Page 564 - Yamawa_European_Catalogue_YEU23
P. 564
Special Threads, Gauges
Intro
CHECK PINS
SP
How to use Check Pins 5 th
You can check both hole size and hole condition at the same time Step
by this Check-pin!
CPC-S
SL straight type Thread Inspection using
Simple Inspection Tool
1 st 2 nd 3 rd 4 th SIT
PO (NB-6H)
Step Step Step Step
Positioning &
Drilling Reaming Tapping
Countersinking
ST
Point drill Drill Reamer Tap
(PE-Q-V)
ROLL
CARBIDE
LONG
HAND ∙ Longer tool life
TAPS POINT Appropriate bored ∙ Improved quality of Total cost
hole before tapping reduction!
internal threads
EG (STI)
It is important to check the hole condition before tapping
SPECIAL Hole condition can be inappropriate before tapping.
THREADS, Accurate hole size and shape, enable longer tool life and avoid tapping troubles. Let's check the hole before tapping.
GAUGES
YMW
THREAD CASE CASE CASE CASE
MILLS
1 Bending 2 Slanting 3 Oversize hole 4 Undersize
hole
entrance
DIES
Check-pin stops Hole isn't Hole entrance Hole is too
on the way. vertical. is too big. small.
CENTER
× × × ×
DRILLS
BAD
BAD
BAD
BAD
Technical
info
562

