| 摘要 |
Screw guide is provided and includes a cylindrical member having a first end adapted to rotate a fastener and a second end adapted to receive torque from an external source and transfer the torque to the fastener, a stop ring engaged with the cylindrical member that is adjustable to control the movement of the fastener with respect to the screw guide. The screw guide may also include a sleeve that surrounds the cylindrical member and the stop ring and a stand off ring that is engaged with the cylindrical member.
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