DIN440R Rounds washers for wood constructions木螺钉专用垫圈 For nom.size M5 M6 M8 M10 M12 M14 M16 M20 M22 M24 M27 M30 d1 5.5 6.6 9 11 13.5 15.5 17.5 22 24 26 30 33 d2 18 22 28 34 44 50 56 72 80 85 98 105 s 2 2 3 3 4 4 5 6 6 6 6 6
