plain washer non-standard combined washer material:65Mn spring steel DIN6798A/J NFE27624 inter/outer serrated lock washer DIN6797A/J inter/outer tooth washer DIN7967 PAL NUT DIN137A DIN137B WAVE WASHER DIN6796 Cotter pins bracket angles springs
•Manufacturing World Japan, Feb 26-28, 2020, Chiba, Japan
•WIN EURASIA, Mar 12-15, 2020, Istanbul, Turkey
•wire & Tube Düsseldorf, Mar 30-Apr 3, 2020, Düsseldorf, Germany