Обший каталог Yamawa 2016 - 2017 - страница 398

Spiral Pointed Taps Series
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


IPO
Spiral Pointed Taps for General Purpose
Specification
(for through hole)


2D
Oxide

Recommended Tapping Speeds depending on Materials
(for through hole)


ow carbon steels
〜
5
For icon explanation, refer to P.50
Hand Taps


Product features How to use IPO
●IPO is the best tap for through holes to be used with lower ●Start tapping after boring holes corresponding to the thread
cutting speed on drilling machines. size by using drills.
Cemented
Carbide Taps


●Use for threading of the iron（SPC or SS400）products used ●In the case of tapping with drilling machines, recommended
in our daily life. tapping speed is slower than 5m/min.
●Surface treated. Oxidization, the most suitable surface ●During tapping, please use tapping oil.
treatment for iron products.
●Suitable for internal thread cutting in small quantity, such as
Roll Taps


tapping of test pieces.
●Having spiral points in the
chamfer portion, IPO ejects chips
forward in the tapping direction
and is for through hole use.
Special Thread Taps
Pipe Taps Simple Inspection Tools


Tapping for through holes When hand tapping, always Machine tapping with drilling
use tap wrench machine
■Table for bored and drilled hole sizes unit：mm
Minor diameter of internal thread size Blister Pack
Thread
Size Minimum Maximum tolerance Drill size
engagement
tolerance 6H (2nd class) 7H (3rd class)
M3 × 0.5 2.459 2.599 2.639 2.6（2.5） 74%（92%）
M4 × 0.7 3.242 3.422 3.466 3.4（3.3） 79%（92%）
Thread Mills


M5 × 0.8 4.134 4.344 4.384 4.3（4.2） 81%（92%）
M6 × 1 4.917 5.153 5.217 5.1（5.0） 83%（92%）
M8 × 1.25 6.647 6.912 6.982 6.9（6.8） 91%（89%） fer
M10 × 1.5 8.376 8.676 8.751 8.6（8.5） 86%（92%）
5
note1) Recommended drill sizes shown in this table are for internal threads of 7H class（3rd class), and
are selected from the standard drills available in the market.
note2) Drill sizes shown in brackets in this table are for such case as the drilling has oversize cutting
Dies


tendency or for internal threads of 6H class（2nd class).

【Related products】
Shank adjuster
Center Drills


●For deep hole tappings, please use shank adjusters.
●There is only a one touch motion required to detach and attach
the I series taps (IHT/ISP/IPO) from or to the shank adjuster.
＊For details of shank adjuster, refer to P.545
Centering Tools


JIS
PO-03
PO-1 Obtainable from
394 For improvement, spec may change without advance notice. Video site shown in right