Greenlee 1/2" Spade Bit with W...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$57.13
$7.13
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Greenlee 1/2" Spade Bit with Wire Pulling Hole - Forged Heat Treated Steel

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Model: 33A-1/2

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

$57.13
$7.13
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Greenlee 1/2" Spade Bit with Wire Pulling Hole

Professional drilling solution for electrical and construction applications

The Greenlee 1/2" Spade Bit delivers reliable performance for boring through hardwood, softwood, plywood, and drywall. Featuring forged and heat treated construction for extended service life, this professional-grade bit includes a convenient wire pulling hole in the top center for electrical installations. Compatible with 1/4" or larger power drills, this versatile drilling tool provides consistent results across multiple material types.

Professional Features & Benefits

  • 1/2" Bit Diameter: Provides precise hole sizing for standard electrical and construction applications
  • Forged and Heat Treated Construction: Ensures extended tool life and consistent performance under demanding conditions
  • Wire Pulling Hole: Center hole design facilitates efficient wire routing in electrical installations
  • Multi-Material Compatibility: Effectively bores hardwood, softwood, plywood, and drywall for versatile job site use
  • 1/4" Hexagonal Shank: Provides secure grip and compatibility with standard power drill chucks
  • 6-1/4" Overall Length: Offers optimal reach and control for various drilling depths

Technical Specifications

  • Bit Diameter: 1/2 IN (12.700 MM)
  • Overall Length: 6-1/4 IN (158.800 MM)
  • Product Weight: 0.100 LB (45.300 GM)
  • Shank Size: 1/4 IN (6.400 MM)
  • Shank Type: Hexagonal

Installation & Operation

  1. Mount the bit securely in a 1/4" or larger power drill chuck, ensuring proper alignment and tight grip.
  2. Mark the desired hole location and ensure the work surface is properly secured and supported.
  3. Position the drill perpendicular to the work surface and begin drilling at moderate speed for initial penetration.
  4. Maintain steady pressure and appropriate drill speed based on material type and thickness being drilled.
  5. For wire pulling applications, utilize the center hole to guide wire through the drilled opening.
  6. Clean the bit after use and store in a dry location to maintain optimal performance and tool life.

Professional Applications

  • Electrical installations requiring wire routing through structural materials
  • Construction projects involving hardwood and softwood framing
  • Plywood and drywall penetrations for utility runs
  • Maintenance and repair work in residential and commercial settings
  • General drilling applications requiring precise 1/2" diameter holes
  • Professional contractor and electrician tool requirements

Why Choose Greenlee Quality?

Greenlee delivers professional-grade tools engineered for demanding job site conditions. The forged and heat treated construction ensures reliable performance and extended service life, while the specialized wire pulling hole design demonstrates Greenlee's understanding of electrical contractor needs. This spade bit represents the quality and functionality professionals expect from trusted Greenlee tools.

Manufacturer Resources

Product Specs

Bit Diameter:
1/2 IN (12.700 MM)
Overall Length:
6-1/4 IN (158.800 MM)
Product Weight:
0.100 LB (45.300 GM)
Shank Size:
1/4 IN (6.400 MM)
Shank Type:
Hexagonal

Greenlee 33A-1/2 – Frequently Asked Questions

How fast can I get the Greenlee 33A-1/2 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 33A-1/2 come with a warranty?
Absolutely. The Greenlee 33A-1/2 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 33A-1/2?
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 33A-1/2 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.