Hole Saw 4-1/8" (102 mm) Bi-Metal - Malco The box‑end design provides full‑contact

The box‑end design provides full‑contact engagement around the fastener head

5/16" (8 mm) fiber cement siding

Brush Diameter: 5 inches

Rated pressure: 300 PSI

05% — wirelessly integrates with the REFMATE manifold and REFMESH app so you can monitor charge weight and system pressures simultaneously on one screen

Hole Saw 4-1/8" (102 mm) Bi-Metal - Malco The box‑end design provides full‑contactHSB4125 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