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
- Non-ferrous metals
- Mild steel
- Steel
- Plastics
Recommended applications
Typical jobs and operations
- Mild steel, Aluminum, Brass, Copper, Plastics, Non-ferrous metals Deburring drilled holes Breaking sharp edges Countersinking flat-head screws Finishing operations Fabrication and maintenance work
- Holemaking
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 typeCountersinks
Tool subtypeZero-Flute Countersinks
Detailed styleHSS · 82°
Manufacturer seriesCSK
Series familyCSK
Measurement systemImperial
Tool materialHigh-speed steel
Manufacturer part numberCSK5S
Dimensions & fit
SizeNo. 4, 5
Cutting diameter17/64
Overall length1-1/2
Shank diameter1/4
Pack quantity1
Cutting geometry
Countersink angle82.0°
04 -- Why Choose this series
Series advantage
Why choose the CSK series
CSK
Chatter-Free Zero Flute Geometry — The continuous cutting edge virtually eliminates vibration, producing a smoother finish than traditional multi-flute countersinks, especially on thin or soft materials.
Features supporting this advantage
- Chatter-Free Zero Flute Geometry — The continuous cutting edge virtually eliminates vibration, producing a smoother finish than traditional multi-flute countersinks, especially on thin or soft materials.
- High-speed steel
05 -- Compatibility & What's Included
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 CSK5S 82° HSS Pilotless Zero-Flute Countersink | No. 4, 5 Screw Size
The CSK5S is a Champion zero-flute countersinks in the CSK series.
Chatter-Free Zero Flute Geometry — The continuous cutting edge virtually eliminates vibration, producing a smoother finish than traditional multi-flute countersinks, especially on thin or soft materials.
Technical Specifications
| Manufacturer part number | CSK5S |
|---|---|
| Degree | 82 |
| Diameter Of Cut / Screw Size | No. 4, 5 |
| Body Diameter (IN) | 17/64 |
| Overall Length (IN) | 1-1/2 |
| Shank Diameter (IN) | 1/4 |
| Order quantity multiple | 1 |
Use a compatible machine or holder, the correct speed and feed, and appropriate personal protective equipment. Follow the manufacturer’s instructions.
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
Built for the way businesses buy
For distributors, wholesalers, machine shops and contractors: apply for Net 30 terms, email a PDF purchase order or request tailored business pricing.
Canada & United States
Purchasing in CAD
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PDF purchase orders accepted directly by email
Targeted pricing based on products, quantities and repeat needs
Credit decisions are usually completed in 2–3 business days. No minimum order is required to apply.