United Kingdom-English (EN)-Metric
E398UNC1/4
E398UNC1/4
E398UNC1/4
E398UNC1/4
Main properties
Material ID: 8464222
ISO Code: E398UNC1/4
AvailabilityReplenish-ment
Availability in Distribution Centres
Europe Distribution Center(default): 0
Americas Distribution Center: 0
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Description

Thread size UNC 0.25 inch - 20 TPI, with thread tolerance class 93707, and maximum threading depth 0.625 inches.

Product Feature

Titanium Carbonitride Coating
Thread Form, Unified Coarse
Internal Inch Thread Medium Class of Fit (with increased pitch diameter)
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 nameE398UNC1/4
Ordering code ANSIE398UNC1/4
EAN number3603607095638
Clamping Length - millimeter (LSC)8 mm
Clamping width - millimeter (WSC)5.5 mm
Connection diameter - millimeter (DCON MS)7 mm
Flute count (NOF)3
Overall length - millimeter (OAL)80 mm
Premachined hole diameter - millimeter (PHD)5.1 mm
Thread diameter - millimeter (TD)6.35 mm
Thread diameter size (TDZ)1/4
Threading length - millimeter (THL)10 mm
Threads per inch (TPI)20
Usable Length - millimeter (LU)30 mm
ISOE398UNC1/4
ANSIE398UNC1/4
Brand NameDormer Pramet
Net weight - grams20
Gross weight - grams23
Product number (SAP)86046810
EDP number8464222

Cutting Conditions