Greenlee .312 Hex Shank Hole S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$70.19
Greenlee .312 Hex Shank Hole Saw Arbor with High-Speed Steel Pilot Drill

Greenlee .312 Hex Shank Hole Saw Arbor with High-Speed Steel Pilot Drill

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Model: 38522B

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

$70.19
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Greenlee 0.312 Hex Shank Hole Saw Arbor with High Speed Steel Pilot Drill

Professional Hole Saw Arbor for Precision Cutting Applications

The Greenlee 0.312 Hex Shank Hole Saw Arbor delivers professional-grade performance for contractors and technicians requiring reliable hole cutting solutions. This precision-engineered arbor features a high speed steel pilot drill and accommodates hole saws from 9/16 IN to 1-3/16 IN (14.300 - 30.200 MM), making it ideal for electrical installations, recessed lighting, and general construction applications.

Professional Features & Benefits

  • 0.312 Hex Shank Design: Ensures solid connection without gaps or wobbling for precise, stable cutting performance
  • High Speed Steel Pilot Drill: Provides superior durability and cutting efficiency with replaceable design for long-term value
  • Universal Compatibility: Works with Greenlee bimetal hole saws, recessed light hole saws, and carbide-grit hole saws for versatile applications
  • Extension Ready: Compatible with Greenlee #901 or #904 bit extensions for extended reach capabilities
  • Split-Point Tip Design: Unique pilot drill tip configuration delivers faster penetration and reduced walking
  • 3/8 IN Minimum Chuck Size: Fits standard drill chucks for broad compatibility with professional drilling equipment
  • Lightweight Construction: At 0.200 LB, provides excellent control and reduces operator fatigue during extended use

Technical Specifications

  • Minimum Chuck Size: 3/8 IN (9.500 MM)
  • Package: Bulk Pack
  • Product Material: High Speed Steel Pilot Drill Bit
  • Product Type: Hex Shank
  • Product Weight: 0.200 LB (91.000 GM)
  • Shank Diameter: 5/16 IN (7.900 MM)

Installation & Operation

  1. Mount the arbor securely in a drill chuck with minimum 3/8 IN capacity, ensuring proper alignment and tightness.
  2. Select the appropriate Greenlee hole saw size (9/16 IN - 1-3/16 IN) and attach firmly to the arbor threading.
  3. Position the pilot drill at the desired cutting location and apply steady, controlled pressure during operation.
  4. Maintain consistent drilling speed appropriate for the material being cut and hole saw specifications.
  5. Use Greenlee #901 or #904 bit extensions when extended reach is required for the application.
  6. Replace the high speed steel pilot drill when worn to maintain optimal cutting performance and precision.

Professional Applications

  • Electrical installations requiring precise hole cutting for conduit and wiring access
  • Recessed lighting installation in residential and commercial construction
  • HVAC ductwork modifications and ventilation system installations
  • General construction and remodeling projects requiring clean, accurate holes
  • Professional contractor work demanding reliable, wobble-free cutting performance
  • Maintenance and repair applications in commercial and industrial facilities

Why Choose Greenlee Quality?

Greenlee delivers the industry's best arbor design with solid connection technology that eliminates gaps and wobbling for professional results. The replaceable high speed steel pilot drill and robust hex shank construction ensure long-lasting performance and value for demanding professional applications.

Manufacturer Resources

Product Specs

Department:
Electrical
Product Subgroup:
Hole Saws & Bits
Product Type:
Hole Saw Arbor
Product Material:
High Speed Steel Pilot Drill Bit
Product Group:
Power Tools & Accessories

Greenlee 38522B – Frequently Asked Questions

1) What hole saw sizes does the Greenlee 38522 arbor fit?
The Greenlee 38522 hex shank arbor takes hole saws from 9/16 inch up to 1-3/16 inch (14.3 to 30.2 mm). Anything larger needs a bigger arbor. It threads onto Greenlee bimetal hole saws, recessed light hole saws, and carbide-grit hole saws.
2) Can I use this arbor for drilling recessed can light holes in a ceiling where I need more reach?
For recessed lighting work the arbor takes Greenlee recessed light hole saws, and when you need to get past joists or reach up into a ceiling cavity it accepts Greenlee #901 or #904 bit extensions. Note the saw size limit though: 9/16 inch to 1-3/16 inch, so this is the arbor for the small pilot and wire-pass holes, not for cutting the can opening itself.
3) Is the pilot drill on the Greenlee 38522 arbor replaceable?
It is. The pilot bit is high speed steel with a split-point tip, and it is designed to be swapped out when it dulls instead of replacing the whole arbor. Split point is what keeps it from walking when you start a hole on sheet metal or a stud face.
4) What is the difference between Greenlee 38522 and 38522B?
Same arbor, different packaging. The 38522 is the single pack and the 38522B is the bulk pack. If you are stocking a shop or a service truck fleet, order the bulk pack; for a single tool bag, the single pack is the one.
5) Can I use this arbor with hole saws from another brand?
Greenlee states it works with their bimetal, recessed light, and carbide-grit hole saws in the 9/16 to 1-3/16 inch range. Other brands are not called out, so match the saw's thread and size to the arbor before you commit, and stay inside that size window regardless of brand.
How fast can I get the Greenlee 38522B 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 38522B come with a warranty?
Absolutely. The Greenlee 38522B 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 38522B?
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 38522B 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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