Diablo Hole Saw Set DHS08SCTR 8-Piece (Demo Demon Carbide Teeth SnapLock PLUS Mandrel 2-3/8 Deep Rough-In Nail Embedded Wood Boring Tool Kit)

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SKU: DHS08SCTR
Regular price $195.99 USD

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Diablo DHS08SCTR 8-Piece Demo Demon Carbide Rough-In Hole Saw Set

The Diablo DHS08SCTR 8-piece Demo Demon carbide teeth rough-in hole saw set bores large-diameter utility openings through nail-embedded lumber, roof shingles, fiber cement siding, and clean dimensional wood. Engineered with high-performance carbide teeth that deliver up to 50X longer cutting life and 5X faster material removal compared to standard bi-metal hole saws, each cup features an extended 2-3/8-inch cutting depth to cut 2x timber in a single pass. Outfitted with the patented SnapLock PLUS quick-change mandrel system, two high-speed pilot bits, and tool-free core plug ejection, it equips residential plumbers, commercial electricians, and HVAC mechanics with rapid, non-binding utility rough-in boring across handheld and right-angle drills.

Best Used For:

  • Plumbing Drainage and Vent Rough-Ins: Boring 2-1/8-inch to 4-5/8-inch clearance holes through floor joists and wall studs packed with framing nails and construction screws.
  • Electrical Junction and Conduit Passages: Slicing clean service entries through fiber cement exterior panels, roof decking, and wood siding without tooth fracturing.
  • HVAC Duct and Flue Penetrations: Cutting wide utility runs through multi-layer asphalt shingles, structural sheathing, and dense engineered lumber.

Key Performance & Safety Features

  • High-Performance Carbide Teeth: Micro-grain carbide formulation resists abrasive wear to deliver up to 50X longer operational life in severe multi-material substrates.
  • Extended 2-3/8-Inch Cutting Depth: Provides 40% deeper single-pass drilling capacity to bore completely through 2x dimensional framing timber without stalling.
  • SnapLock PLUS Mandrel Interface: Patented quick-change mechanism enables tool-free cup size swaps in seconds with universal fitment across 5/8-inch to 6-inch hole saws.
  • Tool-Free Plug Ejection: Aggressive side slot geometry allows operators to clear dense wood cores and composite plugs quickly with a standard screwdriver.
  • Aggressive Tooth Geometry: High-speed rake design shears through heavy timber and exterior building composites with 5X faster boring velocity.
  • Universal Drill Compatibility: Robust 7/16-inch hex shank locks firmly into standard 1/2-inch three-jaw chucks and heavy-duty right-angle rough-in drills.

What's Included

  • (1) 2-1/8" (54 mm) Demo Demon™ Carbide Hole Saw Cup
  • (1) 2-9/16" (65 mm) Demo Demon™ Carbide Hole Saw Cup
  • (1) 3" (76 mm) Demo Demon™ Carbide Hole Saw Cup
  • (1) 3-5/8" (92 mm) Demo Demon™ Carbide Hole Saw Cup
  • (1) 4-5/8" (117 mm) Demo Demon™ Carbide Hole Saw Cup
  • (1) SnapLock™ PLUS 7/16" Hex Mandrel Assembly
  • (2) High-Speed Pilot Drill Bits
  • (1) Carrying Case

Technical Specifications

Manufacturer Freud America Inc. (Diablo Tools)
Sub Brand Line Demo Demon®
Model Number DHS08SCTR
Product Classification 8-Piece Carbide Rough-In Hole Saw Set
Hole Saw Cup Diameters 2-1/8 in, 2-9/16 in, 3 in, 3-5/8 in, 4-5/8 in
Maximum Cutting Depth 2.375 inches (2-3/8 in / 60.33 mm)
Cutting Edge Metallurgy High-Density Micro-Grain Carbide Teeth
Mandrel Quick-Change System SnapLock™ PLUS Tool-Free Interface
Mandrel Shank Size 0.4375 inches (7/16 in Hex Drive)
Mandrel Diameter Range Scope 0.625 in to 6.00 in (5/8" to 6" Hole Saws)
Core Plug Ejection Style Tool-Free Wide Side Ejection Slots
Total Piece Count 8 Pieces (5 Cups, 1 Mandrel, 2 Pilot Bits)
Target Substrates Nail-Embedded Wood, Roof Shingles, Fiber Cement, & Clean Wood
Compatible Tool Platforms 1/2" Handheld Drills & High-Torque Right-Angle Joist Drills

Pro-Tip: When roughing in pipe holes through floor joists embedded with framing nails, maintain a steady drill speed and hold the tool firmly perpendicular to the wood grain; letting the carbide teeth grind through the embedded steel without forcing the cut preserves the tooth braze joints.