... Advantage:senior workers of 15 year Features: Hard steel washers 50% savings 1.StandardDIN137, DIN 6797. DIN6798, ANSI B 18.21 ... requirement 12. Detail dimensions25kgs/ carton, 36 cartons/ pallet. carton dimesion: 40cm*20cm*17cm, pallet dimension: 102cm*80cm*14cm. Why us is ... exploitation, design, sales and service into one. Hard steel washers 50% savings