Allied Machine 131T-0028 Original T-A® 1 Series Replaceable Spade Drill Insert, 7/8 in Drill, 5/32 in THK, Standard, CPM-M4, TiN Plated

Features

• Fits T-A style spade drill insert holders.
• High speed steel for good tool life & productivity with minimal cost.
• Performs well in free cutting & carbon steels, as well as soft non-ferrous materials.

• Increased lubricity & heat resistance.
• Allows for a 25% to 35% increase in machining speeds.

• Coating developed by AMEC is ultra durable.
• Provides for extended tool life for drill inserts.
• Effective in high heat applications.
• Has a helical margin which allows for greater tool life.
• Smoother breakout on through holes.
• Increased drill stability.
• Improved chip formation.