准确
闭环转换控制提供优异的精确度和可追溯性，实现高级扭矩控制策略。
多功能
该系列让您能够修改工具以符合您的准确规格，可以改变扭矩输出、拧紧轴类型、机身风格和动作。
用户体验好
具有 TactAlert、LED 前灯、按钮反转和指示灯选项以及多色灯环，QE4 直式系列的设计以用户为中心。通过这些特殊功能，您将能够在工作时最大限度减少分心。
可靠性高
非接触式开关、重型齿轮传动机构和无刷直流电机可提高可靠性，而预防性维护提醒和高温电机保护功能可确保您始终知道何时需要维护您的工具。
安全性好
符合 ESD-Safe 和 RoHS
<table>
<thead>
<tr>
<th>Model</th>
<th>Torque Range (Nm)</th>
<th>Torque Range (in-lbs)</th>
<th>Torque Range (ft-lbs)</th>
<th>Max Torque (Nm)</th>
<th>Actuation</th>
<th>Configuration</th>
<th>Free Speed (rpm)</th>
<th>Spindle Length (mm)</th>
<th>Float (mm)</th>
<th>Overall Length (mm)</th>
<th>Length (in)</th>
<th>Weight (kg)</th>
<th>Weight (lbs)</th>
<th>Drive (size/style)</th>
</tr>
</thead>
<tbody>
<tr>
<td>QE4ST010R20Q04</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>80.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST010R20S04</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>63.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST010R20S06</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>60.3</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST010R21Q04</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>80.5</td>
<td>10</td>
<td>406</td>
<td>15.984251968503937</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST010R21S04</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>63.5</td>
<td>10</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST010R21S06</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>63.5</td>
<td>10</td>
<td>385</td>
<td>15.157480314960631</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST010R21S08</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>55</td>
<td>10</td>
<td>381</td>
<td>15</td>
<td>1.2</td>
<td>2.65</td>
<td>1/2 in. Square</td>
</tr>
<tr>
<td>QE4ST010R41Q04</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>131</td>
<td>23</td>
<td>457</td>
<td>17.99212598425197</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST010R41S04</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>114</td>
<td>23</td>
<td>440</td>
<td>17.322834645669293</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST010R41S08</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>106</td>
<td>23</td>
<td>432</td>
<td>17.007874015748033</td>
<td>1.3</td>
<td>2.87</td>
<td>1/2 in. Square</td>
</tr>
<tr>
<td>QE4ST010R41S06</td>
<td>2.0 - 8.0</td>
<td>17.7 - 70.8</td>
<td>1.5-5.9</td>
<td>10</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1820</td>
<td>111</td>
<td>23</td>
<td>437</td>
<td>17.20472440944882</td>
<td>1.3</td>
<td>2.87</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST015R20Q04</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>80.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST015R20S04</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>63.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST015R20S06</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>60.3</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST015R21Q04</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>80.5</td>
<td>10</td>
<td>406</td>
<td>15.984251968503937</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST015R21S04</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>63.5</td>
<td>10</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST015R21S06</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>63.5</td>
<td>10</td>
<td>385</td>
<td>15.157480314960631</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST015R21S08</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>55</td>
<td>10</td>
<td>381</td>
<td>15</td>
<td>1.2</td>
<td>2.65</td>
<td>1/2 in. Square</td>
</tr>
<tr>
<td>QE4ST015R41Q04</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>131</td>
<td>23</td>
<td>457</td>
<td>17.99212598425197</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST015R41S04</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>114</td>
<td>23</td>
<td>440</td>
<td>17.322834645669293</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST015R41S06</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>111</td>
<td>23</td>
<td>437</td>
<td>17.20472440944882</td>
<td>1.3</td>
<td>2.87</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST015R41S08</td>
<td>3.0 - 12.0</td>
<td>26.6 - 106.2</td>
<td>2.2-8.9</td>
<td>15</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>1220</td>
<td>106</td>
<td>23</td>
<td>432</td>
<td>17.007874015748033</td>
<td>1.3</td>
<td>2.87</td>
<td>1/2 in. Square</td>
</tr>
<tr>
<td>QE4ST020R20Q04</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>80.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST020R20S04</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>63.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST020R20S06</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>60.3</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST020R21Q04</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>80.5</td>
<td>10</td>
<td>406</td>
<td>15.984251968503937</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST020R21S04</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>63.5</td>
<td>10</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST020R21S06</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>63.5</td>
<td>10</td>
<td>385</td>
<td>15.157480314960631</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST020R21S08</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>55</td>
<td>10</td>
<td>381</td>
<td>15</td>
<td>1.2</td>
<td>2.65</td>
<td>1/2 in. Square</td>
</tr>
<tr>
<td>QE4ST020R41Q04</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>131</td>
<td>23</td>
<td>457</td>
<td>17.99212598425197</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST020R41S04</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>114</td>
<td>23</td>
<td>440</td>
<td>17.322834645669293</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST020R41S06</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>111</td>
<td>23</td>
<td>437</td>
<td>17.20472440944882</td>
<td>1.3</td>
<td>2.87</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST020R41S08</td>
<td>4.0 - 16.0</td>
<td>35.4 - 141.61</td>
<td>3.0 - 11.8</td>
<td>20</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>900</td>
<td>106</td>
<td>23</td>
<td>432</td>
<td>17.007874015748033</td>
<td>1.3</td>
<td>2.87</td>
<td>1/2 in. Square</td>
</tr>
<tr>
<td>QE4ST025R20Q04</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>80.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST025R20S04</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>63.5</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST025R20S06</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>60.3</td>
<td>N/A</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST025R21Q04</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>80.5</td>
<td>10</td>
<td>406</td>
<td>15.984251968503937</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST025R21S04</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>63.5</td>
<td>10</td>
<td>390</td>
<td>15.354330708661418</td>
<td>1.2</td>
<td>2.65</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST025R21S06</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>63.5</td>
<td>10</td>
<td>385</td>
<td>15.157480314960631</td>
<td>1.2</td>
<td>2.65</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST025R21S08</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>55</td>
<td>10</td>
<td>381</td>
<td>15</td>
<td>1.2</td>
<td>2.65</td>
<td>1/2 in. Square</td>
</tr>
<tr>
<td>QE4ST025R41Q04</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>131</td>
<td>23</td>
<td>457</td>
<td>17.99212598425197</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Quick Change</td>
</tr>
<tr>
<td>QE4ST025R41S04</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>114</td>
<td>23</td>
<td>440</td>
<td>17.322834645669293</td>
<td>1.3</td>
<td>2.87</td>
<td>1/4 in. Square</td>
</tr>
<tr>
<td>QE4ST025R41S06</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>111</td>
<td>23</td>
<td>437</td>
<td>17.20472440944882</td>
<td>1.3</td>
<td>2.87</td>
<td>3/8 in. Square</td>
</tr>
<tr>
<td>QE4ST025R41S08</td>
<td>5.0 - 20.0</td>
<td>44.3 - 177.0</td>
<td>3.7 - 44.1</td>
<td>25</td>
<td>Trigger Start</td>
<td>Inline</td>
<td>710</td>
<td>106</td>
<td>23</td>
<td>432</td>
<td>17.007874015748033</td>
<td>1.3</td>
<td>2.87</td>
<td>1/2 in. Square</td>
</tr>
</tbody>
</table>
