Is é an t -onnmhaireoir is mó de shnáithe isteach ná déantúsóir na Síne ó shin 2004
Cuir isteach snáithe sreang ,also known as Heli-Coil inserts ,are wire coils with internal threads,they are available in Free Running and Screwlock versions in Metric, UNF, UNC.
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