Heli-Coil - 5/16-18 UNC, H3, 3 Flutes, Plug Chamfer, Bright Finish, High Speed Steel Spiral Point STI Tap - 2-15/16" OAL, 0.381" Shank Diam, 1-1/4" Thread Length, 7/16" Square Length, 0.286" Square Size, 3B Class of Fit
Item #: 64833262
Brand: Heli-Coil
Model #: 5CSB
Exact Tooling IR#: 04
Features and Benefits
Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 5/16-18 |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Chamfer | Plug |
| Finish/Coating | Bright |
| Overall Length (Inch) | 2-15/16 |
| Thread Standard | UNC |
| Material | High Speed Steel |
| Thread Length (Inch) | 1-1/4 |
| Shank Diameter (Decimal Inch) | 0.3810 |
| Square Length (Inch) | 7/16 |
| Square Size (Decimal Inch) | 0.2860 |
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