• Thunderbolt Cobalt Drill Bit
• Mfr. item numbers - 48-89-2300 series
• Designed for extreme durability & long life
• Thicker core provides ultimate strength & protects against side-load breakage
• Special parabolic flute clears chips & debris fast to help keep the bit cool
• Heavy-duty 135 degree split point for easy starting on hard materials
• Excellent for drilling on curved surfaces
• Requires less effort to drill & is highly recommended for portable drills
• Ideal for cast iron & stainless steel
• Made in the USA
• Weight: Approximately .01 pounds to 1 pounds depending on size selected.
• Shipping Dimensions: Approximately 8 x 2 x 1 inches to 9 x 2 x 1 inches depending on size selected.