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Home Power Tools and Accessories Power Tool Accessories Power Drilling and Accessories Hole Saws and Accessories 5078 6IN HOLE SAW BI-METAL SHARK TOOTH

5078 6IN HOLE SAW BI-METAL SHARK TOOTH

PART 109137
SUPPLIER CENTURY DRILL & TOOL, LLC
SUPPLIER PART # 5078
RANK A
SHELF PACK 1
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About this item

Century Drill & Tool 5078 – 6" Bi‑Metal Shark Tooth Hole Saw

The Century Drill & Tool 5078 Shark Tooth® 6-inch Bi‑Metal Hole Saw is engineered for professionals and serious DIYers who demand powerful cutting performance, long service life, and reliable precision across a wide range of materials. Built using premium bi‑metal construction with 8% cobalt high‑speed steel teeth, this hole saw is designed to withstand heat, stress, and repeated use in demanding environments. Its rugged alloy body resists shattering and absorbs shock, ensuring stable cutting action even when tackling dense or irregular materials.

Featuring the signature Shark Tooth® variable pitch tooth pattern, this hole saw delivers smoother, faster cuts with reduced vibration. It produces cleaner hole edges with less binding and chatter, making it ideal for both metalworking and woodworking applications. With a 1‑1/2-inch cutting depth, it provides the versatility needed for plumbing, electrical, HVAC, construction, and custom fabrication tasks.

The 5078 model is compatible with standard arbors (sold separately) and works seamlessly with portable electric drills, lathes, and milling machines. Whether you're installing recessed lighting, drilling for conduit, fabricating components, or creating clean openings in tough materials, this 6-inch Shark Tooth® hole saw is built to deliver superior performance and long-lasting value.

Key Features

  • Professional-grade bi‑metal construction with durable cobalt high‑speed steel teeth.
  • Rugged, shock‑absorbing alloy body designed to resist shattering under heavy use.
  • Variable pitch Shark Tooth® tooth pattern for smoother operation and faster cutting.
  • Cuts cleanly through stainless steel, aluminum, brass, pipe steel, nail‑embedded wood, hardwood, plywood, sheet metal, fiberglass, and plastic.
  • Extra‑deep 1‑1/2-inch cutting depth for versatile jobsite applications.
  • Compatible with portable electric drills, milling machines, and lathes.
  • Arbors and pilot drills sold separately.

Specifications

  • Model Number: 5078
  • Diameter: 6 inches
  • Cutting Depth: 1‑1/2 inches
  • Tooth Material: 8% cobalt high‑speed steel (bi‑metal)
  • Body Construction: Shock‑absorbing, shatter‑resistant alloy
  • Tooth Pattern: Variable pitch
  • Arbor Hole: Standard B‑style arbor
  • Recommended Speeds:
    • Standard RPM recommendations for mild steel
    • Reduce RPM by 30% for cast iron
    • Increase RPM by 30% for brass and aluminum
  • Pilot Drill: Not included (sold separately)

Applications

Metals

  • Stainless steel
  • Pipe steel
  • Mild steel
  • Brass
  • Aluminum
  • Cast iron (with adjusted speeds)

Wood & Composite Materials

  • Nail‑embedded lumber
  • Hardwood
  • Plywood
  • Particle board

Construction & Fabrication Materials

  • Sheet metal
  • Fiberglass
  • Plastic

Ideal Use Cases

  • Installing recessed lighting
  • HVAC openings and ducting
  • Electrical and plumbing pass‑through holes
  • Automotive and metal fabrication projects
  • Cabinetry and carpentry cutouts
  • Industrial maintenance and repair

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Brand Century Drill & Tool
Diameter 6 Inch
Model 5078
Diameter 6 Inches
Cutting Depth 1-1/2 Inches
Body Construction Shock-absorbing, shatter resistant alloy
Tooth Pattern Variable Pitch
Arbor Hole Standard B-sytle arbor
UPC Code 081838050788
Shelf Pack 1
Minimum Order Qty 1