Walter-Prototyp - Spiral Flute STI Taps Thread Size (Inch): 1/4-20 Class of Fit: 3B
Item #: 95977476
Brand: Walter-Prototyp
Model #: 7557131
Exact Tooling IR#: 04
Features and Benefits
Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
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
Spiral Flute STI Taps; Thread Size (Inch): 1/4-20 ; Class of Fit: 3B ; Thread Limit: H9 ; Number of Flutes: 3 ; Chamfer: Semi-Bottoming ; Finish/Coating: Oxide
| Thread Size (Inch) | 1/4-20 |
| Class of Fit | 3B |
| Thread Limit | H9 |
| Number of Flutes | 3 |
| Chamfer | Semi-Bottoming |
| Finish/Coating | Oxide |
| Overall Length (mm) | 90.00 |
| Thread Standard | UNF |
| Material | High Speed Steel |
| Flute Direction | Right Hand |
| Thread Length (mm) | 12.00 |
| Series/List | TC117 |
| Shank Diameter (mm) | 8.08 |
2% Off All Online Orders
Use Code: 2%OFF
Best Price Guarantee - Email Us A Better Published Price and We'll Beat It