Bi Metal Hole Saw 6-1/4 Inch With Cobalt M42 High Speed Steel Edge For Metal Wood Plastic, 159mm Cut, 1.5 Inch Deep, 5/8-18 Thread, Beefy Bimetal Build For Heavy Duty Cutting

Heavy-Duty Cobalt Bi-Metal Hole Saw, 6-1/4 Dia
✔️ 159 mm dia (6.25"), 38.1 mm depth, 5/8-18 UNF arbor

This heavy-duty cobalt bi-metal hole saw is designed to cut large openings quickly in metal, wood, plastic, and composites. It’s a go-to choice for contractors and DIYers tackling HVAC, electrical, plumbing, and general construction tasks that demand clean, accurate holes.

✅ Diameter: 159 mm (6-1/4"), depth: 38.1 mm (1.5"), thread: 5/8-18 UNF (15.9 mm x 18 tpi)
✅ M42 8% cobalt edge welded to alloy body for heat resistance
✅ 4/6 varied tooth pattern for fast, clean cuts
✅ Vacuum furnace hardened teeth for long life
✅ Knock-out slots and reinforced back prevent binding
✅ Pack: single hole saw in color box

💡 What is a hole saw used for in DIY and professional work?

It’s a handy cutting tool that creates large, clean holes in metal, wood, plastic, and composites. This style is a solid choice when you need dependable, accurate cutouts for boxes, ductwork, or pass-throughs.

- Ideal for HVAC cutouts, electrical boxes, and plumbing openings - Works with standard arbors on most drills and saw systems - The cobalt edge resists heat and dulling for longer life