Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistanceFor general use in wood, metal, and plasticIdeal for use in stationary drills135 degree split point ensures a true start and eliminates bit walkingSpecificationsItem #SizeTwist LengthOverall LengthBulk606077/64"5/8"1-7/8"606081/8"5/8"2"606099/64"5/8"2"606105/32"5/8"2-1/16"606123/16"5/8"2-3/16"606147/32"11/16"2-3/8"606161/4"7/8"2-1/2"