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UNC Machine Tap Spiral Flute 45°
Material ID: 5973684

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 1/4" with 20 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 7.0mm shank and 5.5mm square drive, powder metallurgical HSS-E with bright finish and 45° helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium

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Product Feature

Bright (uncoated)

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
Product nameEX201/4
Product number (SAP)86017694
EAN number7320760150320
Ordering code ANSIEX201/4
Thread diameter size (TDZ)1/4
Thread diameter - millimeter (TD)6.35 mm
Threads per inch (TPI)20
Overall length - millimeter (OAL)80 mm
Overall length - inch (OAL)3.1496 inch
Threading length - millimeter (THL)10 mm
Threading length - inch (THL)0.3937 inch
Flute count (NOF)3
Connection diameter - millimeter (DCON MS)7 mm
Connection diameter - inch (DCON MS)0.2756 inch
Clamping width - millimeter (WSC)5.5 mm
Clamping width - inch (WSC)0.2165 inch
Clamping Length - millimeter (LSC)8 mm
Clamping Length - inch (LCS)0.315 inch
Premachined hole diameter - millimeter (PHD)5.1 mm
Premachined hole diameter - inch (PHD)0.2008 inch
Usable Length - inch (LU)1.1811 inch
Usable Length - millimeter (LU)30 mm
Gross weight - grams20
Cutting Conditions