Product Description
Milwaukee 1-3/8 in. Carbide Grit Hole Saw with Carbide Pilot Bit
Model Number: 49-56-0426
The Milwaukee 49-56-0426 is a 1-3/8 in. Carbide Grit Hole Saw with an included Carbide Pilot Bit — a mid-diameter abrasive grit hole saw for cutting clean, accurate holes through ceramic tile, porcelain tile, natural stone, and fiberglass where toothed hole saws dull immediately. The electrodeposited tungsten carbide grit rim grinds through hard, brittle tile and stone materials by abrasive action rather than the tooth-shearing of conventional hole saws — preventing the chipping, cracking, and perimeter fracture that toothed hole saws cause in brittle glazed ceramic and porcelain tile. The 1-3/8 in. diameter serves standard plumbing faucet supply line holes in tiled sink backsplashes and bathroom walls, specific conduit penetrations through tile, and other fixture holes where this bore is specified for the fitting hardware being installed through a tiled surface.
The included carbide pilot bit provides the centering function that keeps the hole saw accurately positioned at the marked hole center during initial cutting engagement on smooth, hard tile surfaces — without the pilot bit, the abrasive rim has no centering mechanism and would wander before establishing the circular cutting path. Wet cutting with water or drill cooling spray is strongly recommended throughout carbide grit tile hole sawing — water cooling extends the carbide grit's service life, reduces thermal cracking risk in heat-sensitive glazed tile, and suppresses respirable silica dust. Slow, steady feed pressure without forcing the saw prevents the brittle tile face from spalling at the cut perimeter during drilling.
See Milwaukee's complete carbide grit hole saw lineup for all available diameters for tile and hard material hole sawing applications.
Features
- Carbide grit rim for ceramic, porcelain, stone, and fiberglass without chipping
- 1-3/8 in. for faucet supply holes and specific fixture penetrations through tile
- Carbide pilot bit included for accurate hole centering on smooth tile surfaces
- Wet cutting recommended for grit life, thermal crack prevention, and silica dust control
- Abrasive grinding avoids fracture that toothed hole saws cause in brittle tile
Specifications
- Diameter: 1-3/8 in.
- Cutting Edge: Carbide Grit
- Application: Ceramic Tile, Porcelain, Natural Stone, Fiberglass
Includes
- (1) Milwaukee 1-3/8 in. Carbide Grit Hole Saw
- (1) Carbide Pilot Bit
