The document discusses various tool-holding and work-holding devices that can be used with a drill press to increase its versatility. It describes common tool-holding devices like drill chucks, sleeves, and sockets that are used to hold cutting tools. It also outlines different types of work-holding devices like vises, angle plates, clamps, and jigs that are used to securely hold workpieces for drilling. It provides details on properly applying clamping stresses and techniques to avoid distortion of the workpiece.

1. Holding Devices Session 11

11. Drill Drifts

12. Drill Drifts

13. Drill Drift

14. Drill Drift Rounded edge up

23. Work-Holding Devices

27. Work-Holding Devices Finger clamp U-clamp Straight clamp