Straight Flute Tap, Thread Size 3/8"-24, UNF, UNJF, Bottom, Overall Length 2 15/16 in/ THREAD PITCH DIAMETERS: 0.3489 TO 0.3494 INCHES THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.250 INCHES NOMINAL SHANK DIAMETER: 0.381 INCHES NOMINAL WIDTH ACROSS FLATS: 0.286 INCHES NOMINAL OVERALL LENGTH: 2.938 INCHES NOMINAL FLUTE QUANTITY: 4 THREAD STRUCTURE: REGULAR THREAD FORMING METHOD: GROUND STARTING CHAMFER TYPE: BOTTOMING SQUARE END LENGTH: 0.438 INCHES NOMINAL MATERIAL AND LOCATION: STEEL, HIGH SPEED OVERALL STYLE DESIGNATOR: M1 STRAIGHT FLUTE THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.375-24 UNF SPECIFICATION/STANDARD DATA: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD