Spiral Fluted Tap Series Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk Spiral Fluted Taps (for blind hole) AUXSL X Series Spiral Fluted Taps, Coated, Through Hole Use(with LH spiral flutes) Spiral Fluted Taps (for through hole) Specification ■Applying the blanks of high toughness and high accuracy, E Coating AUXSL, spiral fluted tap, coated, for through hole use (with LH spiral flutes), derives the maximum performance from high facility machining centers and high precision toolings. Recommended Tapping Speeds depending on Materials Optimum coating for the tapping condition. Spiral Pointed Taps (for through hole) Free cutting and Carbon steel and Medium alloy steel and High alloy steel structural steel low alloy steel heat treated steel IS P IS P IS P IS P 10〜25 10〜25 10〜25 10〜25 (m/min) (m/min) (m/min) (m/min) Hand Taps Ferritic and austenitic Aluminum alloy Aluminum alloy stainless steel Si Si IS M M IS IS 10〜15 20〜30 20〜30 (m/min) (m/min) (m/min) For icon explanation, refer to P.50 Cemented Carbide Taps Roll Taps TYPE:1 YAMAWA TYPE:2 YAMAWA Special Thread Taps Simple Inspection Tools Segment:1S Pipe 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 Metric Threads M6 × 1 ISO2X LX6.0MBNEV 5P 80 15 30 45 6 4.9 8 3 1 ● M8 × 1.25 ISO2X LX8.0NBNEV 5P 90 19 35 48 8 6.2 9 3 1 ● Thread Mills M8 × 1 ISO2X LX8.0MBNEV 5P 90 15 35 48 8 6.2 9 3 2 M10 × 1.5 ISO2X LX010OBNEV 5P 100 23 39 53 10 8 11 3 1 ● M10 × 1.25 ISO2X LX010NBNEV 5P 100 19 39 53 10 8 11 3 2 M10 × 1 ISO2X LX010MBNEV 5P 100 15 39 53 10 8 11 3 2 M12 × 1.75 ISO2X LX012PBNEV 5P 110 26 45 56 12 9 12 3 1 ● Dies M12 × 1.5 ISO2X LX012OBNEV 5P 110 23 45 56 12 9 12 3 2 M12 × 1.25 ISO2X LX012NBNEV 5P 110 19 45 56 12 9 12 3 2 Center Drills Centering Tools DIN SL-7 108