USA-English (EN)-Imperial
E0381/2
E0381/2
E0381/2
E0381/2
Main properties
Material ID: 5974712
Product Code: E0381/2
Availability In stock
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Europe Distribution Center: 0
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Description

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 1/2" with 20 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.3670" shank and 0.2750" 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


Product Feature

Steam Tempered (Steam Oxide) Surface Treatment
Thread Form, Unified Fine
ANSI – Tap Standards
Thread tolerance class 3B
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)

Product Detail

DescriptionValue
Product nameE0381/2
Ordering code ANSIE0381/2
EAN number7320760582480
Clamping width - inch (WSC)0.275 inch
Connection diameter - inch (DCON MS)0.367 inch
Flute count (NOF)3
Overall length - fractional inch (OAL)3.3/8
Overall length - inch (OAL)3.375 inch
Premachined hole diameter - imperial (PHD)29/64
Premachined hole diameter - inch (PHD)0.4528 inch
Thread diameter size (TDZ)1/2
Threading length - inch (THL)0.689 inch
Threads per inch (TPI)20
Tolerance limitH3
ISOE0381/2
ANSIE0381/2
Brand NameDormer Pramet
Net weight - grams48.1
Gross weight - grams48.1
EDP number0582480

Cutting Conditions