United Kingdom-English (EN)-mm
E2251/4
E2251/4
E2251/4
E2251/4
Main properties
Material ID: 5976082
Product Code: E2251/4
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Americas Distribution Center: 0
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Description

Straight flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 1/4 inch with 20 TPI and 2B class of fit, dimensions according to DIN 371 standard with 7.0 mm shank and 5.5 mm square drive, powder metallurgical HSS-E with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel


Product Feature

Bright (uncoated)
Thread Form, Unified Coarse
DIN 371 – Thread Form Standard
Internal Inch Thread Medium Class of Fit
Through or Blind Hole Application
1.5×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 nameE2251/4
Ordering code ANSIE2251/4
EAN number7320760086155
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)16 mm
Threads per inch (TPI)20
Usable Length - millimeter (LU)30 mm
ISOE2251/4
ANSIE2251/4
Brand NameDormer Pramet
Net weight - grams17.8
Gross weight - grams24.1
Product number (SAP)86015680
EDP number0086155

Cutting Conditions