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39Pc Set HSS Interchangeable Pilot Counterbore Set - Aprica Brand

SKU:
IPCB01
Availability:
If in stock (Please see below price for current stock level) - Ships same day if ordered between Monday-Friday & before 3.30PM Victorian time.
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  • 39Pc Set HSS Interchangeable Pilot Counterbore Set - Aprica Brand
  • 39Pc Set HSS Interchangeable Pilot Counterbore Set - Aprica Brand
MSRP: $419.95
$319.95
— You save $100.00

Description

 39 Pc Set HSS Interchangeable Pilot Counterbore Set

1/4"-1" straight shank
M2 HSS - NEW APRICA PRODUCT

Comes in a protective carry case (Either wooden or Hard Plastic) with padded interior to protect your tools. 

Interchangeable Pilots

SET INCLUDES: 

13 COUNTERBORES & 26 PILOTS

 

The 13 Counterbores range from: 1/4” TO 1” BY 16THS.

 The pilots come in the following range: 

1/8, 5/32, 3/16 AND 1/4  WITH 3/32 SHANKS,

3/16, 7/32, 1/4, 9/32 AND 5/16 WITH 5/32 SHANKS,

1/4, 5/16, 3/8, 7/16 AND 1/2 WITH 3/16 SHANKS 

5/16, 3/8, 7/16, 1/2, 9/16 AND 5/8 WITH 1/4 SHANKS

3/8, 7/16, 1/2,  9/16, 5/8, AND 3/4 WITH  5/16 SHANKS  

ALL STRAIGHT SHANK  

 

Used for Counter Bores and Spot facing 

Brief Description & Useful Info:

 Counterbore, or counterbore cutters, are drill-bits used to make counterbore holes, which is a way of creating a flat-bottomed extension of an existing hole in a material. The counterbore cutter will essentially create a cylindrical cavity at the head of an already drilled hole. This allows the hole to accommodate flat bottomed screw or bolts so that they sit flush to the surface of the material.

  

A counterbore is a tool that is used to create a flat-bottomed hole with a larger diameter than an existing hole or cavity. Counterbores are commonly used in machining and woodworking applications to create recesses for the heads of bolts, screws, and other fasteners. 

The purpose of a pilot is to guide the counterbore and ensure that the hole is created at the correct angle and depth. Without a pilot, it can be difficult to maintain a consistent angle and depth while creating the hole, which can lead to inaccuracies and imperfections. 

When using a counterbore with a pilot, the pilot is inserted into the existing hole, and the counterbore is guided by the pilot to create a recess or counterbore. The pilot ensures that the counterbore is created at the correct angle and depth, and also helps to prevent the counterbore from wandering or slipping off course. 

Using a counterbore with a pilot can also help to improve the accuracy and precision of the final product. By creating a clean and precise counterbore, fasteners can be seated flush with the surface of the material, which can improve the overall appearance and strength of the finished product. 

In summary, using a counterbore with a pilot helps to ensure accuracy and precision in creating flat-bottomed recesses or counterbores for fasteners, which can improve the overall appearance and strength of the finished product 

Spotfacing With Counterbores:  

Spot facing is a machining process that is used to create a flat surface on a workpiece. This flat surface is usually created for the purpose of ensuring proper seating or mating of another component, such as a washer or a bearing. A counterbore with interchangeable pilots can be used for spot facing.

Here are the steps for spot facing with a counterbore and interchangeable pilots:

Step 1: Select the appropriate counterbore and pilot. Choose a counterbore that is appropriate for the size of the spot face you want to create, and select a pilot that fits snugly inside the hole. The pilot will help guide the counterbore and ensure that the spot face is created at the correct angle and depth.

Step 2:  Insert the pilot into the hole where you want to create the spot face. Make sure that it is centered and securely in place.

Step 3:  Attach the counterbore to a drill, making sure that it is securely fastened.

Step 4: Begin drilling. Turn on the drill and begin drilling into the material. The pilot will guide the counterbore to ensure that the spot face is created at the correct angle and depth.

Step 5: Change the pilot if necessary. If you need to create spot faces of different sizes, you can change the pilot on the counterbore to match the new hole size.

Step 6: Remove the counterbore. Once the spot face has been created, remove the counterbore from the drill.

Step 7: Remove the pilot. Remove the pilot from the hole.

Step 8: Clean up the hole. Clean up any debris or shavings that may have been created during the spot facing process.

Using a counterbore with interchangeable pilots can be a versatile and efficient way to create spot faces of different sizes and depths in a variety of materials. The interchangeable pilots allow you to quickly and easily switch between different sizes of spot faces without having to change out the entire tool.

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