用户体验好
采用人机工程学设计，操作员舒适性好，功率重量比经过优化，能够更轻松地工作，降低疲劳，具有小角度头，可实现理想的节流阀朝向，这些钻可以轻松完成各项工作。
维护简单
采用模块化设计，您可以轻松互换零件，维护成本低。
耐用性好
采用高质量夹头，这些钻能够抵御恶劣条件。您可以依赖这些钻完成任何工作。
<table>
<thead>
<tr>
<th>Model</th>
<th>Actuation</th>
<th>Reversible</th>
<th>Max. Working Torque (Nm)</th>
<th>Max. Working Torque (in-lb)</th>
<th>Free Speed (rpm)</th>
<th>Weight with Chuck (kg)</th>
<th>Weight with Chuck (lb)</th>
<th>Length with Chuck (mm)</th>
<th>Length with Chuck (in)</th>
<th>Bit Holder Capacity (in)</th>
<th>Bit Holder Capacity (mm)</th>
<th>Angle Head Heights w/ Collet (mm)</th>
<th>Angle Head Heights w/ Chuck (mm)</th>
<th>Angle Head Heights w/ Collet (in)</th>
<th>Angle Head Heights w/ Chuck (in)</th>
<th>Side to Center (mm)</th>
<th>Side to Center (in)</th>
<th>Sound Level dB(A)</th>
<th>Rated Power (hp)</th>
<th>Head Style</th>
<th>Air Inlet</th>
<th>cfm</th>
</tr>
</thead>
<tbody>
<tr>
<td>7LH1A1</td>
<td>Lever Start</td>
<td>No</td>
<td>3.5</td>
<td>31</td>
<td>6000</td>
<td>1.02</td>
<td>2.25</td>
<td>263</td>
<td>10.38</td>
<td>1/4 in.- 28 Female Thread</td>
<td>N/A</td>
<td>28</td>
<td>N/A</td>
<td>1.1</td>
<td>N/A</td>
<td>8</td>
<td>0.3</td>
<td>82</td>
<td>0.75</td>
<td></td>
<td>1/4 in. NPT</td>
<td>26</td>
</tr>
<tr>
<td>7LJ1A1</td>
<td>Lever Start</td>
<td>No</td>
<td>4.5</td>
<td>40</td>
<td>4800</td>
<td>1.02</td>
<td>2.25</td>
<td>263</td>
<td>10.38</td>
<td>1/4 in.- 28 Female Thread</td>
<td>N/A</td>
<td>28</td>
<td>N/A</td>
<td>1.1</td>
<td>N/A</td>
<td>8</td>
<td>0.3</td>
<td>82</td>
<td>0.75</td>
<td></td>
<td>1/4 in. NPT</td>
<td>26</td>
</tr>
<tr>
<td>7LM3A43</td>
<td>Lever Start</td>
<td>No</td>
<td>18.7</td>
<td>170</td>
<td>900</td>
<td>1.8</td>
<td>3.9</td>
<td>281</td>
<td>11.1</td>
<td>3/8</td>
<td>10</td>
<td>N/A</td>
<td>99</td>
<td>N/A</td>
<td>3.9</td>
<td>18</td>
<td>0.7</td>
<td>82</td>
<td>0.75</td>
<td>90 Degree Chuck</td>
<td>1/4 in. NPT</td>
<td>26</td>
</tr>
<tr>
<td>7LN3A44</td>
<td>Lever Start</td>
<td>No</td>
<td>28.1</td>
<td>255</td>
<td>600</td>
<td>1.9</td>
<td>4.2</td>
<td>281</td>
<td>11.1</td>
<td>1/2</td>
<td>13</td>
<td>N/A</td>
<td>105</td>
<td>N/A</td>
<td>4.1</td>
<td>18</td>
<td>0.7</td>
<td>82</td>
<td>0.75</td>
<td>90 Degree Chuck</td>
<td>1/4 in. NPT</td>
<td>26</td>
</tr>
</tbody>
</table>
