01 — Essential Specifications
Choose with confidence
Essential specifications
The facts that matter most when choosing the right product in this family.
02 -- Materials, Applications & Machines
Working compatibility
Materials, applications & machines
Quickly confirm what the tool can cut, the work it is designed to perform, and the equipment it is intended to run on.
Compatible materials
Recommended workpiece materials
- Steel
Recommended applications
Typical jobs and operations
- High speed steel
- Aircraft, aerospace and general machining work requiring a flat seat around a drilled hole
- Holemaking
03 -- Complete Technical Specifications
Technical data
Complete technical specifications
Open only the groups you need to confirm construction, dimensions, and operating requirements.
Construction & identification
Tool typeCounterbores
Tool subtypeAircraft Counterbores
Detailed styleHSS
Manufacturer seriesDEWA/CCBR
Series familyDEWA/CCBR
Measurement systemImperial
Tool materialHigh Speed Steel
Coating / finishUncoated (Bright)
Manufacturer part numberDEWA/CCBR1
Dimensions & fit
Size1"
Increment1/3 in
Cutting diameter1"
Overall length3-1/8"
Shank diameter1/4"
Pack quantity1
Cutting geometry
Shank typeRound
04 -- Why Choose this series
Series advantage
Why choose the DEWA/CCBR series
DEWA/CCBR
Two-piece HSS aircraft counterbore with an integral 1/4 in shank and interchangeable pilot
Features supporting this advantage
- Two-piece HSS aircraft counterbore with an integral 1/4 in shank and interchangeable pilot
- High Speed Steel
- Uncoated (Bright)
05 -- Compatibility & What's Included
06 -- Use Notes & Technical Description
Before you use it
Use notes & technical description
Important fit, operating, and care guidance to review before putting the tool to work.
View the complete technical description
Drill America DEWA/CCBR1 1 in x 3/16 in HSS Aircraft Counterbore — 1/4 in Shank
DEWA/CCBR1 is a Drill America hss aircraft counterbore sized at 1 in x 3/16 in. A counterbore enlarges the mouth of a previously drilled hole to create a flat-bottom recess for a fastener head, washer or related hardware.
Aircraft, aerospace and general machining work requiring a flat seat around a drilled hole. This aircraft counterbore uses a 1/4 in shank. High speed steel construction for dependable cutting performance.
Key Features
- Manufacturer: Drill America.
- MPN: DEWA/CCBR1.
- Size: 1 in x 3/16 in.
- Tool type: HSS Aircraft Counterbore.
- Material: High speed steel.
- Finish: Uncoated (bright), where specified by the source product family.
- Application: Aircraft, aerospace and general machining work requiring a flat seat around a drilled hole.
- Package quantity: 1.
- UPC: 887861128872.
Technical Specifications
| Manufacturer part number | DEWA/CCBR1 |
|---|---|
| Size | 1 in x 3/16 in |
| Tool type | HSS Aircraft Counterbore |
| Application | Aircraft, aerospace and general machining work requiring a flat seat around a drilled hole |
| Material | High speed steel |
| Source specifications | Bore 1 in; pilot 3/16 in; shank 1/4 in |
| Package quantity | 1 |
| UPC | 887861128872 |
Secure the workpiece, use suitable cutting fluid when appropriate and wear proper eye protection. Confirm the pilot, shank and fastener dimensions before use.
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