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-strength hardened steel Deep-set hole drilling Structural steel and thick assemblies Electrical panels and enclosures Mechanical rooms and tight spaces Industrial maintenance and fabrication
- 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 typeHole Cutter Accessories
Tool subtypeExtension Components
Detailed styleStandard Accessory
Manufacturer seriesEXT
Series familyEXT
Measurement systemImperial
Manufacturer part numberCT-EXT-3/8
Dimensions & fit
SizeFor 3/8" shank cutters
Overall length5
Pack quantity1
04 -- Why Choose this series
Series advantage
Why choose the EXT series
EXT
Extended Reach Without Compromising Accuracy. Champion EXT extensions provide additional drilling depth while maintaining cutter alignment and stability, allowing precise carbide hole cutting in hard-to-reach locations.
Features supporting this advantage
- Extended Reach Without Compromising Accuracy. Champion EXT extensions provide additional drilling depth while maintaining cutter alignment and stability, allowing precise carbide hole cutting in hard-to-reach locations.
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
Champion CT-EXT-3/8 5" Extension for 3/8" Shank CT5/CT7 Cutters
The CT-EXT-3/8 is a Champion extension components in the EXT series.
Extended Reach Without Compromising Accuracy. Champion EXT extensions provide additional drilling depth while maintaining cutter alignment and stability, allowing precise carbide hole cutting in hard-to-reach locations.
Technical Specifications
| Manufacturer part number | CT-EXT-3/8 |
|---|---|
| Size | 5 In. Ext. For 3/8 In. Shank CT Cutters |
| Order quantity multiple | 1 |
Use a compatible machine or holder, the correct speed and feed, and appropriate personal protective equipment. Follow the manufacturer’s instructions.
How ordering works
A clear process from order to delivery
Whether you need one replacement tool or a recurring supply order, every step is designed for clear communication, accurate fulfillment and dependable delivery.
1
Order submitted securely
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Secure submission
2
Confirmation sent
You receive a clear summary of the items and quantities, ready to review or share.
Details confirmed
3
Picking and packing
Our team prepares the correct products and quantities for safe, accurate transportation.
Carefully prepared
4
Tracking provided
As soon as the carrier label is created, the tracking information is sent to you.
Trackable shipment
5
Delivery to your location
Your order travels to the selected address with clear visibility into its progress.
Dependable delivery
Business purchasing
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For distributors, wholesalers, machine shops and contractors: apply for Net 30 terms, email a PDF purchase order or request tailored business pricing.
Canada & United States
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Targeted pricing based on products, quantities and repeat needs
Credit decisions are usually completed in 2–3 business days. No minimum order is required to apply.