Carbide Cutter Quick Change 8Pc Hole Making Set - Fast Stainless Cuts

In this review the focus is on a practical hole cutting kit aimed at electricians, metalworkers and tradespeople who need fast, clean holes in mild steel and stainless. The Greenlee Carbide Cutter Quick Change 8Pc set paired with the 645-001 pilot drill is built for onsite use and stands out for cutting speed and clean results; users who value a quick change arbor and burrfree finishes will find this kit immediately useful. The review looks at durability, cutting performance and everyday job site fit.

Key Features

• Quick change arbor: The arbor lets you swap cutter heads with a simple push and turn, reducing downtime between sizes.
• Versatile arbor use: One arbor works with multiple cutting heads so you can cover a range of hole sizes without extra shanks.
• Carbide cutting edges: Carbide tips are sharp and designed to cut stainless steel quickly and produce clean, burrfree holes.
• Included pilot drill: The Greenlee 645-001 pilot drill is a cobalt steel bit sized to guide hole cutters from 5/8 in to 2-1/2 in and helps maintain drill accuracy.
• Flange stop: A builtin flange stop on the arbor prevents overdrilling and helps achieve consistent hole depth.
• US manufacturing support: Greenlee notes multiple US facilities and testing aimed at durability and real world job site function.

Who It's For

The set is best for busy electricians, installers and metal fabricators who need to cut accurate through holes in conduit, mild steel and stainless without spending extra time deburring. Its quick change design suits users who switch sizes often and want a reliable arbor that fits several cutters.

Those who should look elsewhere include users who need woodworking hole saws, ultralarge industrial hole saws beyond the listed sizes, or buyers focused solely on occasional DIY use where a simpler, lower cost kit might suffice.

Pros & Cons

Pros

• Sharp carbide blades cut stainless and mild steel quickly for clean, burrfree holes.
• Quick change arbor saves time when moving between cutter sizes on the same job.
• Includes a cobalt pilot drill sized to work with 5/8 in to 2-1/2 in cutters, aiding drill accuracy.
• Flange stop reduces the chance of overdrilling, improving repeatability.

Cons

• Durability reports are mixed among users, so heavy daily use may require inspection and possible replacement sooner than for other consumables.
• The set is specialized for metal hole making and is not intended for wood or masonry applications.

Specifications

Product type	Carbide cutter quick change hole making set
Kit contents	8Pc carbide cutters and 645-001 pilot drill
Pilot drill size	5/8 in dia. x 2-1/4 in length
Pilot drill material	Cobalt steel with 1/4 in hex shank
Fits hole saw diameter	5/8 in to 2-1/2 in
Arbor feature	Quick change with flange stop to prevent overdrilling
Manufacturing note	Designed and produced with Greenlee operations across seven US facilities

Our Verdict

The Greenlee Carbide Cutter Quick Change 8Pc set with the 645-001 pilot drill is a practical, valueoriented choice for professionals who cut metal regularly and need fast, clean holes. It earns recommendation for tradespeople seeking cutting speed, an interchangeable arbor and a pilot drill that improves accuracy; buyers who expect extreme longevity under heavy industrial loads should inspect wear over time.

Frequently Asked Questions

Can this kit cut stainless steel?
Yes, the carbide cutters are reported to cut stainless steel quickly and produce clean, burrfree holes when used with the included pilot drill.

What hole sizes does the pilot drill support?
The 645-001 pilot drill fits hole cutters from 5/8 in up to 2-1/2 in diameter and has a 1/4 in hex shank.

Is the quick change arbor universal?
The quick change arbor is designed to work with the included cutter heads so the same arbor can be used for different sizes in this kit, speeding size changes on the job.