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Cylindrical bi-metal hole saw, silver teeth, black body

Milwaukee 49-56-0043 Ice Hardened Hole Saw 1 in

SKU CH-GJ82-91EXE

Cryogenically hardened bi-metal hole saw cuts 1-inch holes with Matrix II teeth, positive rake angle and radiused tooth backs for fast cutting and plug removal

  • Size/Dimensions6
  • MaterialPlastic
  • Selling UnitTraditional, 1
  • Color/FinishNo Color
  • FeaturesTraditional
  • Item Count1, Traditional
  • Cryogenic hardening extends blade life up to 50%
  • Matrix II bi-metal teeth increase cutting durability
  • Positive rake angle enables faster cutting speed
  • Radiused tooth back reduces stress during operation
  • Deeper gullets and slot geometry allow quick plug removal

Product identity

The Milwaukee 49-56-0043 is a 1 inch ice hardened bi-metal hole saw designed for electricians, plumbers and metalworkers who need clean holes in steel, stainless steel or wood. It comes as a single unit with an arbor included, ready for professional or serious DIY use.

Deciding specification

The cryogenic ice hardening process delivers up to 50% longer life than standard heat-treated saws, while Matrix II bi-metal teeth and a positive rake angle keep cutting speed high. Radiused tooth backs reduce stress and deeper gullets clear chips quickly, so the saw stays sharp through repeated cuts.

Installation and common issues

The 1 inch arbor hole fits common quick-change arbors and the functional slot geometry makes plug removal straightforward. Users sometimes find the 1.3 inch width and 2.6 inch length too large for tight cavities, and the plastic packaging can crack if dropped during transport.

Highlights

  • Cryogenic hardening extends blade life up to 50%
  • Matrix II bi-metal teeth increase cutting durability
  • Positive rake angle enables faster cutting speed
  • Radiused tooth back reduces stress during operation
  • Deeper gullets and slot geometry allow quick plug removal

Specifications

BrandMilwaukee
Model49-56-0043
Size/Dimensions6
MaterialPlastic
Selling UnitTraditional, 1
Color/FinishNo Color
FeaturesTraditional
Item Count1, Traditional
Commercial/ResidentialTraditional
Part Number49-56-0043

Questions about this item

How long will the 1‑inch Ice Hardened hole saw last in real use?

The cryogenic hardening process gives up to 50 % longer life than competing bi‑metal saws, so you get more holes per blade before replacement.

What arbor standard does the 1‑inch hole saw use and what size does it accept?

It fits a 1‑inch arbor hole, matching standard quick‑change arbors used on most portable drills and drill presses.

What are the physical dimensions I need to clear for the 1‑inch saw and its arbor?

The saw body measures 1.3 inches wide by 2.6 inches long, and the included arbor adds minimal extra length for chuck clearance.

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