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E6541/4
E6541/4
E6541/4
E6541/4
Main properties
Material ID: 5978407
Product Code: E6541/4
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Europe Distribution Center: 0
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Description

Combination drill-tap with a 30° spiral flute, for Unified National Fine thread UNF 1/4" with 28 TPI and Medium class of fit, dimensions according to Dormer Pramet standard with 6.3mm shank and 5.0mm square drive, HSS with steam tempered surface finish and 30° helix angle for 1.5xD through hole threading in free machining steel


Product Feature

Steam Tempered (Steam Oxide) Surface Treatment
Thread Form, Unified Fine
Dormer Pramet Work Norm
Medium Inch Thread Class of Fit  
Through Hole Application
1.5×D Usable Tool Depth to Diameter Ratio
High Speed Steel Tool Material
Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)

Product Detail

DescriptionValue
Product nameE6541/4
Ordering code ANSIE6541/4
EAN number7320760339008
Clamping width - inch (WSC)0.1969 inch
Connection diameter - inch (DCON MS)0.248 inch
Drill Part Length - inch (LDP)0.5118 inch
Flute count (NOF)2
Overall length - inch (OAL)3.2677 inch
Thread diameter - inch (TD)0.2165 inch
Thread diameter size (TDZ)1/4
Threading length - inch (THL)0.748 inch
Threads per inch (TPI)28
ISOE6541/4
ANSIE6541/4
Brand NameDormer Pramet
Net weight - grams20.3
Gross weight - grams21
Product number (SAP)86017252
EDP number0339008

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