A MECHANICAL DEVICE APPLIED TO MAKE A STANDARD THREAD ON A HOLE.

STYLE, SIZE, CHAMFER AND BLANK DESIGN.

STRAIGHT THREAD, TAPER AND STRAIGHT PIPE, PULLY ETC. OR PURPOSE.

ON LOBE STYLE AND CONSTRUCTION FOR FORMING TAPS.

HAVE STRAIGHT FLUTES OF A NUMBER SPECIFIED AS EITHER STANDARD OR OPTIONAL, AND ARE FOR GENERAL PURPOSE APPLICATIONS.

HAVE STRAIGHT FLUTES AND THE CUTTING FACE OF THE FIRST FEW THREADS IS GROUND AT AN ANGLE TO FORCE THE CHIPS AHEAD AND PREVENT CLOGGING IN THE FLUTES.

ARE MADE WITH THE SPIRAL POINT FEATURE ONLY WITHOUT LONGITUDINAL FLUTES. THESE ARE ESPECIALLY SUITABLE FOR TAPPING IN MATERIALS.

HAVE RIGHT HAND HELICAL FLUTES WITH A HELIX ANGLE OF 25-35 DEGREES. THESE FEATURES ARE DESIGNED TO HELP DRAW CHIPS FROM THE HOLE OR TO BRIDGE A KEYWAY.

ARE SIMILAR TO SPIRAL FLUTED TAPS EXCEPT THE HELIX ANGLE IS FROM 45-60 DEGREES.

ARE FLUTELESS EXCEPT AS OPTIONALLY DESIGNED WITH 1 OR MORE LUBRICATING GROOVES. THE THREAD FORM N THE TAPIS LOBED, SO THAT THERE ARE A FINITE NUMBER OF POINTS CONTACTING THE WORK THREAD FORM. THE TAP DOES NOT CUT, BUT FORMS THE THREAD BY EXTRUSION.

WE'RE ORIGINALLY DESIGNED FOR TAPPING LINE SHAFT PULLEYS BY HAND. TODAY, THESE TAPS HAVE SHANKS THAT ARE EXTENDED IN LENGTH BY A STANDARD AMOUNT FOR USE WHERE ADDED REACH IS REQUIRED.

ARE USED TO PRODUCE STANDARD STRAIGHT OR TAPERED PIPE THREADS.