Klein Tools 13-Step Drill Bit with AlTiN Coating, 3/8-Inch Hex Shank, 1/8-Inch to 1/2-Inch

Klein Tools 13-Step Drill Bit with AlTiN Coating

Professional precision drilling with advanced coating technology

The Klein Tools 13-Step Drill Bit delivers professional-grade performance with Aluminum Titanium Nitride coating that provides 10 times more durability than steamed black oxide coating. Featuring a robust 3/8-inch hex shank and double straight flute design, this high-speed steel bit handles steel up to 16 gauge, wood, plastic, and aluminum with precision and reliability.

Professional Features & Benefits

• Aluminum Titanium Nitride Coating: Provides 10x longer bit life compared to standard coatings for extended tool performance and reduced replacement costs.
• 13-Step Size Range (1/8" to 1/2"): Eliminates the need for multiple bits, increasing efficiency and reducing tool inventory requirements.
• 3/8-Inch Hex Shank: Ensures positive grip and prevents spinning in drill chucks for consistent, reliable operation.
• Double Straight Flute Design: Efficiently removes chips and debris for clean cuts and smooth drilling performance.
• High Speed Steel Construction: Delivers durability and cutting performance across multiple material types including steel, aluminum, wood, and plastic.
• Laser Markings: Provide clear size identification for quick selection and improved workflow efficiency.
• 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: 4.7700 in
• Flute Type: Straight
• Height: 0.1800 in
• Increment: 1/32" (0.8 mm)
• Material: High Speed Steel
• Number Of Holes: 13
• Overall Height: 3.43" (8.7 cm)
• Overall Length: 0.5" (1.3 cm)
• Overall Width: 0.5" (1.3 cm)
• Product Details: Step Drill Bit
• Product Group: Hand Tools
• Product Size: 1/8" to 1/2" (3.2 to 12.7 mm)
• Product Subgroup: Screwdrivers & Drivers
• Product Type: Step Drill Bit
• Quick Reference: #1
• Shank Type: 3/8" Hex
• Weight: 0.0500 lbs
• Width: 3.0600 in

Installation & Operation

1. Mount the bit securely in a drill with compatible chuck size, ensuring the 3/8-inch hex shank is properly seated.
2. Select appropriate drilling speed based on material type and thickness being drilled.
3. Mark the desired hole location and position the fast-starting tip at the drilling point.
4. Apply steady, controlled pressure while drilling, allowing the double straight flutes to clear chips effectively.
5. Monitor drilling progress and step size selection using the laser markings for precise hole diameter.
6. Complete the hole to desired step size and remove bit carefully, following proper safety procedures throughout operation.

Professional Applications

• Electrical panel and enclosure installations requiring precise hole sizing
• HVAC ductwork and sheet metal fabrication projects
• Automotive repair and maintenance drilling applications
• General construction and maintenance drilling tasks
• Plumbing installations requiring multiple hole sizes
• Industrial maintenance and repair operations
• Professional contractor and tradesman applications

Why Choose Klein Tools Quality?

Klein Tools delivers professional-grade reliability with high-speed steel construction and advanced AlTiN coating technology. The precision laser markings and robust 3/8-inch hex shank design ensure consistent performance across demanding applications, making this step drill bit a trusted choice for electrical professionals and skilled tradesmen.