Hole Saw 4-1/8" (102 mm) Bi-Metal - Malco Cutting Edge: Electron beam-welded to

Cutting Edge: Electron beam-welded to a tough alloy back

Can be used in computer rooms

Head Finish: Polished faces resist rust and corrosion

Brass body solenoid valve with two-way function and single-flow direction

Hole Saw 4-1/8" (102 mm) Bi-Metal - Malco Cutting Edge: Electron beam-welded toHSB4125 Malco 4 1 8" (102 mm) Bi Metal Hole Saw The Malco HSB4125 4 1 8" (102 mm) Bi Metal Hole Saw is engineered for clean, controlled cutting in larger diameter applications. Designed for HVAC, electrical, plumbing, and general construction professionals, it delivers smooth, accurate holes for duct penetrations, equipment clearances, and heavy duty rough ins. A high speed steel cutting edge paired with a variable tooth pitch allows the HSB4125 to