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
- Carbon Steel Steel Alloys Ferrous Metals Thread Repair External Thread Chasing Maintenance Fabrication
- Threading
Compatible machines
Equipment and operating methods
- 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 typeThreading Dies
Tool subtypeHex Rethreading Dies
Detailed styleStandard Right-Hand
Manufacturer series330
Series family330
Measurement systemImperial
Manufacturer part number330-7/8-14
Dimensions & fit
Size7/8-14 UNF
Drill / wire / letter designationF
Cutting diameter7/8-14
Pack quantity1
Threading
Thread size3307/8-14
Thread standard / formUNF
Threads per inch14.0 TPI
Die outside diameter7/8″
04 -- Why Choose this series
Series advantage
Why choose the 330 series
330
Double-sided chamfered carbon steel hex die for medium-duty external thread cutting and thread chasing
Features supporting this advantage
- Double-sided chamfered carbon steel hex die for medium-duty external thread cutting and thread chasing
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.
What’s included
Components supplied with this product
- 1 Champion 330 carbon steel hexagon rethreading die
- 7/8-14 thread
- double-sided chamfer
- use with an open-end, box or adjustable wrench
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 330 7/8-14 Medium-Duty Hexagon Rethreading Die
330-7/8-14 is a Champion 330 carbon steel hexagon rethreading die for unified-inch external thread repair and thread chasing for the 7/8-14 size. It is designed for professional maintenance, fabrication and repair work. It is sold individually.
Key Benefits
- Carbon steel construction for practical medium duty thread repair and chasing.
- Hexagonal body provides wrench flats for controlled hand operation on the 7/8-14 thread.
- Designed for cutting new external threads and dressing bruised or rusty threads.
- Useful for restoring thread fit before installing a matching nut, bolt or fitting.
- Champion thread-chasing tooling for shop, maintenance and field service work.
Applications
- Cutting new external threads in compatible steel alloys
- Dressing bruised, damaged or rusty external threads
- Maintenance, fabrication and field repair
- Handheld thread-chasing with an open-end, box or adjustable wrench
Technical Specifications
| Manufacturer part number | 330-7/8-14 |
|---|---|
| Product type | Champion Medium-Duty Carbon Steel Hexagon Rethreading Dies |
| Thread size | 7/8-14 |
| Thread standard | Unified inch thread |
| Die style | Hexagon rethreading die / thread chaser |
| Performance level | Medium duty |
| Tool material | Carbon steel |
| Primary application | unified-inch external thread repair and thread chasing for the 7/8-14 size |
| Package quantity | 1 die(s) |
How to Use
For new external threads, start the die squarely and use suitable cutting fluid; for repair work, use it to dress damaged or rusty threads. Use eye protection, secure the workpiece and clear chips regularly. Match the die to the existing thread before starting.
Threading tools can break if misaligned, overloaded or used on incompatible material. Follow safe metalworking procedures and wear appropriate personal protective equipment. California Proposition 65 warning may apply.
How ordering works
A clear process from order to delivery
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1
Order submitted securely
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Secure submission
2
Confirmation sent
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Details confirmed
3
Picking and packing
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4
Tracking provided
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Trackable shipment
5
Delivery to your location
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Dependable delivery
Business purchasing
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