Knurled Cup Point
Use where vibration may be a problem. Knurls lock onto seating material and prevents screw from loosening.
Plain Cup Point
Used to fasten shaft collars, gears or knobs to shafts.
Used against hardened surfaces or when frequent adjustments are needed and where no locking point is required.
Cone Point
For permanent location of parts. deep penetration of point gives the highest holding power.
Dog Point
Used for permanent location of one part to another. Point is often set into a drilled hole. May sometimes take the place of a dowel pin.
Flat Point
Used when parts must frequently be reset. Causes very little or no damage to the part it seats against.