Spiral Fluted Tap Series HC+SP/HC-SP Spiral Fluted Taps for High Carbon Steels Spiral Fluted Taps (for blind hole) Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes M14 × 1 P2 SCMQ014M 2.5P 88 26 - 45 10.5 8 11 3 2 △ M16 × 2 P2 SCMQ016Q 2.5P 95 26 - 48 12.5 10 13 3 2 ○ M16 × 1.5 P2 SCMQ016O 2.5P 95 26 - 48 12.5 10 13 3 2 △ Spiral Fluted Taps (for through hole) M16 × 1 P2 SCMQ016M 2.5P 95 26 - 48 12.5 10 13 3 2 △ M18 × 2.5 P3 SCMR018R 2.5P 100 33 - 51 14 11 14 4 2 △ M18 × 2 P3 SCMR018Q 2.5P 100 33 - 51 14 11 14 4 2 △ M18 × 1.5 P2 SCMQ018O 2.5P 100 33 - 51 14 11 14 4 2 △ Spiral Pointed Taps (for through hole) M18 × 1 P2 SCMQ018M 2.5P 100 18 - 51 14 11 14 4 3 △ M20 × 2.5 P3 SCMR020R 2.5P 105 33 - 50 15 12 15 4 4 ○ M20 × 2 P3 SCMR020Q 2.5P 105 33 - 50 15 12 15 4 4 △ M20 × 1.5 P3 SCMR020O 2.5P 105 33 - 50 15 12 15 4 4 △ M20 × 1 P2 SCMQ020M 2.5P 105 18 - 50 15 12 15 4 5 △ Hand Taps M22 × 2.5 P3 SCMR022R 2.5P 115 33 - 55 17 13 16 4 4 △ M22 × 2 P3 SCMR022Q 2.5P 115 33 - 55 17 13 16 4 4 △ M22 × 1.5 P3 SCMR022O 2.5P 115 33 - 55 17 13 16 4 4 △ M24 × 3 P3 SCMR024S 2.5P 120 39 - 55 19 15 18 4 4 △ Cemented Carbide Taps M24 × 2 P3 SCMR024Q 2.5P 120 39 - 55 19 15 18 4 4 △ M24 × 1.5 P3 SCMR024O 2.5P 120 39 - 55 19 15 18 4 4 △ M25 × 1.5 P3 SCMR025O 2.5P 125 39 - 58 19 15 18 4 4 △ M26 × 1.5 P3 SCMR026O 2.5P 130 39 - 60 20 15 18 4 4 △ Roll Taps M27 × 3 P3 SCMR027S 2.5P 130 39 - 60 20 15 18 4 4 △ M27 × 1.5 P3 SCMR027O 2.5P 130 39 - 60 20 15 18 4 4 △ M28 × 1.5 P3 SCMR028O 2.5P 135 46 - 62 23 17 20 4 4 △ M30 × 3.5 P4 SCMS030T 2.5P 135 46 - 62 23 17 20 4 4 △ M30 × 1.5 P3 SCMR030O 2.5P 135 46 - 62 23 17 20 4 4 △ Special Thread Taps Simple Inspection Tools For Whitworth Threads Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes 1/4W20 P2 SCMQW04N 2.5P 62 15 26 33 6 4.5 7 3 1 △ Pipe Taps 5/16W18 P2 SCMQW05O 2.5P 70 19 - 36 6.2 5 8 3 2 △ 3/8W16 P2 SCMQW06P 2.5P 75 23 - 38 7 5.5 8 3 2 △ 1/2W12 P3 SCMRW08S 2.5P 88 26 - 45 10.5 8 11 3 2 △ 5/8W11 P3 SCMRW10U 2.5P 95 26 - 48 12.5 10 13 3 2 △ 3/4W10 P3 SCMRW12V 2.5P 105 33 - 50 15 12 15 4 4 △ Thread Mills 7/8W9 P3 SCMRW14W 2.5P 115 33 - 55 17 13 16 4 4 △ 1 W8 P3 SCMRW16X 2.5P 125 39 - 58 19 15 18 4 4 △ Dies Center Drills Centering Tools JIS SP-47 ◎=Standard ○=Semi standard △=Made to order 364 For improvement, spec may change without advance notice.