26 Pc Cobalt Screw Machine Drill Bit Set A–Z

The 26 Piece Cobalt Screw Machine Drill Bit Set A–Z includes a complete range of letter size drill bits from A through Z, providing precise intermediate sizes commonly required in machining, fabrication, and maintenance work. Manufactured from cobalt steel, these drill bits offer excellent heat resistance and durability when drilling stainless steel, alloy steels, and other tough metals.

Designed with a screw machine (stub length) profile, these drill bits are shorter than standard jobber drills, providing increased rigidity and reduced deflection during drilling. This makes them ideal for CNC machines, drill presses, and screw machines, as well as precision drilling applications where stability and accuracy are critical.

Features & Benefits

• 26 piece cobalt screw machine drill bit set
• Includes A–Z letter drill bit sizes
• Cobalt steel construction for heat resistance and durability
• Stub length design for improved rigidity and stability
• Reduces deflection for more accurate drilling
• Ideal for stainless steel and hard metals
• Suitable for CNC machines, drill presses, and screw machines

This cobalt screw machine drill bit set provides precise letter sizes and improved drilling stability, making it an excellent choice for machinists and professional metalworking environments.

In-stock items usually ship within 2 business days but can take up to 7 business days. Shipping time starts once your order heads out the door.