For use by Carpenters to bore through rafters and uprights used in railroad, ship and fence construction. Equally efficient for boring through exotic woods like Bongosi/Azobe, Jarrah/ Karri etc.

Characteristics: Four cutting spurs; full screw-point tip allows bit to self-feed for ease of drilling; tapered 4-flute version for faster chip ejection and less binding; 1/4“ quick-change shank reduces slipping in standard chucks. Usage: For faster and cleaner holes