Description
The Milwaukee 48-89-9284 is a #4 cobalt step drill bit covering 3/16-7/8 in. The manufacturer states it is recommended up to 14 gauge and is optimized for use in a cordless drill, at low speed in stainless steel and high speed in mild steel.
Per the manufacturer, it has an elongated dual-flute design for heat management, smaller steps, a Rapid Strike tip for fast, accurate starts, a 3-flat Secure-Grip shank to reduce slipping in the chuck and laser-engraved reference marks. Made in the USA with global materials, per the manufacturer. Sold as a single bit.
Features
- Cobalt step drill bit #4, 3/16-7/8 in
- Recommended up to 14 gauge, per the manufacturer
- Elongated dual-flute design for heat management, per the manufacturer
- Smaller steps for smoother drilling, per the manufacturer
- Rapid Strike tip for fast, accurate starts, per the manufacturer
- Optimized for use in a cordless drill
- 3-flat Secure-Grip shank to reduce bit slippage in the chuck
- Laser-engraved reference marks to stop on a hole size
- Made in the USA with global materials, per the manufacturer
Specifications
| Specification | Value |
|---|---|
| Model | 48-89-9284 |
| Quantity | 1 piece |
| Type | cobalt step drill bit #4 |
| Size range | 3/16-7/8 in (approx. 4.8-22.2 mm) |
| Largest diameter | 7/8 in |
| Steps | 12 |
| Drilling depth | 0.87 in (approx. 22 mm) |
| Flute length | 2.78 in |
| Shank | 3/8 in |
| Material application | mild steel, plastic, stainless steel |
| Weight | 0.2219 lb (0.101 kg) |
| Shank | 3-flat Secure-Grip |
| Country of origin | USA (per the manufacturer) |
Part numbers
| Manufacturer part number (MPN) | Big Papa SKU |
|---|---|
| 48-89-9284 | BP-G-MWK-48899284 |

