

Professional-grade HSS (M2/W6Mo5Cr4V2) metric round dies from 177Tools, designed for cutting clean, accurate external threads on steel, aluminum, brass, and plastic. Available in both coarse and fine thread pitches from M3 to M30, suitable for machine and manual threading applications.
Each die is precision-ground with sharp cutting edges and proper relief angles to ensure smooth chip evacuation and long tool life. The HSS material provides a good balance of hardness and toughness, making these dies a cost-effective choice for general-purpose threading in job shops and maintenance departments.
Available individually or in custom sets. We also offer OEM packaging under your brand with your logo on the die body. Standard MOQ: 100 pcs per size. Contact Luke at 177Tools for pricing and lead time — we ship globally from our ISO 9001 factory in Hangzhou, China.