This is from Dennis McGuire, Jr. Dennis McGuire, Jr. photo Dennis McGuire, Jr. photo Dennis McGuire, Jr. photo Dennis McGuire, Jr. photo Dennis McGuire, Jr. photo Dennis McGuire, Jr. photo Dennis McGuire, Jr. photo Dennis McGuire, Jr. photo Bimetallic Parallel Screw and Barrel
The outer surface of the screw is cut into a cylinder with a spiral groove or a cone with a tapered spiral groove. The screw has a different head, the head is called an external hexagonal screw. There are others, such as large flat screws, hexagon socket screws and so on.
Commonly used screw materials in China are No. 45 steel, 40Cr, ammoniated steel, 38CrMOAl, high-temperature alloys and so on. Bimetallic Parallel Screw And Barrel,Barrel Screw For Extruder,Screw And Barrel Set,Barrel Screw ZHOUSHAN JINTANG OULIN MACHINERY CO., LTD. , https://www.oulinscrewbarrel.com
I captured these images before the fire engine arrived. Not much to add—just a car accident that caused the vehicle to catch fire. Engine 4 responded and managed to put the flames out. These photos give a quick glimpse of the situation as it unfolded.