step drill - side and front view
Step Drills are designed to do two jobs in a single pass. They are used to drill a hole with a counterbore, countersink, or chamfer. They can be re-sharpened or easily modified for a special length of step. Step drills are available in Jobber or Taper length.
360° view
90 Degree Angle Step Drills page 116
High Speed Steel 90 Degree Angle Step Drills are designed for drilling and counterboring 90° cap screw clearance holes in one operation, saving machine time and reducing set up time. They can be resharpened or modified for a special length of step and are available in jobber length or taper length drill styles.
45 Degree Angle Step Drills page 116
High Speed Steel 45 degree Angle Step Drills are designed for drilling 45° chamfered holes to be tapped in one operation. The chamfered hole ensures alignment of tap threads and should always be used with thread forming taps as they displace metal above the mouth of the hole. They can be resharpened or modified for a special length of step and are available in jobber length or taper length drill styles.
82 Degree Angle Step Drills page 117
High Speed Steel 82 Degree Angle Step Drills are designed for drilling and countersinking 82° flat head machine screw clearance holes in one operation, saving machine time and reducing set up time. They can be resharpened or modified for a special length of step and are available in jobber length or taper length drill styles.
Step Drill Sets - Wood Stand page 117
High Speed Steel 6 Piece Step Drill Sets contain #6 to 3/8 screw sizes and are available in 45°, 82°, and 90° step angles in jobber length and taper length drill styles.