Seco Tools India [P] Ltd. Is the manufacturer of Tool Holders for Milling, Drilling, Tapping, Reaming and Boring. Seco Tools India [P] Ltd is an ISO 9001 and ISO 14001 certified company. The Tool Holders for Milling, Drilling, Tapping, Reaming and Boring of variable lengths and diameters can rapidly be built together, when they are needed.