Outside Thickness diameter D T D LH Solid Round Dies for Left Hand Threads Size Code Class D T Clearance Recess Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) holes M22 × 1 GYM022MDNEBC Ⅱ 50 16 6 1 △ M24 × 3 GYM024SDNEBC Ⅱ 50 16 6 1 △ M24 × 2 GYM024QDNEBC Ⅱ 50 16 6 1 △ M24 × 1.5 GYM024ODNEBC Ⅱ 50 16 6 1 △ (for through hole) Spiral Fluted Taps M24 × 1 GYM024MDNEBC Ⅱ 50 16 6 1 △ M25 × 1.5 GYM025ODNEBC Ⅱ 50 16 6 1 △ M26 × 1.5 GYR026ODNEBC Ⅱ 63 20 6 2 △ M27 × 3 GYR027SDNEBC Ⅱ 63 20 6 2 △ (for through hole) Spiral Pointed Taps M27 × 1.5 GYR027ODNEBC Ⅱ 63 20 6 2 △ M28 × 1.5 GYR028ODNEBC Ⅱ 63 20 6 2 △ M30 × 3.5 GYR030TDNEBC Ⅱ 63 20 6 2 △ M30 × 3 GYR030SDNEBC Ⅱ 63 20 6 2 △ Hand Taps M30 × 2 GYR030QDNEBC Ⅱ 63 20 6 2 △ M30 × 1.5 GYR030ODNEBC Ⅱ 63 20 6 2 △ M36 × 4 GYU036UDNEBC Ⅱ 75 25 6 2 △ M48 × 5 GYU048WDNEBC Ⅱ 75 25 8 2 △ For Unified Threads Carbide Taps Cemented Size Code Class D T Clearance Recess Type Stock (mm) (mm) holes 1/4-20UNC GYGU04NDNEBC Ⅱ 25 9 4 1 △ 1/4-28UNF GYGU04KDNEBC Ⅱ 25 9 4 1 △ Roll Taps 5/16-18UNC GYGU05ODNEBC Ⅱ 25 9 4 1 △ 5/16-24UNF GYGU05MDNEBC Ⅱ 25 9 4 1 △ 3/8-16UNC GYGU06PDNEBC Ⅱ 25 9 5 1 △ GYGU06MDNEBC 25 9 5 3/8-24UNF Ⅱ 1 △ Simple Inspection Tools Special Thread Taps GYJU06MDNEBC 38 13 4 7/16-20UNF GYJU07NDNEBC Ⅱ 38 13 4 1 △ 1/2-13UNC GYJU08RDNEBC Ⅱ 38 13 4 1 △ 1/2-20UNF GYJU08NDNEBC Ⅱ 38 13 4 1 △ 9/16-12UNC GYJU09SDNEBC Ⅱ 38 13 5 1 △ Pipe Taps 9/16-18UNF GYJU09ODNEBC Ⅱ 38 13 5 1 △ 5/8-11UNC GYMU10UDNEBC Ⅱ 50 16 4 1 △ 5/8-18UNF GYMU10ODNEBC Ⅱ 50 16 4 1 △ 3/4-10UNC GYMU12VDNEBC Ⅱ 50 16 5 1 △ Thread Mills 3/4-16UNF GYMU12PDNEBC Ⅱ 50 16 5 1 △ 7/8-9UNC GYMU14WDNEBC Ⅱ 50 16 6 1 △ 7/8-14UNF GYMU14QDNEBC Ⅱ 50 16 6 1 △ For Whitworth Threads Dies Size Code Class D T Clearance Recess Type Stock (mm) (mm) holes 3/16W24 GYEW03MDNEBC Ⅱ 20 7 4 1 △ 5/16W18 GYGW05ODNEBC Ⅱ 25 9 4 1 △ GYGW06PDNEBC 25 9 5 Center Drills 3/8W16 Ⅱ 1 △ GYJW06PDNEBC 38 13 4 7/16W14 GYJW07QDNEBC Ⅱ 38 13 4 1 △ 1/2W12 GYJW08SDNEBC Ⅱ 38 13 4 1 △ 5/8W11 GYJW10UDNEBC Ⅱ 38 13 5 1 △ Centering Tools 3/4W10 GYMW12VDNEBC Ⅱ 50 16 5 1 △ 7/8W9 GYMW14WDNEBC Ⅱ 50 16 6 1 △ 1 W8 GYMW16XDNEBC Ⅱ 50 16 6 1 △ JIS ◎=Standard ○=Semi standard △=Made to order Di-12 For improvement, spec may change without advance notice. 623