Openex produce high quality turnbuckle by hot forging and treated by hot dip galvanizing for outdoor application TURNBUCKLE1.Standards: Federal spec., US type, DIN type, European type and JIS type2.Material: Carbon steel ,stainless steel1. Standards: Federal spec., US type, DIN type, European type and JIS type2. Materials: alloy steel ,carbon steel and stainless steel(AISI)304/3163. Surface: hot ...