Walter Tools India Pvt. Ltd. Offers Ni27 Thread Milling Cutter. Walter Tools India Pvt. Ltd. Is an ISO 9001, 14001 and OHSAS 18001 certified. The Ni27 Thread Milling Cutter is for small threads from M1, 6 to M8. This is a solid carbide thread milling cutter with rounded profile, which is particularly suitable for producing threads in high-quality and expensive nickel components with extremely high process reliability.