31. Cross chart of thread cutting tool standard Tap and Die names JIS TAS ISO ANSI BS DIN Production data General specification Measuring method Technical requirement Thread limit (Metric) Thread limit (Pipe) Hand taps (Metric coarse) Hand taps (Metric fine) Hand taps (Unified coarse) Hand taps (Unified fine) Hand taps (Parallel pipe thread) Hand taps (Taper pipe thread) Hand taps (American parallel pipe thread) Hand taps (American taper pipe thread) Hand taps (American dryseal parallel pipe thread) Hand taps (American dryseal taper pipe thread) Nut taps (Metric coarse) Nut taps (Metric fine) Nut taps (Unified coarse) Nut taps (Unified fine) Machine taps (Metric coarse) Machine taps (Metric fine) Bent shank taps (Metric coarse) Bent shank taps (Metric fine) Bent shank taps (Unified coarse) Bent shank taps (Unified fine) Long shank machine taps (Metric thread) Long shank machine taps (Inch thread) Spiral pointed taps Spiral fluted taps Shell taps (Metric thread) Pulley taps Thread Forming taps Blanks for carbide taps Thread cutting round dies (Metric coarse, Adjustable) Thread cutting round dies (Metric fine, Adjustable) Thread cutting round dies (Metric, Solid) Thread cutting round dies (Unified coarse adjustable) Thread cutting round dies (Unified fine adjustable) Thread cutting round dies (Unified thread) Thread cutting round dies (Parallel pipe thread) Thread cutting round dies (Taper pipe thread) Hexagon dies Symbols : Organization names ISO : International Organization for Standardization ANSI : American National Standards Institute JIS : Japanese Industrial Standards Committee BS : British Standards Institution, UK TAS : Standards of The Japan Solid Cutting Tools’ Association DIN : Deutsches Institiut fur Normung Information Technical Technical-88 859