Spiral Fluted Tap Series Overall Chamfer+ Thread Thread+Neck Shank Shank Size of Length of length full thread length length length dia. square square L ℓt ℓ ℓn ℓs Ds K ℓk Spiral Fluted Taps (for blind hole) HDASP For Dry Tapping, Blind Hole Use. Spiral Fluted Taps for Aluminum Spiral Fluted Taps (for through hole) Specification ■Applicable for the tapping under mist or dry condition. Coating Having internal coolant hole(center through type), HDASP is suitable for aluminum castings, blind hole use. For both horizontal and vertical tapping use. Spiral Pointed Taps (for through hole) 2D Recommended Tapping Speeds depending on Materials Hand Taps Wrought aluminum Aluminum alloy castings Magnesium alloy die castings inc alloy castings 20〜50 20〜50 20〜50 20〜50 (m/min) (m/min) (m/min) (m/min) For icon explanation, refer to P.50 Cemented Carbide Taps TYPE:1 TYPE:2 Roll Taps Segment:1D Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes Special Thread Taps Simple Inspection Tools For Metric Threads M6 × 1 P4 HDASPS6.0M 2.5P 62 19 27 32 6 - - 3 1 ○ M8 × 1.25 P4 HDASPS8.0N 2.5P 70 22 - 36 8 - - 3 2 ○ M10 × 1.5 P4 HDASPS010O 2.5P 75 24 - 37 10 - - 3 2 ○ Pipe Taps M10 × 1.25 P4 HDASPS010N 2.5P 75 24 - 37 10 - - 3 2 ○ M12 × 1.75 P4 HDASPS012P 2.5P 82 29 - 40 12 - - 3 2 ○ M12 × 1.5 P4 HDASPS012O 2.5P 82 29 - 40 12 - - 3 2 ○ M12 × 1.25 P4 HDASPS012N 2.5P 82 29 - 40 12 - - 3 2 ○ Thread Mills M14 × 1.5 P4 HDASPS014O 2.5P 88 30 - 40 12 - - 3 2 ○ M16 × 1.5 P4 HDASPS016O 2.5P 95 32 - 43 16 - - 3 2 ○ M18 × 1.5 P4 HDASPS018O 2.5P 100 37 - 45 16 - - 3 2 ○ M20 × 1.5 P5 HDASPT020O 2.5P 105 37 - 45 16 - - 3 2 ○ Dies Remarks: 1.HDASP 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. Center Drills Centering Tools JIS SP-63 ◎=Standard ○=Semi standard △=Made to order 380 For improvement, spec may change without advance notice.