DORMER - 49mm, 4MT 118° Point High Speed Steel Taper Shank Drill Bit - Oxide Finish, 220mm Flute Length, 369mm OAL, Spiral Flute, Series A130
Item #: 81000325
Brand: DORMER
Model #: 0024997
Exact Tooling IR#: 04
Features and Benefits
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (mm) | 49.00 |
| Drill Bit Size (Decimal Inch) | 1.9291 |
| Drill Point Angle | 118 |
| Shank Taper Designation | 4MT |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Oxide |
| Flute Type | Spiral |
| Overall Length (mm) | 369.00 |
| Flute Length (mm) | 220.00 |
| Flute Length (Decimal Inch) | 8.6680 |
| Spiral Type | Regular Spiral |
| Cutting Direction | Right Hand |
| Web Thinning | Web-Thinned |
| Specification Number | DIN 345 |
| Drill Bit Diameter Tolerance (mm) | 0.000 to -0.039 |
| Material Grade | M2 |
| Specification Designation | DIN |
| Series/List | A130 |
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