Cobalt HSS Drill Bit Fractional Straight Shank 21/64""

Features and Benefits:

• 135 split point begins drilling immediately, minimizing bit ""Walk""
• Heavy-duty web construction for strength & durability
• Additional cobalt for much higher hot hardness and abrasion resistance
• Recommended for drilling hardened steel, super alloys, titanium and stainless steel

Additional information below is provided to help you choose the right drill bit for your requirements:

Point Types:

• 118 Point for General usage
• 135 Split point for drilling tougher, harder materials - less tendency to ""walk""
• JET POINT (Turbomax) is specially ground to stay sharp longer and drill faster

Material types:

• High Speed Steel (HSS) - General purpose and recommended for most drilling applications
• Cobalt HSS - Recommended for drilling through alloys, stainless steel, etc.
• Titanium Nitride (TiN) Coated HSS - Reduces friction -very wear resistant, and is ideal for production work and repetitive drilling