Precision Twist Drill - 1-9/64", 4MT 118° Point High Speed Steel Taper Shank Drill Bit - Oxide Finish, 7-1/4" Flute Length, 12-7/8" OAL, Spiral Flute, Series 209
Item #: 78529088
Brand: Precision Twist Drill
Model #: 020109
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 (Inch) | 1-9/64 |
| Drill Bit Size (Decimal Inch) | 1.1406 |
| Drill Point Angle | 118 |
| Shank Taper Designation | 4MT |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Oxide |
| Flute Type | Spiral |
| Overall Length (Inch) | 12-7/8 |
| Flute Length (Inch) | 7-1/4 |
| Spiral Type | Regular Spiral |
| Cutting Direction | Right Hand |
| Point Type | Standard |
| Web Thinning | Web-Thinned |
| Specification Designation | ANSI |
| Drill Bit Grade | General Purpose |
| Series/List | 209 |
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