防爆工具的材質(zhì)是銅合金,由于銅的良好導(dǎo)熱性能及幾乎不含碳的特質(zhì),使工具和物體摩擦或撞擊時,短時間內(nèi)產(chǎn)生的熱量被吸收及傳導(dǎo),另一原因由于銅本身相對較軟,摩擦和撞擊時有很好的退讓性,不易產(chǎn)生微小金屬顆粒,于是我們幾乎看不到火花,因此防爆工具又稱為無火花工具。
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 |