Guhring - 1/2-13 UNC 2 Flute 2B Modified Bottoming Spiral Flute Tap - Cobalt, MolyGlide Finish, 3.381" OAL, Right Hand Flute, Right Hand Thread, H5/H6, Series 3970
Item #: 58541269
Brand: Guhring
Model #: 9039700127000
Exact Tooling IR#: 04
Features and Benefits
Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
MolyGlide is a non-stick, low friction coating that has good sliding properties. It is commonly used for dry applications or where lubrication is minimal. MolyGlide is a proprietary coating exclusive to Guhring, Inc.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1/2-13 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Thread Limit | H5/H6 |
| Number of Flutes | 2 |
| Material | Cobalt |
| Finish/Coating | MolyGlide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 3.3810 |
| Helix Angle | 45 |
| Thread Standard | UNC |
| Flute Type | Fast Spiral |
| Series/List | 3970 |
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