OSG - 7/16-20 UNF, H3, 4 Flute, Bottoming Chamfer, Bright Finish, High Speed Steel Hand STI Tap - 3-5/32" OAL, 1-7/16" Thread Length, 0.242" Square Size, Series 126
Item #: 65035354
Brand: OSG
Model #: 1813500
Exact Tooling IR#: 04
Features and Benefits
 Bottoming chamfers are used for threading blind holes to the bottom. They have 1 to 2 threads. 
 Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic. 
 High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials. 
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 7/16-20 | 
| Thread Limit | H3 | 
| Number of Flutes | 4 | 
| Chamfer | Bottoming | 
| Finish/Coating | Bright | 
| Overall Length (Inch) | 3-5/32 | 
| Thread Standard | UNF | 
| Thread Length (Inch) | 1-7/16 | 
| Shank Diameter (Decimal Inch) | 0.3230 | 
| Square Size (Decimal Inch) | 0.2420 | 
| Material | High Speed Steel | 
| Material Application | Aluminum; Carbon Steel; Cast Iron; Hardened Steel | 
| Series/List | 126 | 
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