| 21/64" HSS Straight Shank Drill Bit
Our Straight Shank Drill Bits are exactly what you'll need to complete the first step in the Screw Thread Insert installation process. The drill will clean up the original, damaged threads and pave the way in creating a new, stronger thread.
The 21/64" HSS Straight Shank Drill is designed for use with the following screw thread inserts...
Helical Insert Sizes:
M8 x 1.25
M8 x 1
Looking for the Inserts or a Complete Thread Repair Kit?
For a comprehensive list of our available kits, inserts, and tools - please visit our Helical Thread Insert or Key-Locking Thread Insert summary pages.