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
- Mild steel
- Alloy steel
- Steel
Recommended applications
Typical jobs and operations
- Hardened alloy steel chuck body for high torque tapping operations Precision-machined internal gripping mechanism for secure tap holding Wear-resistant steel jaws designed to resist rounding and slippage Industrial-grade components suitable for repeated forward / reverse cycles Structural steel, Mild steel, Low-alloy steels Machine taps up to 3/4″ capacity, Fabrication and erection work, Industrial maintenance and repair Steel fabrication shops, Construction and structural steel sites, Heavy equipment maintenance, Industrial plant maintenance
- Threading
- Holemaking
Compatible machines
Equipment and operating methods
- Magnetic drill press
- Manual
- Tapping machine
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 typeMag Drill Parts & Accessories
Tool subtypeMag Drill Parts & Accessories
Detailed styleArbor & Spindle Components
Manufacturer seriesTAP123
Series familyTAP123
Measurement systemImperial
Part categoryMag Drill Parts & Accessories
Manufacturer part numberTAP123
Dimensions & fit
Size3/4"
Cutting diameter3/4"
Pack quantity1
04 -- Why Choose this series
Series advantage
Why choose the TAP123 series
TAP123
Large 3/4″ Tapping Capacity. The tap chuck matches the AC42’s maximum threading capability of 3/4″, allowing heavy threaded holes without slippage — a feature critical for structural steel and fabrication work.
Features supporting this advantage
- Large 3/4″ Tapping Capacity. The tap chuck matches the AC42’s maximum threading capability of 3/4″, allowing heavy threaded holes without slippage — a feature critical for structural steel and fabrication work.
05 -- Compatibility & What's Included
Compatibility & contents
Confirm the fit before ordering
The systems, models, and components below come directly from the product’s normalized fit data.
Compatible models
Machines or replacement series
- AC42
Fit details
Part typeMag Drill Parts & Accessories
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 TAP123 3/4" Tap Chuck for AC42 Magnetic Drill
The Champion Tap Chuck is a precision accessory designed to enable powered tapping operations on the Champion AC42 VariBrute magnetic drill press . Built for professional fabricators, maintenance teams and industrial users, this tap chuck securely holds taps and allows tapping straight, accurate threads in pre-drilled holes without slipping or misalignment.
Tap capacity is rated at 3/4″ , matching the AC42’s tapping capability specified in the official product documentation. The chuck is engineered to promote controlled tapping with reduced risk of tap breakage, and it integrates with the AC42’s tool change system for quick transitions between drilling and tapping operations.
This tap chuck is ideal for applications including structural steel fabrications, equipment installations, machinery maintenance and heavy fabrication where threaded holes are required to precise specifications.
Key Features
- 3/4″ Tap Capacity — Designed to handle large taps up to 3/4″ diameter when used with the AC42 magnetic drill press.
- Quick installation into the AC42 quick-change tool system.
- Secure grip on taps to minimize slippage and ensure accurate threading.
- Engineered for heavy-duty industrial use.
- Professional threading accessory for metalworkers and maintenance crews.
Technical Specifications
| Manufacturer part number | TAP123 |
|---|---|
| Product type | Mag Drill Accessories |
| Product Type | Tap Chuck Attachment |
| Compatible With | Champion AC42 Magnetic Drill Press |
| Tap Capacity | Up to 3/4″ diameter |
| Use With | Machine taps for internal threading |
| Typical Uses | Industrial fabrication, structural steel, equipment maintenance |
Applications
Magnetic drill setup, annular-cutter conversion, twist drilling, tapping, fabrication, maintenance and field service.
Use the product according to Champion Cutting Tool instructions. Wear appropriate eye and face protection, secure the workpiece, and disconnect power before changing tools or accessories.
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
Your products, quantities and order details enter our system for verification.
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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