THIS QUALTECH SPIRAL DRILL BIT FEATURES AN 8.75-INCH OVERALL LENGTH (OAL) AND IS DESIGNED WITH TWO FLUTES. THE FLUTE LENGTH MEASURES 6.25 INCHES. IT UTILIZES A STRAIGHT SHANK THAT IS 2 INCHES IN LENGTH. THE DRILL BIT HAS A DIAMETER OF 1.25 INCHES, WHILE THE SHANK DIAMETER IS 0.75 INCHES.