3/8" 90° Solid Carbide Countersink 1/2 Threaded Shank Countersinks Super hard titanium nitride surface

Super hard titanium nitride surface treatment improves drill life

The 4-Flute Cross Tip design reduces vibrations and allows for faster dust removal

These drills have a 5-1/2" drilling depth and are sold individually

These bits can be used with various materials such as aluminum

accurate drilling

3/8" 90° Solid Carbide Countersink 1/2 Threaded Shank Countersinks Super hard titanium nitride surfaceSpecifications SIZE 3 8" OVERALL LENGTH 2 3 4" MATERIAL CARBIDE FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1 4" NUMBER OF FLUTES 6 SHANK TYPE ROUND CUTTING ANGLE 90 SUGGESTED PACK QTY 1 6 flute countersinks, also known as chatterless countersinks, are designed to remove more metal compared to countersinks with fewer flutes. They are also more effective on harder materials and provide a more chatter free cut.