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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