21 Piece High Speed Steel Interchangeable Pilot Counterbore Set, Imperial Size & Metric Size

Description

Features:

• They are supplied in a fitted case.
• Straight shank.

Imperial Size (3620-0121):

• 14 pilots with a 5/32″ shank including 0.187″, 0.204″, 0.213″, 0.229″, 1/4″, 17/64″,9/32″, 5/16″, 21/64″, 11/32″, 3/8″, 25/64″,13/32″ and 7/16″.
• 6 counterbores including 5/16″, 3/8″, 7/16″, 1/2″, 9/16″, and 5/8″.
• 1 Holder with a 3/8″ shank.

Metric Size(3620-0122):

• 14pcs pilots: 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, & 10.5mm
• 6pcs counterbores: 8.5, 9.5, 10.5, 11.5, 13.5, & 16.5mm
• 1pc 10mm straight shank holder

Interchangeable pilot counterbores have several benefits, including:

1. Improved accuracy: The pilot feature of the counterbore helps to guide the cutting tool, resulting in more accurate and consistent hole sizes.

2. Versatility: Interchangeable pilots allow for the use of the same counterbore body with different size pilots, increasing the range of hole sizes that can be produced.

3. Reduced tooling costs: Using interchangeable pilots instead of dedicated counterbores for each hole size can save money on tooling costs.

4. Improved Efficiency: With the use of the interchangeable pilots the machine downtime is reduced which leads to improved efficiency and productivity

5. Increased life of the tool: The pilot guides the tool, reducing wear and tear on the counterbore, increasing its lifespan.

Interchangeable pilot counterbores are typically used when:

1. A range of hole sizes need to be produced: Using interchangeable pilots allows for the use of the same counterbore body with different size pilots, increasing the range of hole sizes that can be produced.

2. Consistency and accuracy are important: The pilot feature of the counterbore helps to guide the cutting tool, resulting in more accurate and consistent hole sizes.

3. Tooling costs need to be minimized: Using interchangeable pilots instead of dedicated counterbores for each hole size can save money on tooling costs.

4. Production efficiency is a priority: With the use of the interchangeable pilots the machine downtime is reduced which leads to improved efficiency and productivity

5. Long lasting tools are needed: The pilot guides the tool, reducing wear and tear on the counterbore, increasing its lifespan, which means less downtime for maintenance and replacement.

It’s also important to note that Interchangeable pilot counterbores are typically used in industrial manufacturing settings, such as aerospace, automotive, and precision machinery.