Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk HP+RZ/HP-RZ High Performance Thread Forming Taps, Coated Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) G5 HRZP52.6FB M2.6 × 0.45 2P 46 8.1 14 29 3 2.5 5 4 4 ○ G6 HRZP62.6FB HRZP53.0GP 4P G5 ◎ (for through hole) Spiral Fluted Taps HRZP53.0GB 2P M3 × 0.5 46 9 14 26 4 3.2 6 4 4 HRZP63.0GP 4P G6 ○ HRZP63.0GB 2P HRZP53.5HP 4P G5 HRZP53.5HB 2P (for through hole) Spiral Pointed Taps M3.5 × 0.6 52 11 16 29 5 4 7 4 4 △ HRZP63.5HP 4P G6 HRZP63.5HB 2P HRZP64.0IP 4P G6 HRZP64.0IB 2P M4 × 0.7 52 11 17 29 5 4 7 4 4 ○ Hand Taps HRZP74.0IP 4P G7 HRZP74.0IB 2P HRZP65.0KP 4P G6 HRZP65.0KB 2P M5 × 0.8 60 13 22 33 5.5 4.5 7 4 4 ○ Carbide Taps Cemented HRZP75.0KP 4P G7 HRZP75.0KB 2P HRZP66.0MP 4P G6 HRZP66.0MB 2P M6 × 1 62 15 26 33 6 4.5 7 4 4 ○ HRZP76.0MP 4P Roll Taps G7 HRZP76.0MB 2P HRZM78.0NP 4P G7 HRZM78.0NB 2P M8 × 1.25 70 19 - 36 6.2 5 8 6 5 ○ HRZM88.0NP 4P G8 Simple Inspection Tools Special Thread Taps HRZM88.0NB 2P HRZM7010OP 4P G7 ○ HRZM7010OB 2P M10 × 1.5 75 23 - 38 7 5.5 8 8 5 HRZM8010OP 4P G8 △ Pipe Taps HRZM8010OB 2P HRZM7010NP 4P G7 ○ HRZM7010NB 2P M10 × 1.25 75 23 - 38 7 5.5 8 8 5 HRZM8010NP 4P G8 △ HRZM8010NB 2P Thread Mills HRZM8012PP 4P G8 HRZM8012PB 2P M12 × 1.75 82 26 - 42 8.5 6.5 9 8 5 △ HRZM9012PP 4P G9 HRZM9012PB 2P Dies HRZM8012OP 4P G8 ○ HRZM8012OB 2P M12 × 1.5 82 26 - 42 8.5 6.5 9 8 5 HRZM9012OP 4P G9 △ HRZM9012OB 2P HRZM8012NP 4P Center Drills G8 HRZM8012NB 2P M12 × 1.25 82 26 - 42 8.5 6.5 9 8 5 △ HRZM9012NP 4P G9 HRZM9012NB 2P HRZM9014OP 4P Centering Tools M14 × 1.5 G9 88 26 - 45 10.5 8 11 8 5 △ HRZM9014OB 2P HRZM9016OP 4P M16 × 1.5 G9 95 26 - 48 12.5 10 13 8 5 △ HRZM9016OB 2P JIS ◎=Standard ○=Semi standard △=Made to order RO-20 For improvement, spec may change without advance notice. 515