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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

  • Commercial or home useTraditional
  • Size or dimensions6
  • Main materialPlastic
  • Sold asTraditional, 1
  • Color and finishNo Color
  • Key featuresTraditional
  • 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.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 73% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameMilwaukee
Model name49-56-0043
Part number49-56-0043
Color and finishNo Color
Size & build
Size or dimensions6
Main materialPlastic
In the box
Number of items1, Traditional
More details
Commercial or home useTraditional

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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