可靠性高
290 系列坚固耐用，每次使用时都与新机器无异。
动力重量比极佳
290 系列扳手采用大型锤冲击机构，使用时得心应手，毫不费力。
增强控制能力
这款工具动力重量比高、带有功率调节器，操控性好，使用轻松。
多种固定方式
290 系列具有多种传动轴组合，能够进入难以够及的空间，与套筒连接更坚固，扭矩损失更小。
Model | Configuration | Actuation | Drive Size | Drive Type | Forward Torque (ft-lbs) | Forward Torque (Nm) | Max Reverse Torque (ft-lbs) | Max Reverse Torque (Nm) | Blows per minute | Free Speed (RPM) | Impacting Sound Level dB(A) -- ISO15744 (pressure/power) | Free Speed Sound Level dB(A) -- CAGI/ANSI S12.41 (pressure/power) | Vibration Level m/s2 (K) | Weight (lbs) | Weight (kg) | Length (in) | Length (mm) | Air Inlet | Min Hose Size (in) | Min Hose Size (mm) | Air Consumption @ Load (cfm) | Air Consumption @ Load (L/min) | Average Air Consumption (cfm) | Average Air Consumption (L/min) | PSI | Bar |
290 | Pistol | Trigger | 1 in. | Square, Thru-Hole | N/A | N/A | 1600 | 2169 | 800 | 6000 | N/A | 101.6 / 112.6 | 22.7 (2.6) | 21.9 | 9.93 | 9.75 | 248 | 1/2 in. | 1/2 | 13 | 55 | 1557 | 10 | 283 | 90 | 6.2 |
290-S | Pistol | Trigger | No. 5 | Spline, Ball Locking Mechanism | N/A | N/A | 1600 | 2169 | 800 | 6000 | N/A | 101.6 / 112.6 | 22.7 (2.6) | 21.9 | 9.93 | 10 | 254 | 1/2 in. | 1/2 | 13 | 60 | 1699 | 10 | 283 | 90 | 6.2 |
