品牌
生产厂家厂商性质
所在地
美式敲击梅花扳手材质以铍青铜和铝青铜为原料，铍青铜合金，铝青铜合金在撞击或磨擦时不发生火花，十分适合用来制造在易爆，易燃，强磁及腐蚀性场合下使用的 工具。 BeA-20C合金在含30%的氧或6。5-10%甲烷空氧中承受561IJ的冲击能，冲击20次，都未发生火花和燃烧。
| No. | mm | AF |
| 01 | 17 | 5/8 |
| 02 | 19 | 11/16 |
| 03 | 22 | 3/4 |
| 04 | 24 | 13/16 |
| 05 | 27 | 7/8 |
| 06 | 30 | 15/16 |
| 07 | 32 | 1 |
| 08 | 34 | 1-1/16 |
| 09 | 36 | 1-1/8 |
| 10 | 41 | 1-3/16 |
| 11 | 46 | 1-1/4 |
| 12 | 50 | 1-5/16 |
| 13 | 55 | 1-3/8 |
| 14 | 60 | 1-7/16 |
| 15 | 65 | 1-1/2 |
| 16 | 70 | 1-5/8 |
| 17 | 75 | 1-11/16 |
| 18 | 80 | 1-3/4 |
| 19 | 85 | 1-13/16 |
| 20 | 90 | 1-7/8 |
| 21 | 95 | 2 |
| 22 | 100 | 2-1/16 |
| 23 | 105 | 2-1/8 |
| 24 | 110 | 2-3/16 |
| 25 | 115 | 2-1/4 |
| 26 | 120 | 2-3/8 |
| 27 | 125 | 2-7/16 |
| 28 | 130 | 2-9/16 |
| 29 | 135 | 2-5/8 |
| 30 | 140 | 2-3/4 |
| 31 | 145 | 3 |
| 32 | 150 | 3-1/8 |
| 33 | 155 | 3-3/8 |
| 34 | 160 | 3-1/2 |
| 35 | 165 | 3-3/4 |
| 36 | 170 | 3-7/8 |
| 37 | 175 | 4 |
| 38 | 180 | 4-1/8 |
| 39 | 185 | 4-1/2 |
