![Hertel - 39/64" 135° Spiral Flute Cobalt Screw Machine Drill Bit - Oxide/Gold Finish, 2-3/4" Flute Length, 4-1/4" OAL, Split Point - All Tool & Supply](http://alltoolandsupply.com/cdn/shop/products/4348218-21_626262bf-852d-4eba-a4eb-8f03cbbf1482_1024x1024.jpg?v=1611620970)
Hertel - 39/64" 135° Spiral Flute Cobalt Screw Machine Drill Bit - Oxide/Gold Finish, 2-3/4" Flute Length, 4-1/4" OAL, Split Point
Item #: 43481837
Brand: Hertel
Exact Tooling IR#: 04
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide/Gold provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used in several applications on low carbons, stainless steel and iron based ferrous metals.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
Product Specifications | |
---|---|
Drill Bit Size (Decimal Inch) | 0.6094 |
Drill Bit Size (Inch) | 39/64 |
Drill Point Angle | 135 |
Drill Bit Material | Cobalt |
Drill Bit Finish/Coating | Oxide/Gold |
Flute Type | Spiral |
Flute Length (Inch) | 2-3/4 |
Flute Length (mm) | 69.85 |
Flute Length (Decimal Inch) | 2.7500 |
Overall Length (Inch) | 4-1/4 |
Overall Length (mm) | 107.95 |
Overall Length (Decimal Inch) | 4.2500 |
Flute Length x Diameter Ratio | 3xD |
Point Type | Split Point |
Spiral Type | Regular Spiral |
Material Grade | M35 |
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