Triumph 013520 Thunderbit Cobalt Bronze Oxide Jobber Drill Bits 5/16"

Triumph 013520 Thunderbit Cobalt Bronze Oxide Jobber Drill Bits 5/16"

Thunderbit® drills have a special heavy-duty core that guarantess increased strength and reduced breakage. Unique spiral flute design improves chip ejection and coolant flow to the point. M42 Cobalt steel for use in harder, more abrasive materials.

Product Features

• Premium Cobalt blend permits speeds and feeds up to 30% faster than HSS
• Heavy-duty core for increased strength and reduced breakage
• 135° self-centering split point to prevent walking
• Bronze surface treatment for added lubricity
• Jobber length for most general applications
• Unique spiral flute design improves chip ejection and coolant flow
• Made in USA

Applications

• Drilling in hard alloy metals like stainless steel
• Portable drilling in metal