Kennametal - 1/2-20 UNF 3B 4 Flute Bright Finish High Speed Steel Straight Flute Standard Hand Tap - Bottoming, Right Hand Thread, 3.38" OAL, 1.656" Thread Length, H3 Limit, Oversize
Item #: 74974213
Brand: Kennametal
Model #: 1542880
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.
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 | Standard Hand Tap |
| Thread Size (Inch) | 1/2-20 |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 4 |
| Chamfer | Bottoming |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNF |
| Overall Length (Decimal Inch) | 3.38000 |
| Oversize | No |
| Series/List | 5305/5303 |
| Thread Length (Decimal Inch) | 1.6560 |
| Shank Diameter (Decimal Inch) | 0.3670 |
| Material Application | Cast Iron; Non-Ferrous Metals |
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