The reamer is a tool for expanding the aperture on the basis of the original hole to achieve higher precision and lower surface roughness value, and is shown as a lower chip reamer. When the hole is reamed, the chips are discharged from the original hole below, preventing the chip and the wall from being worn and scratched, further improving the hole expansion accuracy and reducing the surface roughness value of the hole wall. The lower chip carbide reamer is welded with carbide inserts at the head guiding and cutting points to improve tool durability and extend tool life. Therefore, the lower chip hard alloy reaming drill is an ideal tool with high processing precision and long service life, and is most suitable for the forming process of the boiler cover plate and the tube plate hole.
Fluorine Lined Wafer Butterfly Valve
Fluorine Lined Wafer Butterfly Valve,Clamp Butterfly Valve,Tetrafluoride Lined Butterfly Valve,Sanitary Stainless Steel Butterfly Valve
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