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UNC Machine Tap Spiral Flute 45°
Material ID: 5974062

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 7/8" with 9 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 18.0mm shank and 14.5mm 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 Coarse

DIN 2184-1 – 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
EAN number7320760159590
Product number (SAP)86017720
Ordering code ANSIEX217/8
Threading length - millimeter (THL)25 mm
Gross weight - grams235
Thread diameter size (TDZ)7/8
Threads per inch (TPI)9
Connection diameter - millimeter (DCON MS)18 mm
Overall length - millimeter (OAL)140 mm
Thread diameter - millimeter (TD)22.225 mm
Flute count (NOF)4
Clamping width - millimeter (WSC)14.5 mm
Premachined hole diameter - millimeter (PHD)19.5 mm
Clamping Length - millimeter (LSC)17 mm
Cutting Conditions