Description: 20pcs 4.5mm Sand Blasting Ceramic Nozzle Replacement Nozzles For Sand Blast Gun   Is mainly used in machinery、 industrial machinery parts、 such as metallurgical casting、 casting surface deoxidization. But instead of cast iron、 alloy steel blast nozzle. Using the performance is good、 strong wear resistance、 long life、 high efficiency、 saving steel、 reduce the cost.   Specification: Material: Ceramic Bore diameter:4.5mm Outside diameter:15mm Length:35mm Quantity: 20pcs    Features: 1. scouring abrasion resistance and durability 2. high temperature 1600 \u2103 3. bibulous rate is !#!amp!*!lt; 0.2% 4. 3.6 to 3.8 g\/cm3、 quality of a material is solid   Package Included: 20X Ceramic Nozzle   More Details: