Precision Twist Drill - 4.2mm 135° Spiral Flute High Speed Steel Screw Machine Drill Bit
Item #: 78552148
Brand: Precision Twist Drill
Model #: 046420
Features and Benefits
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide prevents chip building, galling and welding on the workpiece. It is commonly used 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) | 0.1654 |
| Drill Bit Size (mm) | 4.20 |
| Drill Point Angle | 135 |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Oxide |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (mm) | 22.00 |
| Flute Length (Decimal Inch) | 0.8668 |
| Overall Length (mm) | 55.00 |
| Overall Length (Decimal Inch) | 2.1670 |
| Flute Length x Diameter Ratio | 2.5xD |
| Point Type | Split Point |
| Specification Designation | DIN |
| Number of Flutes | 2 |
| Web Configuration | Tapered |
| Specification Number | DIN 1897 |
| Web Thinning | Web-Thinned |
| Material Grade | M2 |
| Series/List | 4ASM |
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