Accessories for air-conditioning two-unit production equipment - expansion heads for tube expanders. This product is precision ground from high-quality tungsten carbide and has a long service life.

Material: high quality tungsten carbide

Hardness: 89-92.5 degrees

Accuracy: within 0.005

Specifications: There are ф4.65, ф6.65, ф8.03, etc. Other specifications can be customized.