4-1/8" (105MM) HOLESAW

What it is

• Brand: Diablo (Freud Tools)
• Type: Carbide-tipped hole saw
• Model: DHS4125CT
• Function:
  • cuts large 4-1/8" holes in multiple materials
  • used for HVAC, plumbing, and electrical rough-ins
  • designed for long-life cutting in wood + metal applications

Key specs

• Diameter: 4-1/8 inch
• Cutting depth: 2-3/8 inch (65 mm)
• Cutting edge: Carbide-tipped
• Mount system: Snap-Lock Plus™ mandrel compatible
• Materials:
  • wood (including nail-embedded)
  • plastic
  • aluminum
  • cast iron
  • stainless steel
  • steel

Key features

• Carbide teeth for up to 50× longer life vs bi-metal
• Deep-cut design for single-pass holes
• Tool-free plug ejection system
• Compatible with DHSAR mandrel system (quick-change setup)

Verified identifiers (confirmed)

• MPN: DHS4125CT
• UPC: 008925142539

Bottom line

• ✔ Fully standardized Diablo OEM hole saw
• ✔ Fixed UPC confirmed across multiple distributors
• ✔ Not a drill bit (DSPD/DSF/DSD families) — this is hole saw system (DHS series)
• ✔ Common professional use for framing penetrations and trade rough-ins