3/8" 90° Solid Carbide Countersink 1/2 Threaded Shank Countersinks These drills have a 5-1/2"

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

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

Sold 6 per pack

this bit is made for durability in demanding applications

QTY 1 STE1 (1/8" - 1/2" x 32nds)

3/8" 90° Solid Carbide Countersink 1/2 Threaded Shank Countersinks These drills have a 5-1/2"Specifications 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.