Although traditional in design, modern technology and metallurgical advances have improved the traditional threadbox and tap and perfected its components. Bottoming Taps are for cutting threads to the bottom of a blind hole. Use them after a regular tap has gone as far as it can in your hole.

• Bottoming Taps are for cutting threads to the bottom of a blind hole
• Steel tap is machined to close tolerances and designed to allow easy chip clearance
• The resulting wood thread is both tight fitting and strong