ISP

Spiral Fluted Taps for General Purpose

Specification

2D

Oxide

Recommended Tapping Speeds depending on Materials

ow carbon steels

〜5

For icon explanation, refer to P.50

Product features How to use ISP

  • ISP is the best tap for blind holes to be used on the lower
  • Start tapping after boring holes corresponding to the thread

cutting speed with drilling machines. size by using drills.

  • Use for threading of iron (SPC or SS400) products used in
  • In the case of tapping with drilling machines, recommended

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 tapping of test pieces.
  • Having spiral flutes, ISP ejects chips backward against the tapping direction and is for blind hole use.

Tapping for blind holes When hand tapping, always Machine tapping with drilling use tap wrench machine

■Table for bored and drilled hole sizes : unit mm Blister Pack

Minordiameter of internal thread size
SizeMinimumMaximumtoleranceDrill sizeThread enaement
tolerance6H(2nd class)7H(3rd class)gg
M3×0.52.4592.5992.6392.6(2.5)74%(92%)
M4×0.73.2423.4223.4663.4(3.3)79%(92%)
M5×0.84.1344.3444.3844.3(4.2)81%(92%)
M6×14.9175.1535.2175.1(5.0)83%(92%)
M8×1.256.6476.9126.9826.9(6.8)91%(89%)
M10×1.58.3768.6768.7518.6(8.5)86%(92%)

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

【Related products】

Shank adjuster

●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

fer

5

Obtainable from