Klein Tools 12-Step Drill Bit 3/8-Inch Hex with AlTiN Coating 3/16-Inch to 7/8-Inch Professional Drilling System

Klein Tools 12-Step Drill Bit 3/8-Inch Hex with AlTiN Coating 3/16-Inch to 7/8-Inch Professional Drilling System

Professional step drilling solution with advanced coating technology

Klein Tools delivers professional-grade drilling performance with this 12-step drill bit featuring 3/8-inch hex shank and aluminum titanium nitride coating. Designed for versatile applications on steel up to 16 gauge, wood, plastic, and aluminum, this high-speed steel bit provides precise hole sizing from 3/16-inch to 7/8-inch in 1/16-inch increments. The double straight flute design ensures clean cuts and efficient chip removal for professional results.

Professional Features & Benefits

• Aluminum Titanium Nitride Coating: Provides 10 times more durability than steamed black oxide coating for extended bit life and consistent performance
• 3/8-Inch Hex Shank: Delivers firm, positive grip that won't spin out in the drill for reliable operation and enhanced control
• 12-Step Size Range: Covers 3/16-inch to 7/8-inch in precise 1/16-inch increments for versatile hole sizing applications
• Double Straight Flute Design: Removes chips efficiently for clean cuts and smooth drilling operation across multiple materials
• High Speed Steel Construction: Provides durability and cutting performance for professional drilling applications
• Laser Markings: Easy-to-read size identification for quick selection and efficient workflow
• Fast-Starting Non-Walking Tip: Ensures precise hole placement and reduces bit wandering for accurate drilling results

Technical Specifications

• Coating: Aluminum Titanium Nitride (AlTiN)
• Department: Electrical
• Depth: 1.0000 in
• Flute Type: Straight
• Height: 1.0000 in
• Increment: 1/16" (1.6 mm)
• Material: High Speed Steel
• Number Of Holes: 12
• Overall Height: 3.2" (8.1 cm)
• Overall Length: 0.88" (2.2 cm)
• Overall Width: 0.88" (2.2 cm)
• Product Details: Step Drill Bit
• Product Group: Hand Tools
• Product Size: 3/16" to 7/8" (4.8 to 22.2 mm)
• Product Subgroup: Screwdrivers & Drivers
• Product Type: Step Drill Bit
• Quick Reference: #14
• Shank Type: 3/8" Hex
• Weight: 0.1500 lbs
• Width: 1.0000 in

Installation & Operation

1. Mount the bit securely in a compatible drill with 3/8-inch hex chuck or appropriate chuck adapter.
2. Select appropriate drilling speed based on material type and thickness specifications.
3. Position the bit at the desired drilling location and ensure proper alignment for accurate hole placement.
4. Apply steady, controlled pressure while drilling to maintain clean cutting action and prevent overheating.
5. Allow the double straight flutes to clear chips naturally during the drilling process for optimal performance.
6. Complete drilling operation and inspect hole quality, ensuring proper size and clean edges.

Professional Applications

• Electrical installations and panel modifications
• HVAC ductwork and ventilation system installations
• Metal fabrication and sheet metal work
• Woodworking and cabinet installation projects
• Plastic and composite material drilling
• Maintenance and repair operations
• Professional contractor and tradesman applications

Why Choose Klein Tools Quality?

Klein Tools delivers professional-grade drilling solutions with high-speed steel construction and advanced aluminum titanium nitride coating technology. The precision laser markings and 12-step sizing capability provide versatile performance for demanding professional applications, ensuring reliable results across steel, wood, plastic, and aluminum materials.