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OSG - #4-40 UNC 2 Flute 2B Bottoming Spiral Flute Tap - High Speed Steel, Bright Finish, 1-7/8" OAL, Right Hand Flute, Right Hand Thread - Caliber Tooling

OSG - #4-40 UNC 2 Flute 2B Bottoming Spiral Flute Tap - High Speed Steel, Bright Finish, 1-7/8" OAL, Right Hand Flute, Right Hand Thread


Item #: 04621470
Brand: OSG
Model #: 2985000
Exact Tooling IR#: 04

Features and Benefits

Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) #4-40
Chamfer Bottoming
Class of Fit 2B
Number of Flutes 2
Material High Speed Steel
Finish/Coating Bright
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 1-7/8
Helix Angle 50
Thread Standard UNC
Oversize No
Thread Length (Inch) 9/16
Flute Type Fast Spiral
Shank Diameter (Decimal Inch) 0.1410
Material Application Aluminum; Carbon Steel
$15.62

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