Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk LS-N-RS Long Shank Thread Forming Taps for Non-Ferrous Materials 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) NRSM7010OB10 100 M10 × 1.5 G7 2P 23 - 50 7 5.5 8 6 2 △ NRSM7010OB15 150 Number of oil grooves : 1 (for through hole) Spiral Fluted Taps For M6 and smaller, external centers of 2 thread chamfer taps are removed. (for through hole) Spiral Pointed Taps Hand Taps Carbide Taps Cemented Roll Taps Simple Inspection Tools Special Thread Taps Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order RO-14 For improvement, spec may change without advance notice. 509