BK30氣扳機，BK30氣動扳手，BK30風動扳手
型號   工作壓力MPa  額定扭矩N • m  空轉轉速r/min  空轉\耗氣量m3/min  噪音dB（A） 邊心距mm  方頭尺寸mm  氣管內徑 mm  機重kg 
BK20   0.4-0.63          ≥490                   ≥6000            ≤1.2           ≤118        37         19×19           16       4.2
BK30   0.4-0.63          ≥882                   ≥5500            ≤2.4           ≤118        42         19×19           16       5.8
BK42   0.4-0.63          2000                   ≥5000            ≤2.5           ≤118        55         25.4×25.4        16        9.5