| 摘要 |
The invention relates to a drilling and thread-cutting guide (1) comprising a guide unit (3) which can be fixed in position on a workpiece (2) and at its lower part (4) has support position (5). The guide unit (3) cooperates with a guide sleeve (6) inserted therein and having an inner diameter matching the working tool (7) to be used, said support portion (5) being constituted by a mounting piece (8) which can be mounted on the workpiece for the double purpose of both supporting the guide unit (3) and retaining it in a fixed position. |
