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EX317/8
EX317/8
EX317/8
EX317/8
Main properties
Material ID: 5974180
ISO Code: EX317/8
AvailabilityIn stock
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Europe Distribution Center(default): 20
Americas 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 7/8" with 14 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 18.0mm shank and 14.5mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 45° helix angle for 2.5xD blind hole threading in alloy steel

Product Feature

Steam Tempered (Steam Oxide) Surface Treatment
Thread Form, Unified Fine
Internal Inch Thread Medium Class of Fit
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 nameEX317/8
Ordering code ANSIEX317/8
EAN number7320760168523
Clamping Length - millimeter (LSC)17 mm
Clamping width - millimeter (WSC)14.5 mm
Connection diameter - millimeter (DCON MS)18 mm
Flute count (NOF)4
Overall length - millimeter (OAL)140 mm
Premachined hole diameter - millimeter (PHD)20.4 mm
Thread diameter - millimeter (TD)22.225 mm
Thread diameter size (TDZ)7/8
Threading length - millimeter (THL)25 mm
Threads per inch (TPI)14
Tolerance limitH6
ISOEX317/8
ANSIEX317/8
Brand NameDormer Pramet
Net weight - grams226.1
Gross weight - grams239
Product number (SAP)86017742
EDP number0168523

Cutting Conditions