Allied T-A Series #3 TiN Coated Super Cobalt Spot Drilling & Chamfering Insert, 1-7/8″ Blade Size, 1/4″ Thickness – 153T-0128-SP

• High speed steel for good tool life & productivity with minimal cost.
• Increased lubricity & heat resistance.
• 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.
• Produce 90 chamfer or utilize for spot drill applications.
• Fits into existing T-A Style spade drill insert holders.
• Super Cobalt tough grade ideal for drilling.
• TiN Coated.

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