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Dormer E0271/4 0581544 UNC Machine Tap Spiral Flute 45° 1/4 inch x 20
MODEL E0271/4
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$18.21 Each
Prices are subject to change
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Brand Minimum Order Quantity: 4
Typically Ships in: 1 day
Returnable: Yes
California Prop 65 warningBasic Standard
ANSI
Coolant supply property (CSP)
N7
EDP number
581544
Flute count (NOF)
3
Material
HSS-E-PM
Material application
N - Non-ferrous metals, P - Steel and cast steel
MID number
5974095
Ordering code ANSI
E0271/4
Overall length - millimeter (OAL)
0.255
Premachined hole diameter - millimeter (PHD)
45
Thread diameter - millimeter (TD)
5.1
Usable length (ULDR)
2.5
Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 1/4" with 20 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.
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