2025-06-24
Tungsten Carbide double helical hole round bars refer to round bars with two helical holes, and the helical angles are generally 15°, 40°, 45° and 60°. Hard alloy double helical hole round bar is a kind of alloy material with high hardness and strength, which is mainly made of tungsten carbide (WC), and other precious metals or binders are added and sintered by powder metallurgy method.