V-Belt Pulley, Variable Pitch Fixed Bore, Bore Dia. 1/2 In., Outside Dia. 3.25 In., 1 Groove, 4L, A, or AX Belt Pitch Dia. 2.1 to 3.1 In., 5L, B, or BX Belt Pitch Dia. 2.4 to 3.2 In., No Keyway, Die Cast (Zamak #3) Material, For Use With 4L, 5L, A, or B Type V-Belts
Variable Pitch Adjustable Die-Cast Sheaves
- Precision-machined threaded mating sections provide as much as 30% downward adjustment in pitch dia. for setting precise speed. Furnished with socket head set screws.
- Zamak/zinc alloy Solid construction