Flat Square Hole Type Boron Carbide Sand Blasting Nozzle Hole Diameter 4mm Length 60X20mm

Low density, high hardness and strength corrosion.Low thermal conductivity. Super duarable.Density: greater or equal to 2.48\/cm3Microhardness: greater or equal to 3500kgf\/mm2Flexural strength: greater or equal to 400MPaMelting point: 2450 CelsiusLife for each material: Steel Shot: 2000-2500h, Quartz sand: 1000-1500h, Corundum: 500-1000hColour: blackMaterial: Boron carbideSize: 60X20X4mmPackage Contents:1 * Boron carbide nozzleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.