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Milwaukee 48-89-9248 | SHOCKWAVE Impact Duty #8 1/2 1" | 1/4" shank
The Milwaukee 48-89-9248 SHOCKWAVE Impact Duty #8 1/2 1" is a step drill accessory with 1/4" shank. It suits electrical enclosures, ductwork and sheet metal fabrication. Milwaukee also lists 3.91 long, Step bit type and drilling depth 2.275 in. It drills several hole sizes in sheet metal with one bit. Electricians and HVAC installers use step bits like this for knockouts and sheet metal holes.
Key features
- A dual spiral flute combined
- Made in the USA with global materials
- Optimized for impact drivers, drill/Driver compatible
- The optimized SHOCKZONE reduces early shank breaks
- The Rapid Strike Tip provides fast and accurate starts
- Titanium aluminum coating
- Specifications
| Part Number | 48-89-9248 |
| Brand | Milwaukee |
| Bit Diameter | #1 |
| Bit Length | 3.91 |
| Bit Type | Step |
| Size | 1/2" - 1" |
| Drilling Depth | 2.275 in |
| Flute Length | 2.275 in |
| Material Application | Aluminum |
| Weight | 0.26 lb |
| Overall Bit Length | 3.91 |
| Shank Size | 1/4" |
| Shank Length | 1.26 in |
| Shank Style | Hex |
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