... Putzmeister DN125 screw clamp set TypeSnap clamp, bolt clamp, screw clamp, wedge clampSurfacePainting or GalvanizingTechnicalForging, high-temperature 1200 forging and ... the national high quality 20# steel ((40cr)).After high-temperature 1200 forging, ,it’s shaped. 2.Used in engineering ... mechanical pipe, it reduces arms weight. 3.High temperature forging,service life is 2-3 times. 4.Good, ...