Greenlee 6-Piece Spade Bit Set 3/8" - 1" Forged Heat Treated with Wire Pull Holes
Professional drilling performance for wood and drywall applications
The Greenlee 6-Piece Spade Bit Set delivers reliable drilling performance across hardwood, softwood, plywood and drywall applications. This forged and heat treated bit set provides long-lasting durability with convenient wire pulling capabilities through center holes in each bit. Compatible with 1/4" or larger power drills, this professional-grade set covers essential drilling diameters from 3/8" to 1" for versatile job site applications.
Professional Features & Benefits
- Forged and Heat Treated Construction: Ensures extended tool life and consistent performance under demanding drilling conditions.
- Complete Size Range 3/8" - 1": Six essential diameters provide comprehensive coverage for most drilling applications in a single convenient set.
- Wire Pull Holes: Center holes in each bit enable efficient wire pulling through drilled openings, streamlining electrical installation work.
- Multi-Material Compatibility: Engineered to bore effectively through hardwood, softwood, plywood and drywall for versatile application flexibility.
- Power Drill Compatible: Designed for use with 1/4" or larger power drills for efficient drilling with standard equipment.
- 6-1/4" Overall Length: Optimal length provides good reach while maintaining control and drilling precision.
Technical Specifications
- Bit Diameter: 3/8, 1/2, 5/8, 3/4, 7/8, 1"
- Country Of Origin: China
- Overall Length: 6-1/4 IN
- Product Type: Spade bit kit
Installation & Operation
- Mount the appropriate diameter bit securely in a 1/4" or larger power drill chuck.
- Mark drilling locations accurately and ensure adequate clearance behind the work surface.
- Position the drill perpendicular to the work surface and begin drilling at moderate speed.
- Apply steady, controlled pressure while allowing the bit to cut at its designed rate.
- For wire pulling applications, utilize the center hole to guide wire through the drilled opening.
- Clean bits after use and store in a dry location to maintain cutting performance and prevent corrosion.
Professional Applications
- Electrical rough-in and wire routing through framing members
- Plumbing installations requiring precise holes through wood structures
- HVAC ductwork installation and utility penetrations
- General construction drilling in residential and commercial projects
- Remodeling and renovation work requiring clean, accurate holes
- Maintenance and repair applications across multiple building types
Why Choose Greenlee Quality?
Greenlee delivers professional-grade tools engineered for demanding trade applications. This spade bit set combines forged construction with heat treatment for reliable performance and extended service life. The inclusion of wire pull holes demonstrates Greenlee's understanding of real-world electrical installation needs, providing added functionality that enhances job efficiency and professional results.
Manufacturer Resources
Spec Sheet
Product Specs
- Bit Diameter:
- 3/8, 1/2, 5/8, 3/4, 7/8, 1"
- Overall Length:
- 6-1/4 IN
- Product Type:
- Spade bit kit
- Department:
- Electrical
- Product Subgroup:
- Drill & Driver Bits
- Product Group:
- Power Tools & Accessories
- Product Length:
- 6.25 in
Greenlee 33AR-6 – Frequently Asked Questions
1) What sizes come in the Greenlee 33AR-6 spade bit set?
Six bits: 3/8, 1/2, 5/8, 3/4, 7/8 and 1 inch. That covers the common electrical rough-in holes for NM cable runs and conduit sleeves through studs and joists, and every bit runs 6-1/4 inches overall.
2) Will a 6-1/4 inch spade bit reach through a doubled-up stud or a header?
The bits are 6-1/4 inches overall, and that length includes the shank held in the chuck, so usable cutting depth is less than six inches. A single 2x4 or 2x6 is no problem, and so is a doubled 2x. For deeper runs, through a built-up header or a stacked plate assembly, you'll want a bit extension or a longer auger bit.
3) What are the wire pull holes on these Greenlee spade bits for?
Each bit has a hole through the center of the shank area so you can tie a pull wire or fish line to the bit after boring. Drill through the framing member, hook your wire to the hole, and back the bit out to pull the wire through the hole you just made. It saves a second trip with a fish tape on rough-in work.
4) Will the Greenlee 33AR-6 bits work in my cordless drill?
They're made for a 1/4 inch or larger power drill chuck, so any standard 3/8 inch or 1/2 inch cordless or corded drill takes them. The 1 inch bit in particular pulls real torque in hardwood, so a drill with a low-speed gear and a side handle makes it easier to control.
5) What materials can these Greenlee spade bits drill?
Hardwood, softwood, plywood and drywall. They're wood-boring bits, so they are not for steel studs, masonry or tile. If you're boring through metal framing you need a step bit or a bi-metal hole saw instead.
6) Are the Greenlee 33AR-6 bits forged or stamped?
Forged and heat treated, rather than stamped from flat sheet. That's the construction detail that matters if you're buying for a crew that bores all day, since it holds the cutting edge and the shank up under repeated heavy boring.
7) Is the Greenlee 33AR-6 one kit or do I order bits individually?
It's a single kit, model 33AR-6, sold as the complete six-bit set from 3/8 inch to 1 inch. There is one configuration to order, no size or finish choices to specify.
How fast can I get the Greenlee 33AR-6 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 33AR-6 come with a warranty?
Absolutely. The Greenlee 33AR-6 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 33AR-6?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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selection,
installation tips, and troubleshooting. Contact Us
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