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
- Stainless steel
- Tough alloys
- Aluminum
- Steel
Recommended applications
Typical jobs and operations
- Aluminum Steel Stainless Steel Titanium Alloys Other hard-to-drill materials
- Holemaking
Compatible machines
Equipment and operating methods
- Portable drill
- Drill press
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 typeDrill Bit Sets
Tool subtypeMechanics-Length Drill Bit Sets
Detailed styleHeavy-Duty HSS
Manufacturer series121-XL28
Series family121
Measurement systemImperial
Tool materialHigh Speed Steel
Manufacturer part number121-XL28
Dimensions & fit
Size1/16"to 3/8"x 64ths
Drill / wire / letter designationO
Increment1/64 in
Cutting diameter1/16"to 3/8"x 64ths
Pack quantity1
Set piece count21
04 -- Why Choose this series
Series advantage
Why choose the 121-XL28 series
121-XL28
NoMo surface-treated HSS with a 135° self-centering split point, flatted shank and short mechanics-length design
Features supporting this advantage
- NoMo surface-treated HSS with a 135° self-centering split point, flatted shank and short mechanics-length design
- High Speed Steel
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
- 21-piece set
- fractional sizes 1/16" to 3/8" x 64ths
- metal storage case
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 121-XL28 Brute XL28 Mechanics Drill Set – 1/16"–3/8" x 64ths
121-XL28 is a Champion Brute XL28 heavy-duty mechanics-length drill set with 21-piece of NoMo surface-treated high-speed steel drills. The set covers 1/16"–3/8" x 64ths in a compact format designed for rigid, controlled drilling.
Set Inclusions
21-piece set; fractional sizes 1/16" to 3/8" x 64ths; metal storage case.
Key Benefits
- 135° self-centering split point helps prevent walking for fast, accurate holes.
- NoMo surface-treated HSS enhances drilling performance and supports longer tool life.
- Flatted shanks provide a tight fit in compatible keyless cordless drill chucks.
- Short mechanics-length design adds rigidity and operator control.
- Tapered web geometry supports fast penetration and added drill strength.
- Made in USA and organized in a durable metal storage case.
Applications
- Aluminum, steel and stainless steel
- Titanium alloys and other hard-to-drill materials
- Handheld power drills and drill presses
- Professional maintenance, fabrication and metalworking
Technical Specifications
| Manufacturer part number | 121-XL28 |
|---|---|
| Series | Champion Brute XL28 |
| Product type | Heavy-duty mechanics-length drill set |
| Set size | 21-piece |
| Included sizes | 1/16"–3/8" x 64ths |
| Tool material | NoMo surface-treated high-speed steel |
| Point style | 135° self-centering split point |
| Shank | Flatted shank |
| Drill length | Mechanics length |
| Drill geometry | Tapered web geometry |
| Performance level | Heavy duty |
| Drilling application | Stainless steel and tough alloys |
| Storage | Metal storage case |
| Country of origin | Made in USA |
| Package quantity | 1 set |
How to Use
Select the drill size required for the hole and use the 121-XL28 with a compatible handheld power drill or drill press. Use the correct speed, feed and workholding for the material, apply suitable cutting fluid for difficult alloys and clear chips regularly.
Cutting tools may chip or shatter if misused or overloaded. Secure the workpiece, wear eye protection and follow the drill and machine manufacturer's operating instructions.
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
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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