Informational Icons Guide Tapping Icons HSS-E: High- Reaming: Reaming:Through HoleBlind Hole Threading: Tapping:Through HoleBlind HoleSpeed Steel withCobalt Alloy forMaterials with Higher Hardness Chamfer Form B Chamfer Form B Chamfer Form C 3–5 Chamfer Form C Tapping Helix: (3.5–5.5) (2–3) (1.5–2) (3–5) Angle: 0° Tapping Helix: Tapping Helix: Multipurpose Taps: Tension/ DIN Number Angle: 42° Angle: 45° Spiral Point Compression 371 DIN Number DIN Number DIN Number Flood Coolant: Class of Fit: 374 376 5156 Tapping 2B American Tapered Class of Fit:6H Class of Fit:6G Unified Fine Thread Unified CourseThread Pipe Thread forThreads with Dryseal Material Manufacturer’sSpecs:NPTF Manufacturer’sSpecs:G ISO MetricCoarse Thread ISO MetricFine Thread Turning Icons Through Coolant:Grooving Turning Profiling Facing Face Grooving Chamfering Back Boring Grooving Cut-Off I.D. Turning I.D. Chamfering I.D. Grooving O.D. DeepGrooving E104 widia.com