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Guhring - 1/2-13 UNC, 4 Flute, 40° Helix, Modified Bottoming Chamfer, TiN Finish, Cobalt Spiral Flute STI Tap - Right Hand Flute, 3.81" OAL, 0.48" Shank Diam, 3B Class of Fit, Series 3988 - Exact Industrial Supply

Guhring - 1/2-13 UNC, 4 Flute, 40° Helix, Modified Bottoming Chamfer, TiN Finish, Cobalt Spiral Flute STI Tap - Right Hand Flute, 3.81" OAL, 0.48" Shank Diam, 3B Class of Fit, Series 3988


Item #: 07042849
Brand: Guhring
Model #: 9039880127000
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Product Specifications
Thread Size (Inch) 1/2-13
Class of Fit 3B
Number of Flutes 4
Chamfer Modified Bottoming
Finish/Coating TiN
Overall Length (Decimal Inch) 3.8100
Helix Angle 40
Thread Standard UNC
Material Cobalt
Flute Direction Right Hand
Series/List 3988
Shank Diameter (Decimal Inch) 0.4800
Material Application Alloyed Steel; Unalloyed Steel
$111.01

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