United Kingdom-English (EN)-Metric
E0371/4
E0371/4
E0371/4
E0371/4
Main properties
Material ID: 5974666
ISO Code: E0371/4
AvailabilityIn stock
Availability in Distribution Centres
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Americas Distribution Center: 37
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Description

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 1/4" with 28 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550" shank and 0.1910" 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


Product Feature

Bright (uncoated)
Thread Form, Unified Fine
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 nameE0371/4
Ordering code ANSIE0371/4
EAN number7320760582329
Clamping width - millimeter (WSC)4.85 mm
Connection diameter - millimeter (DCON MS)6.48 mm
Flute count (NOF)3
Overall length - fractional inch (OAL)2.1/2
Overall length - millimeter (OAL)63.5 mm
Premachined hole diameter - imperial (PHD)N3
Premachined hole diameter - millimeter (PHD)5.5 mm
Thread diameter size (TDZ)1/4
Threading length - millimeter (THL)10 mm
Threads per inch (TPI)28
Tolerance limitH3
Usable Length - millimeter (LU)27.92 mm
ISOE0371/4
ANSIE0371/4
Brand NameDormer Pramet
Net weight - grams14.5
Gross weight - grams14.5
EDP number0582329

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