Spiral Fluted Tap Series Spiral Fluted Taps (for blind hole) HFISP For Ultra Fast Tapping, Horizontal Use. Low Spiral Fluted Taps for Carbon Steels Spiral Fluted Taps (for through hole) Specification ■Applicable for ultra high speed tapping. Having internal Coating 2D coolant hole(center through hole), HFISP is suitable for carbon steels and alloy steels, blind hole use. Effective in horizontal tapping use. Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials ow carbon steels Medium carbon steels High carbon steels Alloy steels 20〜50 20〜50 20〜30 20〜30 Hand Taps For icon explanation, refer to P.50 TYPE:1 TYPE:2 Cemented Carbide Taps Segment:1D Roll Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads M6 × 1 P4 HFISPS6.0M 2.5P 62 19 27 32 6 - - 3 1 ○ M8 × 1.25 P4 HFISPS8.0N 2.5P 70 22 - 36 8 - - 3 2 ○ Special Thread Taps Simple Inspection Tools M10 × 1.5 P4 HFISPS010O 2.5P 75 24 - 37 10 - - 3 2 ○ M10 × 1.25 P4 HFISPS010N 2.5P 75 24 - 37 10 - - 3 2 ○ M12 × 1.75 P4 HFISPS012P 2.5P 82 29 - 40 12 - - 3 2 ○ M12 × 1.5 P4 HFISPS012O 2.5P 82 29 - 40 12 - - 3 2 ○ Pipe Taps M12 × 1.25 P4 HFISPS012N 2.5P 82 29 - 40 12 - - 3 2 ○ M14 × 1.5 P4 HFISPS014O 2.5P 88 30 - 40 12 - - 3 2 ○ M16 × 1.5 P4 HFISPS016O 2.5P 95 32 - 43 16 - - 3 2 ○ M18 × 1.5 P4 HFISPS018O 2.5P 100 37 - 45 16 - - 4 2 ○ Thread Mills M20 × 1.5 P5 HFISPT020O 2.5P 105 37 - 45 16 - - 4 2 ○ Remarks: 1.HFISP do not have square on its shank, please use holders having strong gripping force, such as milling chucks. 2.Rear end of the shank is to tongue specification. If the portion which contacts the rear end has V saucer shape, coolant may leak. Dies Center Drills Centering Tools JIS SP-59 ◎=Standard ○=Semi standard △=Made to order 376 For improvement, spec may change without advance notice.