| 摘要 |
An adjustable drilling edge-widening and screw driving tool set includes a main body, a first sleeve, a second sleeve and a third sleeve. The main body has the front portion installed with a drill base and the rear portion combined with a locking rod of a powered tool. With the powered tool to drive the main body to rotate, the drill base fixing a drill can be simultaneously driven to rotate. A first sleeve combined with a second sleeve is used to operate a micro adjustment of extending length of the drill base and the drill to get a precise depth of drilling and edge-widening, and a third sleeve is employed to enable the locking rod combined with or released from the rear portion of main body. The locking rod released from the main body can be solely used as a screw driver. So, the adjustable tool set has three kinds of functions.
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