# Qualtech DEWA/CCBR1 Round Shank Aircraft Counterbore, 1 in dia Bore, 1/4 in dia Shank, 3-1/8 in OAL, HSS, Pilot Shank dia Compatibility: 3/16 in

**Brand:** [QUALTECH](https://dev.maxsupplyco.com/brands/QUALTECH)
**SKU:** DEWA/CCBR1-10659
**MPN:** DEWA/CCBR1
**Price:** $51.67 · in stock
**URL:** https://dev.maxsupplyco.com/product/qualtech-dewa-ccbr1

## Features

- Counterboring is the enlargement of a portion of a hole that has previously been formed
- If the counterbored portion is shallow (1/8 in or less), the operations is usually known as spot facing for example, a flat seat for a bolt head or nut
- If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring
- These counterbores are made of 2-piece construction, having an integral shank and counterbore cutter and a pilot that is interchangeable, which provides flexibility in the use of the tool

## Specifications

| Spec | Value |
|---|---|
| UPC | 887861128872 |
| Brands | QUALTECH |
| Width (in) | 2 |
| Height (in) | 3 |
| Length (in) | 7 |
| Manufacturer | Drill America |
| Package Quantity | 1/Each |
| Standard Approvals | PROP65: This product contains Cobalt and/or Nickel and/or Lead a chemical known to the state of California to cause canceror birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov |
| Manufacturer Part Number | DEWA/CCBR1 |

## Description

Qualtech Aircraft Counterbore, Round Shank, 1 in Bore, 3-1/8 in Overall Length, 1/4 in Shank dia, Pilot Shank dia Compatibility: 3/16 in, HSS, Bright

Features

- Counterboring is the enlargement of a portion of a hole that has previously been formed

- If the counterbored portion is shallow (1/8 in or less), the operations is usually known as spot facing for example, a flat seat for a bolt head or nut

- If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring

- These counterbores are made of 2-piece construction, having an integral shank and counterbore cutter and a pilot that is interchangeable, which provides flexibility in the use of the tool