SI29BTP | Alpha Black Series Tuffbox Pro Drill Set (29 Piece)
The Alpha SI29BTP combines the durability of the Black Series with the innovation of the Tuffbox Pro case. These 29 imperial drill bits feature a Black Oxide coating which maximizes lubricant retention, assisting with chip flow and heat dissipation. The Tuffbox Pro case features strong hinges that allow the bit holders to stand upright, making it easy to select the right size while working.
Important: The use of cutting fluid is mandatory to prevent heat buildup and maximize tool life. Alpha Liquid Gold is highly recommended for optimal performance.
Key Features
Tuffbox Pro Design: Bits stand upright for easy access; case is color-coded for quick identification.
Black Oxide Finish: Retains lubricant to reduce heat and improve chip evacuation.
118° Split Point: Reduces wandering for accurate hole starting.
Versatile: Ideal for steel, hard ferrous metals, wood, and plastic.
Specifications
Range: 1/16" to 1/2" (Imperial)
Material: Fully ground M2 HSS
Finish: Black Oxide