安全性高
由于采用独特的弹簧作用闩销，每次松开锁定杆时都会复位，因此，您绝不用担心使用这款砂磨机工作期间的安全。
耐用性好
采用双排球轴承、坚固的钢质马达和芯轴外壳，这款工具非常耐用。
可达性好
由于采用人机工程学设计，因此，该 Pro 系列 77A 延长弯角砂磨机能够进入难以够及的狭小空间。
<table>
<thead>
<tr>
<th>Model</th>
<th>Rated Power (hp)</th>
<th>Rated Power hp (kW)</th>
<th>Max Free Speed (rpm)</th>
<th>Exhaust</th>
<th>Output Thread</th>
<th>Wheel Size (in)</th>
<th>Wheel Size (mm)</th>
<th>Weight (lbs)</th>
<th>Weight (kg)</th>
<th>Length (in)</th>
<th>Length (mm)</th>
<th>Vibration m/s2 (uncertainty K)</th>
<th>Sound Pressure/ Power dBA</th>
<th>Min Hose Size (in)</th>
<th>Min Hose Size (mm)</th>
<th>Air Inlet (in)</th>
<th>Air Consumption @ Load (cfm)</th>
<th>Air Consumption @ Load (L/min)</th>
</tr>
</thead>
<tbody>
<tr>
<td>77A25F107</td>
<td>1.5</td>
<td>1.12</td>
<td>2500</td>
<td>Side</td>
<td>5/8 in.- 11 Thread</td>
<td>7 in. Polishing Bonnet</td>
<td>7</td>
<td>180</td>
<td>8.38</td>
<td>3.7</td>
<td>17.56</td>
<td>446</td>
<td>&lt; 2.5</td>
<td>92.2 / 105.2</td>
<td>1/2</td>
<td>13</td>
<td>3/8 NPT</td>
<td>19.8</td>
</tr>
<tr>
<td>77A45W109</td>
<td>1.5</td>
<td>1.12</td>
<td>4500</td>
<td>Side</td>
<td>5/8 in.- 11 Thread</td>
<td>9 in. Back-up Pad</td>
<td>9</td>
<td>230</td>
<td>7.81</td>
<td>3.5</td>
<td>17.56</td>
<td>446</td>
<td>&lt; 2.5</td>
<td>83.3</td>
<td>1/2</td>
<td>13</td>
<td>3/8 NPT</td>
<td>12</td>
</tr>
<tr>
<td>77A60W107</td>
<td>1.5</td>
<td>1.12</td>
<td>6000</td>
<td>Side</td>
<td>5/8 in.- 11 Thread</td>
<td>7 in. Back-Up Pad</td>
<td>7</td>
<td>180</td>
<td>7.81</td>
<td>3.5</td>
<td>17.56</td>
<td>446</td>
<td>1.9 (uncertainty: 0.4)</td>
<td>85.9 / 98.9</td>
<td>1/2</td>
<td>13</td>
<td>3/8 NPT</td>
<td>29</td>
</tr>
</tbody>
</table>
