Klein Tools Step Drill Bit Kit 3-Piece Quick Release 1/4-Inch Hex Shank High Speed Steel Premium All Purpose

Klein Tools Step Drill Bit Kit 3-Piece Quick Release Premium All Purpose

Professional-Grade Step Drill Bit Set with Aluminum Titanium Nitride Coating

The Klein Tools Step Drill Bit Kit 3-Piece Quick Release delivers professional-grade drilling performance for electrical, construction, and industrial applications. This high speed steel step bit set features aluminum titanium nitride coating and dual spiral fluting designed for electricians, contractors, and maintenance professionals, providing the reliable performance and industry-leading quality that tradesmen demand from America's most trusted tool manufacturer.

Professional Features & Benefits

Advanced Coating Technology

• Aluminum Titanium Nitride Coating - 10 times more durable than steamed black oxide coating for extended bit life and superior performance
• Dual Spiral Fluting - Removes chips efficiently for faster cuts and smoother drilling operation
• Laser Markings - Easy-to-read size identification for quick selection and professional efficiency
• Fast-Starting Non-Walking Drill Tip - Precise hole placement and reduced bit wandering for accurate drilling

Professional Construction & Durability

• High Speed Steel Construction - Premium material provides exceptional durability and cutting performance across multiple materials
• Impact Rated Shaft - Compatible with both impact drivers and standard drills for versatile professional use
• Quick-Release 1/4-Inch Hex Shank - Firm, positive grip prevents spinning out in drill chuck for reliable operation

Modular Storage System

• Compact Modular Case - Includes cutting oil and nests neatly within MODbox toolboxes and Case Adapter Side Rail Attachment
• Professional Organization - Keeps bits secure and organized for efficient job site management and tool accountability

Technical Specifications

Three-piece step drill bit set with size ranges: 1/8" to 1/2" (3.2 to 12.7 mm), 1/4" to 3/4" (6.4 to 19.1 mm), and 3/16" to 7/8" (4.8 to 22.2 mm). High speed steel construction with aluminum titanium nitride coating. 1/4-inch hex shank design. Dual spiral flute configuration. Includes 13, 9, and 12 hole drilling capabilities. Case dimensions: 3.7" width x 1.8" height x 9.25" depth. Total weight: 0.8 lbs. Includes cutting oil for optimal performance.

Installation & Usage

1. Select appropriate step bit size for desired hole diameter range and material thickness
2. Apply included cutting oil to bit for optimal cutting performance and extended tool life
3. Secure 1/4-inch hex shank firmly in drill chuck or impact driver for positive grip
4. Position fast-starting tip at desired hole location and begin drilling at moderate speed
5. Allow dual spiral flutes to clear chips naturally while maintaining steady drilling pressure
6. Monitor laser markings to achieve precise hole diameter for professional installation requirements

Professional Applications

Ideal for:

• Electrical Installation - Drilling holes in electrical panels, junction boxes, and conduit fittings for wire management
• Construction Work - Creating precise holes in steel framing, aluminum siding, and plastic materials up to 16 gauge
• HVAC Applications - Drilling ductwork, equipment mounting holes, and ventilation system installations
• Industrial Maintenance - Equipment repair, machinery modification, and facility maintenance drilling tasks
• Telecommunications - Cable entry holes, equipment mounting, and infrastructure installation projects
• Automotive Work - Body panel drilling, bracket installation, and custom fabrication projects
• Plumbing Applications - Pipe support drilling, fixture mounting, and system modification work
• General Contracting - Multi-material drilling for wood, plastic, aluminum, and steel applications

Aluminum Titanium Nitride Advantage

Klein Tools' advanced aluminum titanium nitride coating technology provides superior wear resistance and heat dissipation compared to standard coatings. This professional-grade surface treatment extends bit life significantly while maintaining sharp cutting edges for consistent hole quality. The coating reduces friction and heat buildup during drilling, enabling faster cutting speeds and improved productivity for electrical and construction professionals.

Why Choose Klein Tools Quality?

Since 1857, Klein Tools has maintained America's highest standards for electrical tool manufacturing, combining traditional craftsmanship with innovative engineering. Each step drill bit undergoes rigorous testing protocols to ensure professional-grade performance and safety compliance. Klein Tools' commitment to quality means electricians, contractors, and maintenance professionals can rely on consistent performance, extended tool life, and the precision required for critical electrical and construction applications.