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United Kingdom-English (EN)-Metric
EX317/8
EX317/8
EX317/8
EX317/8
Main properties
Material ID: 5974180
ISO Code: EX317/8
AvailabilityIn stock
Availability in Distribution Centres
Europe Distribution Center(default): 17
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
DIN 2184-1 – Tap Standard
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