美标（国标）规格：6x1 8x1 8x1.5 10x1 10x1.5 10x2 12x1
12x1.5 12x2 14x1 14x2 14x3 16x1 16x2 16x3 18x2 18x3
20x2 20x2.5 20x3 21x2 21x3 22x2 22x2.5 22x3 25x2 25x2.5
25x3 25x4 27x2 27x2.5 27x3 27x4 32x2 32x2.5 32x3 32x4
34x2 34x3 38x2 38x3 38x4 42x2 42x3 42x4 45x2 45x3 45x4
48x2 48x3 48x4 51x2 51x3 51x4 57x2 57x3 57x3.5 57x4
60x2 60x3 60x3.5 60x4 76x2 76x3 76x3.5 76x4 89x3 89x3.5
89x4 89x4.5 89x5 89x8 89x10 102x3 102x4 108x3 108x4
114x3 114x4 114x5 127x4 127x5 133x3 133x4 133x5 159x3
159x4 159x4.5 159x5 159x6 159x10 159x12 168x4 168x5
168x6 219x4 219x5 219x6 219x8 219x14 273x6 273x8 325x6
325x8，厚度：：（足厚：0.28 0.31 0.37 0.45 0.55 0.65
0.75 0.95 1.0 1.2 1.5 1.7 2.0 2.5 2.7 3.0 4.0 3.6 4.5
5.0 5.4等） |
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