Обший каталог Yamawa 2016 - 2017 - страница 322

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Spiral Fluted Tap Series Spiral Fluted Taps (for blind hole) ISP Spiral Fluted Taps for General Purpose Specification Spiral Fluted Taps (for through hole) 2D Oxide Recommended Tapping Speeds depending on Materials Spiral Pointed Taps (for through hole) ow carbon steels 〜5 For icon explanation, refer to P.50 Hand Taps 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. Cemented Carbide Taps ●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 Roll Taps 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 Special Thread Taps Simple Inspection Tools hole use. Tapping for blind 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%） 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%） Thread Mills 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 Obtainable from Video site shown in right JIS SP-1 318 For improvement, spec may change without advance notice.