JK Pulley Co., Inc.

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JK Pulley Co., Inc. designs and produces custom pulleys, sheaves, gears, and a range of machined parts. The company’s quality system is ISO 9001:2008 certified, ensuring consistent manufacturing standards. Materials offered include cast iron, ductile iron, aluminum, carbon steel, alloy steel, stainless steel, bronze, brass, titanium, magnesium and various plastics. Pulley designs accommodate a wide selection of belt‑groove profiles such as A, B, C, D, E, 3V, 5V, 8V, J, K, L and M, and are also supplied with rope and cable groove configurations. Diameter options span from 1 in. up to 35 in. Machining capabilities feature CNC milling and turning, gear hobbing, coordinate‑measuring‑machine inspection, robotic machining, as well as MIG and TIG welding. In addition, JK Pulley Co., Inc. provides reverse‑engineering and prototyping services to support product development and customization.

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