Greenlee 1/4" Cobalt Steel Pil...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$71.21
$21.21

Greenlee 1/4" Cobalt Steel Pilot Drill Bit with Split-Point Tip

(No reviews yet) Write a Review

Model: 645-001
Selected Model is

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

$71.21
$21.21
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks

Greenlee 1/4" Cobalt Steel Pilot Drill Bit with Split-Point Tip

Professional Precision Drilling for Arbor Applications

The Greenlee 1/4" Cobalt Steel Pilot Drill Bit delivers professional-grade performance for use with Greenlee arbors ranging from 5/8" to 2-1/4". Engineered with cobalt steel construction and featuring an innovative split-point tip design, this pilot drill eliminates the need for center punching while providing superior resistance to walking during drilling operations.

Professional Features & Benefits

  • 1/4" Diameter: Optimal size for pilot hole applications with Greenlee arbor systems, ensuring precise hole placement and clean drilling performance.
  • Cobalt Steel Construction: Superior material hardness and heat resistance for extended tool life and consistent performance in demanding drilling applications.
  • Split-Point Tip Design: Eliminates walking and reduces the need for center punching, providing immediate drilling accuracy and improved productivity.
  • Arbor Compatibility: Specifically designed for use with Greenlee arbors 5/8" to 2-1/4", ensuring proper fit and optimal drilling performance.
  • Professional Grade Quality: Greenlee engineering standards deliver reliable performance for professional electrical and construction applications.

Technical Specifications

  • Bit Diameter: 1/2 IN
  • Country Of Origin: China
  • Product Material: Cobalt Steel
  • Product Type: Pilot drill bit

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Electrical Panel Installation
  • Conduit and Junction Box Mounting
  • Commercial Construction Projects
  • Industrial Maintenance Operations
  • Professional Electrical Contracting
  • Precision Drilling Applications

Why Choose Greenlee Quality?

Greenlee delivers professional-grade tools engineered for reliability and durability in demanding work environments. The cobalt steel construction and precision split-point design ensure consistent performance and extended tool life, making this pilot drill bit a trusted choice for professional electricians and contractors.

Manufacturer Resources

Product Specs

Bit Diameter:
1/2 IN
Country Of Origin:
China
Product Material:
Cobalt Steel
Product Type:
Pilot drill bit

Greenlee 645-001 – Frequently Asked Questions

How fast can I get the Greenlee 645-001 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 Greenlee 645-001 come with a warranty?
Absolutely. The Greenlee 645-001 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 Greenlee 645-001?
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 Greenlee 645-001 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.