Set
Champion 308 1-1/2-12 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-1/2-12-S
Materials & Applications
Compatibility
Materials & Applications
Recommended use cases for this product across common industrial materials and jobsite applications.
Steel
Aluminum
Brass
Cast Metals
Thread Repair
Fabrication
Machine Assembly
Maintenance
Product details
Technical Description
Essential product information, specifications, and recommended use before ordering.
Champion 308 5/16-24 12-Pack Bottoming HSS Hand Taps
308-5/16-24-B is a Champion 308 5/16-24 bottoming HSS hand tap made from high-speed steel for accurate, general-purpose metal threading. This tap is supplied in a package of 12.
Key Benefits
- Industrial-quality high-speed steel for faster, more accurate tapping than carbon taps.
- Short lead-in for cutting threads close to the bottom of a blind hole after the thread has been started.
- Square shank fits compatible tap wrenches and production tapping heads.
- Available as a standalone chamfer style or as a matched three-piece set for the same thread size.
- Made in USA Champion tooling for thread repair, fabrication, maintenance and machine assembly.
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
Bottoming: Short lead-in for cutting threads close to the bottom of a blind hole after the thread has been started.
Technical Specifications
| Manufacturer part number | 308-5/16-24-B |
|---|---|
| Product type | Champion 308 HSS hand tap |
| Thread size | 5/16-24 |
| Chamfer style | Bottoming |
| Material | High-speed steel (HSS) |
| Shank | Square shank |
| Included components | 12 bottoming HSS hand tap(s); square shank |
| Package quantity | 12 |
| Country of origin | Made in USA |
How to Use
Secure the workpiece, select the correct 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.
Most Interesting Product Feature
Product highlight
Most Interesting Product Feature
- HSS hand tap with bottoming chamfer for short lead-in for cutting threads close to the bottom of a blind hole after the thread has been started.
Available sets
Sets Available for This Product
Save time on every order with complete compatible kits ready for the job.
Compatible kits
Simplified ordering
Jobsite ready
Set
Set
Champion 308 1-1/2-6 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-1/2-6-S
Set
Champion 308 1-3/8-12 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-3/8-12-S
Set
Champion 308 1-3/8-6 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-3/8-6-S
Set
Champion 308 1-1/4-12 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-1/4-12-S
Set
Champion 308 1-1/4-7 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-1/4-7-S
Set
Champion 308 1-1/8-12 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-1/8-12-S
Set
Champion 308 1-1/8-7 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-1/8-7-S
Set
Champion 308 1-14 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-14-S
Set
Champion 308 1-12 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-12-S
Set
Champion 308 1-8 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-1-8-S
Set
Champion 308 7/8-14 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-7/8-14-S
Set
Champion 308 7/8-9 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-7/8-9-S
Set
Champion 308 3/4-16 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-3/4-16-S
Set
Champion 308 3/4-16 3-Pack Bottoming HSS Hand Taps
3 bottoming HSS hand tap(s); square shank
CHA-308-3/4-16-B
Set
Set
Champion 308 3/4-16 3-Pack Taper HSS Hand Taps
3 taper HSS hand tap(s); square shank
CHA-308-3/4-16-T
Set
Champion 308 3/4-10 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-3/4-10-S
Set
Champion 308 3/4-10 3-Pack Bottoming HSS Hand Taps
3 bottoming HSS hand tap(s); square shank
CHA-308-3/4-10-B
Set
Set
Champion 308 3/4-10 3-Pack Taper HSS Hand Taps
3 taper HSS hand tap(s); square shank
CHA-308-3/4-10-T
Set
Champion 308 11/16-16 3-Piece HSS Hand Tap Set
1 taper tap; 1 plug tap; 1 bottoming tap; same thread size
CHA-308-11/16-16-S
Set
Champion 308 11/16-16 3-Pack Bottoming HSS Hand Taps
3 bottoming HSS hand tap(s); square shank
CHA-308-11/16-16-B
Set
Champion 308 11/16-16 3-Pack Plug HSS Hand Taps
3 plug HSS hand tap(s); square shank
CHA-308-11/16-16-P
Set
Champion 308 11/16-16 3-Pack Taper HSS Hand Taps
3 taper HSS hand tap(s); square shank
CHA-308-11/16-16-T
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