Key Considerations for Jobber Drills

When selecting or buying Jobber drills, there are several key considerations to keep in mind:

1. Drill Material: Jobber drills are typically made from high-speed steel (HSS) or cobalt steel. Cobalt steel drills are more durable and heat resistant, making them suitable for drilling harder materials.

2. Drill Size: Jobber drills are available in a wide range of sizes, typically measured by diameter. Choose the drill size that matches the required hole size for your application.

3. Drill Point Angle: The drill point angle affects the drilling performance. Standard jobber drills usually have a 118-degree point angle, which is suitable for general-purpose drilling. However, for specific materials or applications, different point angles may be required.

4. Coating: Some Jobber drills come with coatings like titanium nitride (TiN) or cobalt to enhance durability, reduce friction, and improve chip evacuation.

5. Shank Type: Jobber drills can have straight shanks or reduced shanks for compatibility with different types of drilling equipment.

6. Brand and Quality: Choose reputable brands known for producing high-quality cutting tools to ensure performance and durability.

7. Price: Consider your budget and the cost-effectiveness of the drill based on its quality and expected usage.

8. Application: Ensure the Jobber drill is suitable for the specific materials and type of drilling operation you will be performing.

By considering these factors, you can select the most appropriate Jobber drills for your specific needs and applications.