Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk PO Spiral Pointed 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 M33 × 2 ISO2 PM033QANEB 5P 160 29 - 82 25 20 23 4 5 M33 × 1.5 ISO2 PM033OANEB 5P 160 29 - 82 25 20 23 4 5 M33 × 1 ISO2 PM033MANEB 5P 160 29 - 82 25 20 23 4 5 M36 × 4 ISO2 PG036UANEB 5P 200 52 - 102 28 22 25 4 5 ● (for through hole) Spiral Fluted Taps M36 × 3 ISO2 PM036SANEB 5P 200 52 - 102 28 22 25 4 5 M36 × 2 ISO2 PM036QANEB 5P 170 29 - 87 28 22 25 4 5 M36 × 1.5 ISO2 PM036OANEB 5P 170 29 - 87 28 22 25 4 5 M36 × 1 ISO2 PM036MANEB 5P 170 29 - 87 28 22 25 4 5 (for through hole) Spiral Pointed Taps M39 × 4 ISO2 PG039UANEB 5P 200 52 - 102 32 24 27 4 5 M39 × 2 ISO2 PM039QANEB 5P 170 29 - 87 32 24 27 4 5 M39 × 1.5 ISO2 PM039OANEB 5P 170 29 - 87 32 24 27 4 5 M39 × 1 ISO2 PM039MANEB 5P 170 29 - 87 32 24 27 4 5 M42 × 4.5 ISO2 PG042VANEB 5P 200 59 - 102 32 24 27 4 5 Hand Taps M42 × 2 ISO2 PM042QANEB 5P 170 29 - 87 32 24 27 4 5 M42 × 1.5 ISO2 PM042OANEB 5P 170 29 - 87 32 24 27 4 5 M42 × 1 ISO2 PM042MANEB 5P 170 29 - 87 32 24 27 4 5 M45 × 4.5 ISO2 PG045VANEB 5P 220 59 - 112 36 29 32 4 5 Carbide Taps Cemented M45 × 3 ISO2 PM045SANEB 5P 200 49 - 102 36 29 32 4 5 M45 × 2 ISO2 PM045QANEB 5P 180 31 - 92 36 29 32 4 5 M45 × 1.5 ISO2 PM045OANEB 5P 180 31 - 92 36 29 32 4 5 M45 × 1 ISO2 PM045MANEB 5P 180 31 - 92 36 29 32 4 5 Roll Taps M48 × 5 ISO2 PG048WANEB 5P 250 65 - 128 36 29 32 4 5 M48 × 3 ISO2 PM048SANEB 5P 225 49 - 115 36 29 32 4 5 M48 × 2 ISO2 PM048QANEB 5P 190 31 - 97 36 29 32 4 5 M48 × 1.5 ISO2 PM048OANEB 5P 190 31 - 97 36 29 32 4 5 M48 × 1 ISO2 PM048MANEB 5P 190 31 - 97 36 29 32 4 5 Simple Inspection Tools Special Thread 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 Unified Threads No.4-40UNC 2B PDUN4HXNEB 5P 56 9 18 34 3.5 2.7 6 3 2 ● Pipe Taps No.4-48UNF 2B PDUN4FXNEB 5P 56 9 18 34 3.5 2.7 6 3 2 No.5-40UNC 2B PDUN5HXNEB 5P 56 11 18 34 3.5 2.7 6 3 2 No.5-44UNF 2B PDUN5GXNEB 5P 56 11 18 34 3.5 2.7 6 3 2 No.6-32UNC 2B PDUN6JXNEB 5P 56 11 19 32 4 3 6 3 2 ● No.6-40UNF 2B PDUN6HXNEB 5P 56 11 19 32 4 3 6 3 2 Thread Mills No.8-32UNC 2B PDUN8JXNEB 5P 63 13 21 38 4.5 3.4 6 3 2 ● No.8-36UNF 2B PDUN8IXNEB 5P 63 13 21 38 4.5 3.4 6 3 2 No.10-24UNC 2B PDUNAMXNEB 5P 70 14 24 39 6 4.9 8 3 2 ● No.10-32UNF 2B PDUNAJXNEB 5P 70 14 24 39 6 4.9 8 3 2 ● Dies No.12-24UNC 2B PDUNCMXNEB 5P 80 15 28 45 6 4.9 8 3 2 No.12-28UNF 2B PDUNCKXNEB 5P 80 15 28 45 6 4.9 8 3 2 1/4-20UNC 2B PDU04NXNEB 5P 80 15 30 42 7 5.5 8 3 2 ● 1/4-28UNF 2B PDU04KXNEB 5P 80 15 30 42 7 5.5 8 3 2 ● Center Drills 5/16-18UNC 2B PDU05OXNEB 5P 90 19 35 47 8 6.2 9 3 4 ● 5/16-24UNF 2B PMU05MXNEB 5P 90 19 - 46 6 4.9 8 3 5 ● 3/8-16UNC 2B PDU06PXNEB 5P 100 23 39 52 9 7 10 3 4 ● 3/8-24UNF 2B PMU06MXNEB 5P 100 23 - 51 7 5.5 8 3 5 ● 7/16-14UNC 2B PGU07QXNEB 5P 100 23 - 51 8 6.2 9 3 5 ● Centering Tools 7/16-20UNF 2B PMU07NXNEB 5P 100 23 - 51 8 6.2 9 3 5 DIN PO-4 117