Klein Tools Premium Electricia...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$291.06
$241.06

Klein Tools Premium Electrician's Step Drill Bit Set 3/8-Inch Hex Shank with AlTiN Coating 3-Piece

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Model: KTSBSPRO
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$291.06
$241.06
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Klein Tools Premium Electrician's Step Drill Bit Set 3/8-Inch Hex Shank with AlTiN Coating 3-Piece

Professional-grade step drill bits engineered for electrician applications

Klein Tools delivers professional performance with this premium 3-piece step drill bit set featuring durable 3/8-inch hex shanks and advanced Aluminum Titanium Nitride coating. Designed specifically for electrician applications, these high-speed steel step bits provide reliable drilling performance on steel up to 16 gauge, wood, plastic, and aluminum materials. The modular case design integrates seamlessly with MODbox� systems and includes cutting oil for enhanced performance.

Professional Features & Benefits

  • Aluminum Titanium Nitride Coating: Delivers 10 times greater durability than steamed black oxide coating for extended bit life and consistent performance.
  • 3/8-Inch Hex Shank: Provides firm, positive grip that won't spin out in drill chucks, ensuring reliable power transfer and control.
  • Dual Straight Fluting: Removes chips efficiently for clean cuts and smooth drilling operation across multiple materials.
  • Fast-Starting Non-Walking Tip: Eliminates bit wandering for precise hole placement and professional results.
  • Laser Markings: Easy-to-read size identification enables quick selection and efficient workflow.
  • Modular Case with Cutting Oil: Compact design nests within MODbox� systems while included cutting oil enhances drilling performance.
  • Multi-Material Compatibility: Engineered for steel up to 16 gauge, wood, plastic, and aluminum applications.

Technical Specifications

  • Coating: Aluminum Titanium Nitride (AlTiN)
  • Country Of Origin: China
  • Department: Electrical
  • Depth: 9.2500 in
  • Flute Type: Straight
  • Height: 1.8000 in
  • Increment: Varies
  • Material: High Speed Steel
  • Number Of Holes: 12, 2, 3
  • Overall Height: 3.2" to 3.6" (8.1 to 9.4 cm)
  • Overall Length: 0.88" to 1.8" (2.2 to 4.6 cm)
  • Overall Width: 0.88" to 1.8" (2.2 to 4.6 cm)
  • Product Details: Step Drill Bit
  • Product Group: Hand Tools
  • Product Size: 3/16" to 7/8" (4.8 to 22.2 mm); 7/8" to 1-1/8" (22.2 to 28.6 mm); 7/8" to 1-3/8" (22.2 to 34.9 mm)
  • Product Subgroup: Screwdrivers & Drivers
  • Product Type: Step Drill Bit
  • Quick Reference: #14, #11, #15
  • Shank Type: 3/8" Hex
  • Weight: 1.2900 lbs
  • Width: 3.7200 in

Installation & Operation

  1. Mount the step bit securely in a drill chuck, ensuring the 3/8-inch hex shank is fully seated and tightened.
  2. Select the appropriate bit size based on laser markings for your specific hole diameter requirements.
  3. Apply cutting oil as needed to enhance drilling performance and extend bit life.
  4. Position the fast-starting tip at the desired drilling location and begin at low speed to prevent walking.
  5. Maintain steady pressure and moderate speed while allowing the dual straight flutes to clear chips effectively.
  6. Complete drilling operation and store bits in the modular case to protect coating and maintain organization.

Professional Applications

  • Electrical panel and enclosure installations
  • Conduit and cable entry points
  • Junction box mounting and connections
  • Commercial electrical installations
  • Residential wiring projects
  • Industrial maintenance and repair
  • HVAC electrical connections

Why Choose Klein Tools Quality?

Klein Tools delivers professional-grade reliability with high-speed steel construction and advanced Aluminum Titanium Nitride coating technology. The modular case design and MODbox� compatibility demonstrate Klein Tools' commitment to organized, efficient workflow solutions for electrical professionals. With laser markings for quick identification and included cutting oil, this step bit set represents Klein Tools' dedication to practical, durable tools that enhance productivity on every job site.

Manufacturer Resources

Product Specs

Coating:
Aluminum Titanium Nitride (AlTiN)
Country Of Origin:
China
Depth:
9.2500 in
Flute Type:
Straight
Increment:
Varies
Number Of Holes:
12, 2, 3
Overall Height:
3.2" to 3.6" (8.1 to 9.4 cm)
Overall Length:
0.88" to 1.8" (2.2 to 4.6 cm)
Overall Width:
0.88" to 1.8" (2.2 to 4.6 cm)
Quick Reference:
#14, #11, #15
Shank Type:
3/8" Hex
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Screwdrivers & Drivers
Product Type:
Step Drill Bit
Product Size:
3/16" to 7/8" (4.8 to 22.2 mm); 7/8" to 1-1/8" (22.2 to 28.6 mm); 7/8" to 1-3/8" (22.2 to 34.9 mm)
Product Details:
Step Drill Bit
Product Height:
1.8000 in
Product Material:
High Speed Steel
Product Weight:
1.2900 lbs
Product Width:
3.7200 in

Klein Tools KTSBSPRO – Frequently Asked Questions

How fast can I get the Klein Tools KTSBSPRO delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Klein Tools KTSBSPRO come with a warranty?
Absolutely. The Klein Tools KTSBSPRO is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Klein Tools KTSBSPRO?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Klein Tools KTSBSPRO from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.