nuts 1)Size:M6-M27 2)Standard:DIN,BS,ASTM,JIS. 3)Material:carbon steel 4)G.r:4.6,4.8,6.8 ... ,8.8 nuts1)Size:M6-M272)Standard:DIN,BS,ASTM,JIS3)Material:carbon steel4)G.r:4.6 ... ,4.8,6.8,8.85)Surface:plain,black,zinc plated,hot ... .Tel:+86-15132040901, +86-310-6889158Tel: +86-310-6888669 DIN934 nuts