TAPS & DIES

TAPSUSED TO CUT INTERNAL THREADS(QUESTION ON TOOL TEST)

TAP HANDLE

TAP AND HANDLERE-THREADING A NUT

CUTTING THREADS ON OUR FIRST SHOP PROJECT

DIFFERENT KINDS OF TAPS

TAPER

PLUGBOTTOMING

WHEN TO USE DIFFERENT KINDS OF TAPS

ALWAYS USE TAPER OR PLUG TO START NEW HOLES

HAVE TO CHANGE TO A BOTTOMING TAP WHEN THREADING TO THE BOTTOM OF BLIND HOLE

BLIND HOLE - DOESN’T GO ALL THE WAY THROUGH

HOW TO USE

USE CUTTING OIL WHEN MAKING NEW THREADS ON EVERYTHING EXCEPT CAST IRON

NO MORE THAN 2 TURNS WITHOUT BACKING UP A 1/2 TURN

DIFFERENT WAYS TO DRIVE TAPS

WITH “T” HANDLE

WITHRATCHET

WHEN SPACE IS A PROBLEM

DIES

DIE HANDLE

USES FOR DIES

CUT

EXTERNAL THREADS (ON TOOL TEST)

CLEAN (CHASE) EXTERNAL THREADS

HOW TO USE

USE CUTTING OIL WHEN MAKING NEW THREADS

NO MORE THAN 2 TURNS WITHOUT BACKING UP A 1/2 TURN (JUST LIKE TAPS)

SELECTING THE RIGHT TAP OR DIE

YOU HAVE TO KNOW 2 THINGS DIAMETER (DISTANCE ACROSS) HOW CLOSE THE THREADS ARE TO

EACH OTHERTHREADS PER INCH (U.S.C.S.)MILLIMETERS BETWEEN THREADS (METRIC)

FINDING THE DIAMETER

FINDING HOW CLOSE THE THREADS ARE TOGETHER

THREAD PITCH GAUGE

MEASURES THREADS PER INCH

FINDING HOW CLOSE THE THREADS ARE TOGETHER

IN THE USCS THERE ARE TWO MAJOR THREADSERIES FOR BOLTS AND NUTS (ON TOOL TEST)

NATIONAL COARSE(NC)

THREAD SERIES

NATIONAL COARSE(NC)

NATIONAL FINE(NF)

THERE IS ALSO BRAKE THREAD, TUBING THREADPIPE THREAD PLUS METRIC THREAD (NOT ON TEST)

SET TO 1/2” APPROXIMATELY $80