OSG - #4-40 UNC 2B 3 Flute Bright Finish Cobalt Straight Flute Machine Tap - Plug, Right Hand Thread, 1-7/8" OAL, 9/16" Thread Length, H2 Limit, Oversize
Item #: 70838636
Brand: OSG
Model #: 1745000
Exact Tooling IR#: 04
Features and Benefits
Plug chamfers are the most commonly used chamfer and designed for efficiently threading through and blind holes. They have 3 to 5 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Tap Type | Machine Tap |
| Thread Size (Inch) | #4-40 |
| Class of Fit | 2B |
| Thread Limit | H2 |
| Number of Flutes | 3 |
| Chamfer | Plug |
| Material | Cobalt |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNC |
| Overall Length (Inch) | 1-7/8 |
| Oversize | No |
| Series/List | 305 |
| Thread Length (Inch) | 9/16 |
| Shank Diameter (Decimal Inch) | 0.1410 |
| Square Size (Decimal Inch) | 0.1100 |
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