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UNF Machine Tap Spiral Flute 45°
Material ID: 5973908

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 1" with 12 TPI and 2B class of fit, dimensions according to ISO 529 standard with 18.0mm shank and 14.0mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 45° helix angle for 2.5xD blind hole threading in general purpose applications

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Product Feature

Steam Tempered (Steam Oxide) Surface Treatment

Thread Form, Unified Fine

ISO 529 – Tap Standard

Internal Inch Thread Medium Class of Fit

Blind Hole Application

2.5×D Usable Tool Depth to Diameter Ratio

High Speed Cobalt Powder Metal Tool Material

Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)

Spiral Flute Geometry

45° Helix Angle (Flute)

Right Hand Rotation / Cutting

Product Detail
Product nameE0331
Product number (SAP)86015124
EAN number7320760570197
Ordering code ANSIE0331
Thread diameter size (TDZ)1"
Thread diameter - millimeter (TD)25.4 mm
Threads per inch (TPI)12
Overall length - millimeter (OAL)130 mm
Overall length - inch (OAL)5.1181 inch
Threading length - millimeter (THL)35 mm
Threading length - inch (THL)1.378 inch
Connection diameter - inch (DCON MS)0.7087 inch
Connection diameter - millimeter (DCON MS)18 mm
Flute count (NOF)4
Clamping width - inch (WSC)0.5512 inch
Clamping width - millimeter (WSC)14 mm
Clamping Length - inch (LCS)0.7087 inch
Clamping Length - millimeter (LSC)18 mm
Premachined hole diameter - inch (PHD)0.9154 inch
Premachined hole diameter - millimeter (PHD)23.25 mm
Gross weight - grams260
Cutting Conditions