical and professional applications. This high speed steel step drill bit with 3/8-inch shank provides exceptional cutting power 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

• 2X Longer Life - Extended tool durability reduces replacement costs and downtime for professional applications
• Steam Oxide Coating - Enhanced surface treatment adds durability and extends cutting life in demanding conditions
• Patented Two Flute Design - Cuts fast, clean, round holes with superior chip removal and reduced heat buildup
• Split Point Design - Provides faster penetration and less walking for accurate hole placement

Professional Drilling Applications

• 50% Faster Starts - Immediate cutting action reduces drilling time and improves productivity
• Accurate, Burr-Free Holes - Clean cutting action eliminates secondary finishing operations
• Enhanced Flute Design - Removes chips rapidly for continuous cutting performance

Technical Specifications

Step Drill Bit with multiple diameter capabilities: 7/8-inch, 1-1/8-inch, 1-7/32-inch, 1-1/4-inch, and 1-3/8-inch. High Speed Steel construction with 3/8-inch shank diameter. Chuck size compatibility: 3/8-inch. Overall length: 3.001 inches, width: 1.6 inches, height: 6.1 inches. Weight: 0.39 lbs. Steam oxide coating for enhanced durability.

Installation & Usage

1. Secure the step drill bit in a 3/8-inch chuck drill or drill press
2. Mark the desired hole location and ensure workpiece is properly secured
3. Start drilling at low speed to establish the hole, then increase speed as needed
4. Apply steady, consistent pressure while allowing the bit to cut at its own pace
5. Monitor drilling progress and stop at the desired diameter step marking
6. Allow bit to cool between holes when drilling multiple openings

Professional Applications

Ideal for:

• Electrical Work - Creating precise holes for conduit, cable routing, and electrical box installations
• Sheet Metal Fabrication - Drilling clean, accurate holes in thin to medium gauge metal materials
• HVAC Installation - Precise hole cutting for ductwork connections and ventilation system components
• Plumbing Applications - Creating openings for pipe routing and fixture installations
• Construction Projects - General drilling applications requiring multiple hole sizes with one tool
• Maintenance Operations - Repair and modification work requiring precise hole placement
• Automotive Work - Body panel modifications and component mounting applications
• Industrial Manufacturing - Production drilling applications requiring consistent, burr-free holes

High Speed Steel Advantage

Lenox's choice of high speed steel construction provides exceptional hardness retention and cutting edge durability for demanding drilling applications. The steam oxide coating further enhances tool life by reducing friction and heat buildup during cutting operations, making this step drill bit ideal for repetitive drilling tasks in professional environments.

Why Choose Lenox Quality?

With decades of cutting tool innovation and manufacturing excellence, Lenox delivers the professional quality and drilling performance reliability that contractors, electricians, and tradespeople demand. This step drill bit represents Lenox's commitment to providing cutting-edge drilling solutions that enhance productivity and deliver consistent results in the most demanding professional applications.