Choosing the Best Custom Collet Manufacturer in India. As a premier Collet Manufacturer, PG Collets has entirely specialized in manufacturing & exporting high-quality collets for industrial applications. Our Products are 5C Emergency Collets, 16C Emergency Collets R8 Collets, Custom collets and etc. We are an ISO 9001: 2015 certified company: Collets, Mandrels, and Fixture parts manufacturing company serving the industry since 1972. Over the years we have established our brand as "PG collets" as a quality product reputed in India and in the global market.