Dyllu 9 Pieces Plumber's Bi-Metal Hole Saw Set - DTKJ3491

Equip your toolbox with the Dyllu 9‑Piece Plumber’s Bi‑Metal Hole Saw Set (DTKJ3491) — a precision drill bit kit engineered for plumbing, HVAC, and general trade work. Whether you're fitting pipework, installing fixtures, or making clean penetrations in sheet metal, this set gives you the right sizes at hand for the most common plumbing hole diameters.

Built with HSS (High-Speed Steel) bi-metal construction, each hole saw in this set offers the perfect blend of strength and flexibility — making them durable enough for tough cuts, yet refined enough to deliver smooth, clean holes in metal, PVC, wood, and more. The cup saws have variable-pitch teeth to reduce vibration, improve chip removal, and extend tool life.

Key Features:

• Set Composition: 9‑piece hole saw kit — covers a wide range of plumbing-related diameters
• Hole Diameters Included: 19 mm, 22 mm, 29 mm, 38 mm, 44 mm, 57 mm
• Material: Bi‑metal saw cups with HSS “strip‑teeth” design for durability and efficient cutting
• Cutting Capability: Suitable for metal (sheet steel, stainless), PVC, wood, drywall, and other common plumbing materials
• Tooth Design: Variable-pitch teeth reduce vibration and provide smoother cuts + improved chip clearance
• Arbors / Adapters: Includes 3/8″ and 7/16″ hex-shank arbors for different saw sizes (small and larger cups)
• Pilot Drill Bit: Comes with a centering pilot drill to ensure precise starts and reduce walking
• Ejection Slot: Knock-out slot in the cup design makes plug removal easy when the cut is complete
• Depth of Cut: Standard cutting depth (~38 mm) for common plumbing and HVAC penetrations
• Storage Case: Durable plastic carry case keeps all saws, arbors, and bits neatly organized and boxed
• Wide Application: Ideal for professional plumbers, HVAC technicians, and maintenance professionals; also great for demanding DIY projects
  

Technical Specifications:

• 9 Pcs Bi-metal hole saw set
  
• Size:19mm(3/4")/22mm(7/8")29mm(1-
  1/8")/38mm(1-1/2")/44mm(1-3/4")/57mm(2-
  1/4")
  
• 1 pcs arbor:3/8" Hex Shank,Fit Size:9/16"~1-
  3/16"
  
• 1 pcs arbor:7/16" Hex Shank,Fit Size:1-1/4"~8-
  17/64"
  
• 1 pcs adapter arbors with 1/2-20 threads to
  fit hole saws 5/8-18 threads
  
• Packed by plastic case

All nine pieces come neatly organized in a robust, compact carrying case — making it easy to transport between jobs and keep your bits safe and accessible. This set is ideal for professionals and serious DIYers alike, offering great versatility and reliable performance whenever you need to cut circular holes for conduits, fixtures, or pipework.