Threaded Shank Screwdriver Bit Set

Threaded screwdriver bits work with the Right Angle Drill Attachment and/or Extensions for close-quarter installations. The Set includes: Phillips #1 (for screw numbers 2, 3 & 4) & #2 (for screw numbers 5, 6, 7, 8 & 9) and slotted #3-4 & #6-8. Each screwdriver bit has 1/4-28 UNF-2A threads and 1/4″ hex wrench flats and is 23/32″ long (excluding the threads). The bits are black oxided to prevent corrosion while enhancing appearance.