
OSG - 1/4-28 UNF 3B 2 Flute Oxide Finish High Speed Steel Straight Flute Standard Hand Tap - Bottoming, Right Hand Thread, 2-1/2" OAL, 1" Thread Length, H3 Limit, Oversize
Item #: 68556976
Brand: OSG
Model #: 1195501
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.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Product Specifications | |
---|---|
Tap Type | Standard Hand Tap |
Thread Size (Inch) | 1/4-28 |
Class of Fit | 3B |
Thread Limit | H3 |
Number of Flutes | 2 |
Chamfer | Bottoming |
Material | High Speed Steel |
Finish/Coating | Oxide |
Thread Direction | Right Hand |
Through Coolant | NonThrough Coolant |
Thread Standard | UNF |
Overall Length (Inch) | 2-1/2 |
Oversize | No |
Series/List | 104 |
Thread Length (Inch) | 1 |
Shank Diameter (Decimal Inch) | 0.2550 |
Square Size (Decimal Inch) | 0.1910 |
Material Application | Aluminum; Cast Aluminum; Cast Iron; High Carbon Steel; Low Carbon Steel; Medium Carbon Steel |
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