 双面凹砂轮 (双面凹砂轮) 代号:9A3(PSA) 结合剂:B.M(S.Q)
| 尺寸(mm) | 金刚石含量(克拉/片) | D | T | H | W | X | 50 | 75 | 100 | 100 | 20 | 20 | 4 | 3 | 15.92 | 23.89 | 31.85 | 125 | 20 | 32 | 4 | 3 | 20.07 | 30.11 | 40.14 | 150 | 20 | 32 | 4 | 3 | 24.22 | 36.33 | 48.44 | 150 | 20 | 32 | 8 | 3 | 47.11 | 70.66 | 94.22 | 150 | 20 | 32 | 10 | 3 | 58.06 | 87.08 | 116.11 | 175 | 20 | 20 | 4 | 3 | 28.36 | 48.54 | 56.72 | 175 | 20 | 20 | 6 | 3 | 42.05 | 63.07 | 84.10 | 200 | 20 | 32 | 6 | 3 | 48.27 | 72.41 | 96.54 | 200 | 20 | 32 | 10 | 3 | 78.79 | 118.19 | 157.58 | 250 | 25 | 75 | 8 | 3 | 80.28 | 120.43 | 160.57 |
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