Guhring - Letter J, 130° Point, Parabolic Flute, Cobalt Taper Length Drill Bit - Nitrided Land Finish, 102mm Flute Length, 156mm OAL, Series 336
Item #: 85770105
Brand: Guhring
Model #: 9003360070300
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.
Nitrided land increases durability on the raised spiral areas at the end of the drill bit. It is commonly used on aluminum with a high silicon content, brass, cast iron, plastics and mild steels
Parabolic flutes are constructed with a wider flute shape for increased chip flow.
| Product Specifications | |
|---|---|
| Drill Bit Size (Letter) | J |
| Drill Bit Size (Decimal Inch) | 0.2770 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Nitrided Land |
| Flute Type | Parabolic |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Through Coolant | No |
| Point Type | Standard |
| Flute Length (Decimal Inch) | 4.0158 |
| Flute Length (mm) | 102.00 |
| Overall Length (mm) | 156.00 |
| Overall Length (Decimal Inch) | 6.1417 |
| Shank Diameter (mm) | 7.03 |
| Shank Diameter (Decimal Inch) | 0.2768 |
| Flute Length x Diameter Ratio | 10xD |
| Maximum Drilling Depth (mm) | 102.00 |
| Maximum Drilling Depth (Decimal Inch) | 4.0158 |
| Shank Length (mm) | 54 |
| Shank Length (Decimal Inch) | 2.1260 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.022 |
| Web Thinning | Web-Thinned |
| Specification Number | DIN 340 |
| Material Grade | M35 |
| Series/List | 336 |
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