Greenlee 1-1/4" Spade Bit with...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$62.71
$11.41
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Greenlee 1-1/4" Spade Bit with Wire Pulling Hole - Forged Heat Treated Construction

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Model: 33A-1-1/4

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

$62.71
$11.41
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Greenlee 1-1/4" Spade Bit with Wire Pulling Hole

Professional drilling solution with integrated wire pulling capability

The Greenlee 1-1/4" Spade Bit delivers professional performance for electrical and construction applications. Featuring forged and heat treated construction for long life, this spade bit includes a convenient hole in the top center for wire pulling operations. Compatible with 1/4" or larger power drills, it efficiently bores through hardwood, softwood, plywood and drywall materials.

Professional Features & Benefits

  • 1-1/4" Bit Diameter: Provides precise hole sizing for standard electrical and construction applications
  • Wire Pulling Hole: Integrated top center hole enables efficient wire routing and pulling operations
  • Forged and Heat Treated Construction: Ensures extended tool life and consistent performance under demanding conditions
  • 1/4" Hexagonal Shank: Provides secure grip and compatibility with standard power drill chucks
  • Multi-Material Capability: Effectively bores hardwood, softwood, plywood and drywall for versatile applications
  • 6-1/4" Overall Length: Offers optimal reach and control for standard drilling depths

Technical Specifications

  • Bit Diameter: 1-1/4 IN (31.800 MM)
  • Overall Length: 6-1/4 IN (158.800 MM)
  • Product Weight: 0.150 LB (68.000 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 engagement with the hexagonal shank.
  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, thread wire through the top center hole before or after drilling as required.
  6. Complete the drilling operation and remove debris from the hole and bit before storage or next use.

Professional Applications

  • Electrical rough-in and wire routing operations
  • Construction and remodeling projects
  • Carpentry and woodworking applications
  • Drywall installation and modification
  • Plywood and engineered lumber drilling
  • General contractor and maintenance work

Why Choose Greenlee Quality?

Greenlee delivers professional-grade tools engineered for reliability and performance. The forged and heat treated construction ensures consistent results and extended service life, while the integrated wire pulling feature adds practical functionality for electrical applications. Trust Greenlee quality for demanding professional use.

Manufacturer Resources

Product Specs

Bit Diameter:
1-1/4 IN (31.800 MM)
Overall Length:
6-1/4 IN (158.800 MM)
Product Weight:
0.150 LB (68.000 GM)
Shank Size:
1/4 IN (6.400 MM)
Shank Type:
Hexagonal

Greenlee 33A-1-1/4 – Frequently Asked Questions

1) Will the Greenlee 33A-1-1/4 spade bit fit a standard cordless drill chuck?
Yes. The Greenlee 33A-1-1/4 has a 1/4 inch hexagonal shank, so it seats in any 1/4 inch or larger drill chuck, and the hex flats keep it from spinning under load in a keyless chuck. A 1/4 inch hex shank also drops straight into an impact driver or a quick-change hex holder.
2) What is the hole in the tip of this Greenlee spade bit for?
That hole through the top center is for wire pulling. After you bore the hole, you thread the wire or a pull string through the opening in the bit and draw it back through the stud or joist as you retract, so you drill and pull in one pass instead of fishing the run separately. It is the reason electricians keep this bit in the pouch on a rough-in.
3) Is a 1-1/4 inch spade bit the right size for running Romex through studs?
The 33A-1-1/4 bores a 1-1/4 inch hole, which gives room for multiple NM cable runs through a stud or joist bay with slack to pull. For a single small cable most electricians step down to a smaller bit; 1-1/4 inch is the size you pick when several conductors share the bore or you want clearance for the pull. Note that the bit diameter is the finished hole size, so check your bore against any nail-plate or notching limits on the framing member.
4) How deep can the Greenlee 33A-1-1/4 drill in one pass?
Overall length is 6-1/4 inches, and that includes the shank held in the chuck, so usable cutting depth is less than the full 6-1/4 inches. It handles a single 2x4 or 2x6 stud drilled flat with room to spare. For deeper work, such as ganged studs, a doubled top plate stack, or drilling from an awkward angle, you need a bit extension or a longer auger.
5) What materials will this spade bit cut?
Hardwood, softwood, plywood and drywall. It is a wood-boring bit, so keep it off metal, masonry and tile. Forged and heat treated steel is what lets it keep an edge through repeated framing work rather than dulling after a handful of studs.
6) Can I use this Greenlee bit in an impact driver?
The 1/4 inch hex shank is the standard impact-driver interface, so it will seat and drive. Keep the speed moderate and let the bit cut rather than forcing it; a spade bit that grabs at high torque will twist the drill out of your hands or split the exit face of the material.
7) How do I order the Greenlee 1-1/4 inch spade bit, and does it come in other diameters?
The part number is Greenlee 33A-1-1/4, and the 1-1/4 inch size is the single configuration under that number. The 33A designation is the series; the fraction after it is the cutting diameter, so other sizes in the family carry their own suffix. Order by the full number including the size to avoid getting the wrong bore.
8) How much does the 33A-1-1/4 spade bit weigh for a service truck or tool pouch?
0.150 lb, about 68 grams. Light enough that a full set of sizes adds almost nothing to a pouch, which is why crews carry the range rather than one bit and a hole saw.
How fast can I get the Greenlee 33A-1-1/4 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-1-1/4 come with a warranty?
Absolutely. The Greenlee 33A-1-1/4 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-1-1/4?
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-1-1/4 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.
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