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EP311/4
EP311/4
EP311/4
EP311/4
Main properties
Material ID: 5973884
ISO Code: EP311/4
AvailabilityIn stock
Availability in Distribution Centres
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Europe Distribution Center: 58
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Description

Spiral point tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 1/4" with 28 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 steam tempered surface finish for 2.5xD through hole threading in general purpose applications


Product Feature

Steam Tempered (Steam Oxide) Surface Treatment
Thread Form, Unified Fine
DIN 2184-1 – Tap Standard
Internal Inch Thread Medium Class of Fit
Through 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)

Product Detail

DescriptionValue
Product nameEP311/4
Ordering code ANSIEP311/4
EAN number7320760138496
Clamping Length - inch (LCS)0.315 inch
Clamping width - inch (WSC)0.2165 inch
Connection diameter - inch (DCON MS)0.2756 inch
Flute count (NOF)3
Overall length - inch (OAL)3.1496 inch
Premachined hole diameter - inch (PHD)0.2165 inch
Thread diameter - inch (TD)0.25 inch
Thread diameter size (TDZ)1/4
Threading length - inch (THL)0.5906 inch
Threads per inch (TPI)28
Tolerance limitH4
Usable Length - inch (LU)1.1811 inch
ISOEP311/4
ANSIEP311/4
Brand NameDormer Pramet
Net weight - grams20.7
Gross weight - grams24.5
Product number (SAP)86017512
EDP number0138496

Cutting Conditions