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
- Aluminum
- Steel
Recommended applications
Typical jobs and operations
- Steel Aluminum Brass Cast Metals Thread Repair Fabrication Machine Assembly Maintenance
- 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 typeTap Sets
Tool subtypeHand Taps
Detailed styleHSS · 3-Piece Set
Manufacturer series308M-SET
Series family308M
Tool materialHigh Speed Steel
Coating / finishStandard
Manufacturer part number308M-3X.5-S
Dimensions & fit
Size3-Piece Set
Drill / wire / letter designationE
Increment1/0 in
Flute / cutting length1-15/16
Overall length5/8
Pack quantity1
Set piece count3
Cutting geometry
Flute count3
Threading
Thread class3
Tap chamfer styleTaper, Plug, Bottom
04 -- Why Choose this series
Series advantage
Why choose the 308M-SET series
308M-SET
Matched 3-piece HSS metric hand tap set with taper, plug and bottoming chamfers for the same thread size
Features supporting this advantage
- Matched 3-piece HSS metric hand tap set with taper, plug and bottoming chamfers for the same thread size
- High Speed Steel
- Standard
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 taper tap
- 1 plug tap
- 1 bottoming tap
- same metric thread size
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 308M 3 x 0.5 3-Piece HSS Metric Hand Tap Set
308M-3X.5-S is a Champion 308M 3 x 0.5 3-piece metric HSS hand tap set made from high-speed steel for accurate, general-purpose metric threading. The set contains one taper, one plug and one bottoming tap for the same metric thread size.
Key Benefits
- Industrial-quality high-speed steel for faster, more accurate tapping than carbon taps.
- Includes one taper, one plug and one bottoming tap for the same metric thread size.
- Square shank fits compatible tap wrenches and production tapping heads.
- Metric sizes support thread repair, fabrication, maintenance and machine assembly.
- Made in USA Champion tooling for general-purpose metal threading.
Applications
- Steel and general metal threading
- Thread repair and maintenance
- Machine assembly and fabrication
- Through-holes and blind holes, using the correct chamfer style
Chamfer Selection
Taper, plug and bottoming: Includes one taper, one plug and one bottoming tap for the same metric thread size.
Technical Specifications
| Manufacturer part number | 308M-3X.5-S |
|---|---|
| Product type | Champion HSS Metric Hand Tap Sets |
| Thread size | 3 x 0.5 |
| Chamfer style | Taper, plug and bottoming |
| Material | High-speed steel (HSS) |
| Shank | Square shank |
| Included components | 1 taper tap; 1 plug tap; 1 bottoming tap; same metric thread size |
| Package quantity | 1 set (3 taps) |
| Country of origin | Made in USA |
How to Use
Secure the workpiece, select the correct metric drill size and keep the tap aligned with the hole. Use suitable cutting fluid, turn the tap steadily and clear chips regularly. Start with a taper or plug tap before using a bottoming tap in a blind hole.
Cutting tools may shatter if misused. Secure the workpiece, avoid excessive force and follow safe tapping procedures. Wear eye protection and appropriate personal protective equipment. California Proposition 65 warning may apply.
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1
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Secure submission
2
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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
Your order travels to the selected address with clear visibility into its progress.
Dependable delivery
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