Обший каталог Yamawa 2016 - 2017 - страница 398

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Spiral Pointed Taps Series Spiral Fluted Taps (for blind hole) IPO Spiral Pointed Taps for General Purpose Spiral Fluted Taps (for through hole) Specification 2D Oxide Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials ow carbon steels 〜5 Hand Taps For icon explanation, refer to P.50 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 Simple Inspection Tools Tapping for through holes When hand tapping, always Machine tapping with drilling use tap wrench machine Pipe Taps ■Table for bored and drilled hole sizes unit：mm Minor diameter of internal thread size Blister Pack Size Minimum Maximum tolerance Drill size Thread tolerance engagement 6H (2nd class) 7H (3rd class) M3 × 0.5 2.459 2.599 2.639 2.6（2.5） 74%（92%） Thread Mills M4 × 0.7 3.242 3.422 3.466 3.4（3.3） 79%（92%） 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. Dies 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】 Center Drills 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 Centering Tools JIS PPOO-0-31 Obtainable from 394 For improvement, spec may change without advance notice. Video site shown in right