A modular range of counterbores and countersinks with cutting or non-cutting pilots. Available in small, medium and large ranges the system comprises a holder, countersink or counterbore and cutting or non-cutting pilot. The counterbores are available in HSS with 2 or 4 flutes and in Carbide with 3 flutes. Specials are available to order. The MODA range covers up to 24.00mm diameter.