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5-787-0250 - Spiral Flute 1/4 x 20 H3 HSS-E yellow

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Spiral Flute 1/4 x 20 H3 HSS-E yellow
Round Tooling/Taps/Yellow Band Performance Taps/Spiral Flute Performance Taps, Fractional & Number Sizes
Spiral Flute 1/4 x 20 H3 HSS-E yellow
Item #: 5-787-0250
Spiral Flute 1/4 x 20 3-Flute UNC GH3 limited HSS-E (2% Vanadium + 5% Cobalt) semi-bottoming chamfer black oxide yellow band AN

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Item Number: 5-787-0250

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Yellow+Band+Tap+Applications Yellow Band Tap Applications
Item Type Modified Spiral Flute Tap
Material HSS-E (2%V + 5%Co)
Chamfer Semi-Bottoming
Coating Black oxide
Band Yellow
Limit GH3
Diameter 1/4
TPI 20
Number of Flutes 3
Overall Length (L) in 2-1/2
Thread Length (L1) in .433
Length to Neck (L2) in 1.000
Square Length (L3) in 5/16
Shank Diameter (D) in .255
Neck Diameter (d1) in .180
Square Size in .191
Center Type Center Hole
Number of Chamfer Threads 2-3
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