Milwaukee 9/32" Thunderbolt Black Oxide Drill Bit 48-89-2834
ENGINEERED FOR MAXIMUM RIGIDITY AND SUPERIOR CHIP EVACUATION
The Milwaukee Thunderbolt series represents a significant mechanical upgrade over standard jobber bits, specifically engineered to withstand the high-torque demands of professional-grade portable drills. By utilizing a thicker core—the Thunderbolt web—this bit provides the structural integrity needed to resist side-load breakage during deep-hole applications or when drilling through curved surfaces. The parabolic flute geometry is a critical design choice, facilitating rapid chip evacuation to mitigate heat buildup, which is the primary cause of premature edge dulling. For precision work, the 135-degree split point eliminates the need for a center punch by biting into the material immediately upon contact, ensuring your holes stay exactly on layout.
- / Thunderbolt® Web: Thicker core design provides ultimate strength and protects against breakage under heavy side-loading.
- / 135° Split Point: Precision tip starts on contact to prevent walking, making it ideal for drilling on pipe or rounded stock.
- / Parabolic Flute: Specialized geometry clears debris and chips fast to keep the bit cool and extend cutting life.
- / 3-Flat Secure-Grip™ Shank: Machined flats prevent the bit from spinning in the chuck during high-load drilling.
- / Black Oxide Coating: Enhances lubricity and provides essential corrosion resistance for long-term jobsite durability.
TECHNICAL SPECIFICATIONS
| Diameter | 9/32" |
| Decimal Equivalent | 0.2812" |
| Overall Length | 4-1/4" |
| Flute Length | 2-15/16" |
| Point Angle | 135° |
| Point Type | Split Point |
| Shank Type | 3-Flat Secure-Grip™ |
| Material | High Speed Steel |
| Coating | Black Oxide |
WHAT'S IN THE BOX
(1) 9/32" Thunderbolt® Black Oxide Drill Bit (48-89-2834)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
ENGINEERED FOR MAXIMUM RIGIDITY AND SUPERIOR CHIP EVACUATION
The Milwaukee Thunderbolt series represents a significant mechanical upgrade over standard jobber bits, specifically engineered to withstand the high-torque demands of professional-grade portable drills. By utilizing a thicker core—the Thunderbolt web—this bit provides the structural integrity needed to resist side-load breakage during deep-hole applications or when drilling through curved surfaces. The parabolic flute geometry is a critical design choice, facilitating rapid chip evacuation to mitigate heat buildup, which is the primary cause of premature edge dulling. For precision work, the 135-degree split point eliminates the need for a center punch by biting into the material immediately upon contact, ensuring your holes stay exactly on layout.
- / Thunderbolt® Web: Thicker core design provides ultimate strength and protects against breakage under heavy side-loading.
- / 135° Split Point: Precision tip starts on contact to prevent walking, making it ideal for drilling on pipe or rounded stock.
- / Parabolic Flute: Specialized geometry clears debris and chips fast to keep the bit cool and extend cutting life.
- / 3-Flat Secure-Grip™ Shank: Machined flats prevent the bit from spinning in the chuck during high-load drilling.
- / Black Oxide Coating: Enhances lubricity and provides essential corrosion resistance for long-term jobsite durability.
TECHNICAL SPECIFICATIONS
| Diameter | 9/32" |
| Decimal Equivalent | 0.2812" |
| Overall Length | 4-1/4" |
| Flute Length | 2-15/16" |
| Point Angle | 135° |
| Point Type | Split Point |
| Shank Type | 3-Flat Secure-Grip™ |
| Material | High Speed Steel |
| Coating | Black Oxide |
WHAT'S IN THE BOX
(1) 9/32" Thunderbolt® Black Oxide Drill Bit (48-89-2834)
