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DORMER - 1/2-20 UNF 4 Flute 2B/3B Semi-Bottoming Spiral Flute Tap - Makers Industrial Supply

DORMER - 1/2-20 UNF 4 Flute 2B/3B Semi-Bottoming Spiral Flute Tap


Item #: 16948770
Brand: DORMER
Model #: 7350364

Features and Benefits

Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Powdered metal cobalt high speed steel provides the highest performance of the powdered metals. It is used at extremely high temperatures and cutting speeds on highly abrasive materials.
Product Specifications
Thread Size (Inch) 1/2-20
Chamfer Semi-Bottoming
Class of Fit 2B/3B
Thread Limit H5
Number of Flutes 4
Material PM Cobalt
Finish/Coating SUPER-B
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant Through Coolant
Overall Length (Decimal Inch) 3.9370
Thread Standard UNF
Thread Length (Decimal Inch) 11.5000
Series/List E912
Shank Diameter (Decimal Inch) 0.3670
Shank Length (Decimal Inch) 0.4400
Material Application Stainless Steel
$96.19

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