Alpha 1/2" (12.70mm) Jobber Drill Bit - Black Series 9LI12B
More infoFeatures:
- Tempered black oxide finish reduces friction between bit and workpiece
- 118° split point for precision hole starting
- Fully ground premium quality M2 HSS
- Corrosion resistant finish
- Ideal for drilling hard metals (coolant recommended)
- Not recommended for soft materials or non-ferrous metals
Specifications: | |
|---|---|
| Size | 1/2" | Overall Length | 152 mm |
| Flute Length | 114 mm |
| Stainless Steel rpm | 294 |
| Tool Steel rpm | 441 |
| Cast Iron rpm | 588 |
| Malleable Iron rpm | 661 |
| Medium Carbon Steel rpm | 735 |
| Free Cutting Steel rpm | 1053 |
| Alum, Brass, Plastic rpm | 1494 |
| Wood rpm | 2229 |
| Feed per rpm (mm / rev) | .25-.35 |
(9LI12B)
| SKU | 9LI12B |
| Barcode # | 9342386056082 |
| Brand | Alpha |
| Shipping Weight | 0.1121kg |
| Type | tools |
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