Designed for long-lasting results in the toughest materials, Alpha Gold Series countersinks last three times longer than other countersinks on the market. 

• Fully ground M2 HSS-CoB increases strength and countersink life 
• Titanium nitride coating reduces heat and increases lubricity for extended life 
• 3 flute design provides clean and fast countersinking and deburring with a cordless drill 
• HSS cobalt with TiN coating 
• 1/4″ quick change shank
• Suits: Non-hammer action portable power and pedestal drills 

Technical data:

• Head diameter: 16mm, 5/8
• Overall length: 43mm
• Shank diameter: 1/4″ 
• Range min-max: 3 - 16