Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk HT Hand Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes TNMQUN4H5 5P P2 ○ TNMQUN4H1 1.5P No.4-40UNC 46 9 14 26 4 3.2 6 3 3 TNMRUN4H5 5P P3 △ (for through hole) Spiral Fluted Taps TNMRUN4H1 1.5P TNMPUN4F5 5P P1 TNMPUN4F1 1.5P No.4-48UNF 46 9 14 26 4 3.2 6 3 3 △ TNMRUN4F5 5P P3 TNMRUN4F1 1.5P (for through hole) Spiral Pointed Taps TNMQUN5H5 5P P2 TNMQUN5H1 1.5P No.5-40UNC 52 11 16 29 5 4 7 3 3 △ TNMRUN5H5 5P P3 TNMRUN5H1 1.5P TNMPUN5G5 5P Hand Taps P1 TNMPUN5G1 1.5P No.5-44UNF 52 11 16 29 5 4 7 3 3 △ TNMRUN5G5 5P P3 TNMRUN5G1 1.5P TNMQUN6J5 5P Carbide Taps Cemented P2 ○ TNMQUN6J1 1.5P No.6-32UNC 52 11 16 29 5 4 7 3 3 TNMRUN6J5 5P P3 △ TNMRUN6J1 1.5P TNMQUN6H5 5P Roll Taps P2 TNMQUN6H1 1.5P No.6-40UNF 52 11 16 29 5 4 7 3 3 △ TNMRUN6H5 5P P3 TNMRUN6H1 1.5P TNMQUN8J5 5P P2 ○ Simple Inspection Tools Special Thread Taps TNMQUN8J1 1.5P No.8-32UNC 60 13 21 33 5.5 4.5 7 4 3 TNMRUN8J5 5P P3 △ TNMRUN8J1 1.5P TNMQUN8I5 5P P2 Pipe Taps TNMQUN8I1 1.5P No.8-36UNF 60 13 21 33 5.5 4.5 7 4 3 △ TNMRUN8I5 5P P3 TNMRUN8I1 1.5P TNMQUNAM5 5P P2 ○ TNMQUNAM1 1.5P Thread Mills No.10-24UNC 60 13 22 33 5.5 4.5 7 4 3 TNMRUNAM5 5P P3 △ TNMRUNAM1 1.5P TNMQUNAJ5 5P P2 ○ TNMQUNAJ1 1.5P Dies No.10-32UNF 60 13 22 33 5.5 4.5 7 4 3 TNMRUNAJ5 5P P3 △ TNMRUNAJ1 1.5P TNMQUNCM5 5P P2 No.12-24UNC TNMQUNCM1 1.5P 62 15 26 33 6 4.5 7 4 3 △ P3 TNMRUNCM5 5P Center Drills TNMQUNCK5 5P P2 TNMQUNCK1 1.5P No.12-28UNF 62 15 26 33 6 4.5 7 4 3 △ TNMRUNCK5 5P P3 TNMRUNCK1 1.5P Centering Tools TNMQUNCJ5 5P No.12-32UNEF P2 62 15 26 33 6 4.5 7 4 3 △ TNMQUNCJ1 1.5P 1/4-20UNC P2 TNMQU04N5 5P 62 15 26 33 6 4.5 7 4 3 ○ JIS ◎=Standard ○=Semi standard △=Made to order HT-14 For improvement, spec may change without advance notice. 439