Take a look. When the section is low, a hole can be drilled on the broken bolt and a square bar member can be driven, and the bar can be removed by pulling it. Second, welding method. When the section is higher than the surface of the rod, the old nut with larger bolt diameter can be on the broken bolt and the bolt cutter can be withdrawn by using a wrench. Three tapping method. The broken bolt is drilled with a smaller drill bit, and the hole diameter is equivalent to two-thirds of the diameter of the broken bolt. It is worth noting that the center must be accurately located, and then the thread is tapped and reversed, and the screw used for the reverse thread is used. The bolt will be screwed out. Fourth, flush method. When the hollow bolt is broken in the body, the round steel and waste screws can be made into square punches, with a certain degree of taper, into the bolt, and then with a wrench to exit.
These kind of herbs are made from plants` rhizomes. A rhizome is the main stem of the plant. In general, rhizomes have short internodes, send out roots from the bottom of the nodes, and generate new upward-growing shoots from the top of the nodes. Some rhizomes have precious medicinal value, so we process them and apply to herb medicine area. Such as POLYGONUM CUSPIDATUM and POLYGONI MULTIFLORI RADIX.
Chinese Medicinal Herbs Rhizome
Chinese Medicinal Herbs Rhizome,Chinese Medicine Polygonati Rhizoma,Chinese Medicine Dipsaci Radix,Chinese Medicine Rhizoma Imperatae
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