Hand Tap Series SU-HT Hand Taps for Stainless 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 TUMS030O4 4P M30 × 1.5 P4 135 46 - 62 23 17 20 4 3 △ TUMS030O1 1.5P For Unified Threads Spiral Fluted Taps (for through hole) Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes TUMQU04N4 4P 1/4-20UNC P2 62 15 26 33 6 4.5 7 3 1 △ TUMQU04N1 1.5P TUMQU04K4 4P Spiral Pointed Taps (for through hole) 1/4-28UNF P2 62 15 26 33 6 4.5 7 3 1 △ TUMQU04K1 1.5P TUMRU05O4 4P 3 5/16-18UNC P3 70 19 - 36 6.2 5 8 2 △ TUMRU05O1 1.5P 4 TUMQU05M4 4P 3 5/16-24UNF P2 70 19 - 36 6.2 5 8 2 △ Hand Taps TUMQU05M1 1.5P 4 TUMRU06P4 4P 3 3/8-16UNC P3 75 23 - 38 7 5.5 8 2 △ TUMRU06P1 1.5P 4 TUMQU06M4 4P 3 3/8-24UNF P2 75 23 - 38 7 5.5 8 2 △ Cemented Carbide Taps TUMQU06M1 1.5P 4 TUMRU07Q4 4P 3 7/16-14UNC P3 82 26 - 42 8.5 6.5 9 2 △ TUMRU07Q1 1.5P 4 TUMRU07N4 4P 3 7/16-20UNF P3 82 26 - 42 8.5 6.5 9 2 △ TUMRU07N1 1.5P 4 Roll Taps TUMRU08R4 4P 3 1/2-13UNC P3 88 26 - 45 10.5 8 11 2 △ TUMRU08R1 1.5P 4 TUMRU08N4 4P 3 1/2-20UNF P3 88 26 - 45 10.5 8 11 2 △ TUMRU08N1 1.5P 4 Special Thread Taps Simple Inspection Tools TUMRU10U4 4P 5/8-11UNC P3 95 26 - 48 12.5 10 13 4 2 △ TUMRU10U1 1.5P TUMRU10O4 4P 5/8-18UNF P3 95 26 - 48 12.5 10 13 4 2 △ TUMRU10O1 1.5P Pipe Taps TUMSU12V4 4P 3/4-10UNC P4 105 33 - 50 15 12 15 4 3 △ TUMSU12V1 1.5P TUMRU12P4 4P 3/4-16UNF P3 105 33 - 50 15 12 15 4 3 △ TUMRU12P1 1.5P For Whitworth Threads Thread Mills Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes TUMRW04N4 4P 1/4W20 P3 62 15 26 33 6 4.5 7 3 1 △ TUMRW04N1 1.5P TUMRW05O4 4P 3 Dies 5/16W18 P3 70 19 - 36 6.2 5 8 2 △ TUMRW05O1 1.5P 4 TUMRW06P4 4P 3 3/8W16 P3 75 23 - 38 7 5.5 8 2 △ TUMRW06P1 1.5P 4 TUMRW07Q4 4P 3 Center Drills 7/16W14 P3 82 26 - 42 8.5 6.5 9 2 △ TUMRW07Q1 1.5P 4 TUMRW08S4 4P 3 1/2W12 P3 88 26 - 45 10.5 8 11 2 △ TUMRW08S1 1.5P 4 TUMRW10U4 4P 5/8W11 P3 95 26 - 48 12.5 10 13 4 2 △ Centering Tools TUMRW10U1 1.5P TUMSW12V4 4P 3/4W10 P4 105 33 - 50 15 12 15 4 3 △ TUMSW12V1 1.5P JIS HT-35 ◎=Standard ○=Semi standard △=Made to order 460 For improvement, spec may change without advance notice.