Model # 48-89-2321
Store SKU # 1000657027
Cobalt drill bits are designed for extreme durability and long life in specialty applications. The Thunderbolt®
web features a thicker core than a standard drill bit, which provides ultimate strength and protects against side-load breakage.
- 135° split point, precision start (no walking)
- Extended length for hard to reach areas
- Specialty bit for cast iron and stainless steel
- 3-flat secure grip shank reduces bit slipping in chuck