Spyder 600925 9-Piece Carbide-Tipped Hole Saw Kit — main product image

Spyder 600925 9-Piece Carbide-Tipped Hole Saw Kit

Spyder

Spyder 600925 9-Piece Carbide-Tipped Hole Saw Kit

Name: Spyder 600925 9-Piece Carbide-Tipped Hole Saw Kit
Brand: Spyder
SKU: 600925

★★★★★3.2 (12 reviews)

Spyder's carbide-tipped fangs cut through stainless steel, nail-embedded wood, and PVC up to 50x longer than bi-metal hole saws — without prying out the core.

$87.55*

✓ In Stock on Amazon.com

View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Spyder 600925 is a nine-piece TCT (Tungsten Carbide Tipped) hole saw kit built around Spyder's Tarantula design — a saw geometry that uses carbide "fangs" rather than conventional bi-metal teeth. The practical implication of carbide tipping is substantial: where bi-metal teeth soften and dull when cutting through hardened materials like stainless steel, fasteners embedded in lumber, or abrasive fiber cement board, carbide retains its cutting edge through dramatically more material. Spyder's 50x more cuts claim reflects this edge retention differential against standard bi-metal in those hard materials. The five included sizes — 1", 1-1/8", 1-3/8", 1-1/2", and 2" — target the dimension range used most in electrical rough-in, plumbing stub-outs, HVAC penetrations, and lockset installation.

The Rapid Core Eject Arbor system is the workflow differentiator in daily use. Traditional hole saws trap the cut plug inside the cup, requiring a screwdriver inserted through the access slots to lever it out — interrupting pace and occasionally bending the pilot bit. Spyder's push-rod ejector clears the plug in one motion, keeping you moving on production framing or renovation work. The kit's Hex8 and Hex10 arbor pair handles both small and large saw diameters appropriately, and the universal thread means the saws aren't stranded if an arbor wears out. The hard case is a genuine field benefit — carbide is brittle enough that loose rattling in a tool bag will chip teeth over time, and organized storage extends kit life significantly.

Key Features

Kit includes 5 hole saws: 1, 1-1/8, 1-3/8, 1-1/2, and 2-inch, 2 HSS pilot bits: Hex8 and Hex10, 2 arbors: Hex10 and Hex8, and a hard case

Tarantula TCT hole saws cut 10x faster and make up to 50x more cuts than standard bi-metal hole saws

Cut steel, stainless steel, wood with nails, plastics/PVC, non-ferrous metals, fiber cement board, fiberglass, mineral fiber, and more

Rapid Core Eject Arbor System lets you eject cores without prying, quickly change diameter, cut at an angle, and enlarge existing holes

Universal thread uses Spyder arbor/pilot bits or other universal hole saw arbors

Specifications

Kit Contents

5 hole saws, 2 HSS pilot bits, 2 arbors, hard case

Hole Saw Sizes

1", 1-1/8", 1-3/8", 1-1/2", 2"

Tooth Material

Carbide-Tipped (TCT)

Pilot Bits

Hex8 HSS, Hex10 HSS

Arbors

Hex10, Hex8 (Rapid Core Eject)

Thread Type

Universal (compatible with standard hole saw arbors)

Compatible Materials

Steel, stainless steel, nail-embedded wood, plastics/PVC, non-ferrous metals, fiber cement, fiberglass, mineral fiber

Storage

Hard carry case included

Pros & Cons

👍 Pros

TCT carbide teeth last up to 50x longer than bi-metal in abrasive materials like stainless steel and fiber cement
Rapid Core Eject eliminates the time-wasting and tool-damaging process of prying plugs from the saw cup
Five-size range (1" to 2") in a single kit covers the most common rough-in and installation hole sizes
Universal thread accepts both included arbors and existing standard hole saw arbors, protecting tooling investment
Hard carry case keeps all nine pieces organized and protects carbide teeth from contact damage in a work bag

👎 Cons

Carbide teeth are harder but more brittle than bi-metal — forcing a cut or dropping the saw on concrete risks chipping a tooth
2-inch maximum diameter limits the kit for larger rough-in work like dryer vents or large plumbing passes requiring 2.5-inch-and-up saws
Carbide-tipped saws cut best at lower RPMs than bi-metal — operators used to running hole saws fast will need to adjust technique
Kit does not include an extension, which is needed for deep walls or double-stud situations
Price per piece is higher than standard bi-metal kits, making this a questionable choice if your work stays exclusively in soft pine and drywall

Frequently Asked Questions

Can these hole saws actually cut through hardened stainless steel, or is that a soft-stainless claim?

The Tarantula TCT (Tungsten Carbide Tipped) teeth are rated for stainless steel and steel. Carbide retains its edge at the elevated temperatures generated cutting hard steel where bi-metal teeth anneal and dull rapidly. That said, cutting speed and bit pressure still need to be controlled — carbide is harder but more brittle than bi-metal, so forcing the cut creates fracture risk.

How does the Rapid Core Eject system work on these arbors?

The Rapid Core Eject Arbor uses a push-rod mechanism built into the arbor shaft. After completing a through-cut, you actuate the ejector to push the captured plug out of the saw cup — no screwdriver, no prying, no stopping to fish out the core. It also allows quick diameter swaps between the included hole saws without fully disassembling the arbor.

Will the included arbors work with standard drill chucks?

Yes. The kit includes both Hex8 and Hex10 arbors, which are hex-shank formats compatible with standard keyless and keyed drill chucks and quick-change chuck systems. The universal thread on the hole saws also accepts other standard hole saw arbors if you have existing tooling.

What's the practical difference between the Hex8 and Hex10 arbors?

Hex10 handles the larger diameter saws in the kit (up to 2 inch) where torque loads are higher, while Hex8 is suited to the smaller diameters. Using the correctly sized arbor for each saw reduces wobble and improves cut concentricity at the larger diameters.

Can I cut at an angle with these hole saws?

Yes — the Rapid Core Eject Arbor system supports angled cuts, which is useful for plumbing rough-ins and conduit entry points where a perpendicular bore isn't feasible. The arbor's design accommodates the lateral stress of off-axis cutting better than standard arbors.