What are the specifications of thread steel?
Specification requirements for threaded steel shall be specified in the import and export trade contract.Generally should include the standard grade (type code), the nominal diameter of steel, nominal weight (quality), the length of the specifications and the allowable difference between the above indicators.
Thread steel small specifications of 101214, in the specifications of 1618202225, large specifications of 2832, size, specifications, in general, in accordance with the specifications on the basis of 20-100 yuan, if the larger 364042.It is a smaller disk 6.5810, because too small easy to bend, so the coiled coil shape, called disk.
China's standard recommended nominal diameter of 6, 8, 10, 12, 16, 20, 25, 32, 40, 50mm thread steel series.The supply length is divided into two kinds: foot length and foot length.China's export screw length selection range is 6 ~ 12m,The selection length of Japanese thread steel is 3.5 ~ 10m;Domestic sales of domestic thread steel, if the contract does not specify requirements, usually fixed length of 9m, 12m two length.