

Milwaukee Thunderbolt 1/4" Hole Saw Pilot Bit 49-56-8031
REINFORCED CORE GEOMETRY FOR HIGH-TORQUE HOLE SAW APPLICATIONS
The mechanical failure of standard pilot bits often stems from side-load stress during aggressive hole saw engagement. The Milwaukee Thunderbolt pilot bit addresses this with a significantly thicker core, utilizing a tapered web that provides structural rigidity where standard bits typically snap. The 135° split point is a critical engineering feature for precision, ensuring the bit bites immediately without walking—a necessity when working on curved surfaces or dense materials. By incorporating a parabolic flute, this bit optimizes chip evacuation, reducing friction-induced heat and extending the service life of the cutting edge for a higher professional ROI.
- / Thunderbolt Tapered Web provides a thicker core for maximum protection against side-load breakage during heavy-duty drilling.
- / 135° Split Point starts on contact to prevent walking and ensure precise hole placement without the need for a center punch.
- / Parabolic Flute design clears chips and debris rapidly to keep the bit cool and maintain cutting efficiency.
- / 3-Flat Shank eliminates slipping in the hole saw arbor or drill chuck for consistent power transfer.
TECHNICAL SPECIFICATIONS
| Diameter | 1/4" |
| Point Angle | 135 Degrees |
| Shank Type | 3-Flat |
| Flute Type | Parabolic |
| Compatibility | Standard Hole Saw Arbors |
WHAT'S IN THE BOX
(1) 1/4" Thunderbolt Hole Saw Pilot Bit (49-56-8031)
Original: $7.47
-65%$7.47
$2.61Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
REINFORCED CORE GEOMETRY FOR HIGH-TORQUE HOLE SAW APPLICATIONS
The mechanical failure of standard pilot bits often stems from side-load stress during aggressive hole saw engagement. The Milwaukee Thunderbolt pilot bit addresses this with a significantly thicker core, utilizing a tapered web that provides structural rigidity where standard bits typically snap. The 135° split point is a critical engineering feature for precision, ensuring the bit bites immediately without walking—a necessity when working on curved surfaces or dense materials. By incorporating a parabolic flute, this bit optimizes chip evacuation, reducing friction-induced heat and extending the service life of the cutting edge for a higher professional ROI.
- / Thunderbolt Tapered Web provides a thicker core for maximum protection against side-load breakage during heavy-duty drilling.
- / 135° Split Point starts on contact to prevent walking and ensure precise hole placement without the need for a center punch.
- / Parabolic Flute design clears chips and debris rapidly to keep the bit cool and maintain cutting efficiency.
- / 3-Flat Shank eliminates slipping in the hole saw arbor or drill chuck for consistent power transfer.
TECHNICAL SPECIFICATIONS
| Diameter | 1/4" |
| Point Angle | 135 Degrees |
| Shank Type | 3-Flat |
| Flute Type | Parabolic |
| Compatibility | Standard Hole Saw Arbors |
WHAT'S IN THE BOX
(1) 1/4" Thunderbolt Hole Saw Pilot Bit (49-56-8031)













