Spyder

Spyder 600102 Rapid Core Eject Bi-Metal 4-1/8" Hole Saw

4.5 (95 reviews)

Bi-metal 4-1/8" hole saw with one-button rapid core ejection for faster, cleaner cuts through tough materials.

$24.99*$26.48Save 5%
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

The Spyder 600102 Rapid Core Eject Hole Saw brings a practical innovation to one of the most common frustrations in hole-cutting work: removing the material plug after each cut. Its spring-loaded eject mechanism lets you push the core out at the press of a button, eliminating the need to stop and pry out stuck plugs with a screwdriver. For electricians, plumbers, and HVAC installers who cut dozens of holes in a day, this feature translates directly into time saved on the job site.

The 4-1/8" diameter cup is made from bi-metal steel, combining a high-speed steel tooth edge with a flexible spring steel body for durability and resistance to heat buildup. The variable tooth pitch design alternates the spacing between teeth, which reduces vibration on entry and produces cleaner cuts through materials of varying thickness up to 1-7/8" deep. This covers standard dimensional lumber, drywall, and thin sheet metal commonly encountered during rough-in work. The hole saw is part of Spyder's Rapid Core Eject system and uses compatible arbors sold within that product line.

Key Features

New Rapid Core eject holes saws allow you drop out the core at the touch of a button

Made with tough bi-metal steel

Variable tooth pitch guarantees a fast and clean cut through all thicknesses

Cutting depth of up to 1-7/8"

Specifications

Brand
Spyder
Model
600102
Hole Saw Diameter
4-1/8"
Cutting Depth
Up to 1-7/8"
Material
Bi-Metal Steel
Tooth Design
Variable Tooth Pitch
Core Ejection
Rapid Core Eject (button-activated)

Pros & Cons

👍 Pros

  • One-button core ejection eliminates the hassle of manually prying out cut plugs
  • Bi-metal steel construction resists heat and wear for longer blade life than carbon steel alternatives
  • Variable tooth pitch delivers smoother starts and cleaner cuts through varying material thicknesses
  • 1-7/8" cutting depth handles standard framing lumber and most common wall assemblies
  • 4-1/8" diameter suits common recessed lighting, plumbing, and electrical rough-in applications

👎 Cons

  • Arbor is typically sold separately, adding to the total cost of the system
  • 4-1/8" is a single fixed diameter with no adjustability for slightly different hole sizes
  • Bi-metal teeth will still dull over time when cutting abrasive materials like cast iron or hardened steel
  • Rapid core eject mechanism adds bulk to the saw body compared to standard hole saws

Frequently Asked Questions

After completing a cut, you press the eject button on the saw body to push the material plug out of the cup without needing to pry it free with a screwdriver or other tool.
The Spyder 600102 has a cutting depth of up to 1-7/8 inches.
The bi-metal steel construction handles wood, plastic, thin metal, drywall, and similar materials. The variable tooth pitch is designed to cut cleanly through varying thicknesses.
The product listing is for the 4-1/8" hole saw itself. Check the Spyder Rapid Core Eject system for compatible arbors, which are typically sold separately.
Variable tooth pitch means the spacing between teeth alternates, which reduces vibration and allows the saw to start cuts more smoothly while maintaining aggressive material removal.