79mm Pro Cobalt HSS Bi-Metal Hole Saw 3.1/8in Professional Cutting Tool CK Tools 424027
£14.87
Ex. VAT
(over £100+VAT, applies to zone A only , £6 +VAT otherwise)
Order online & collect in store
This is the 79mm Pro Cobalt HSS Bi-Metal Hole Saw 3.1/8in Professional Cutting Tool CK Tools 424027 available at SparksDirect.co.uk for the best price.
The CK Tools 424027 is a professional 79mm bi-metal hole saw from the CK PRO hole saw range, designed for electricians, installers and trade professionals who require clean, accurate and efficient hole cutting across a wide range of construction materials. It is intended for use with compatible arbors and power tools in both on-site installation and workshop applications.
Manufactured using premium-grade high-speed steel with 8% cobalt alloy construction, the 424027 is engineered for extended working life and improved wear resistance at high temperatures. Its hardened variable pitch tooth design supports rapid cutting action, efficient swarf removal and reduced vibration during operation.
Features and Benefits
- Premium grade 8% cobalt alloy steel construction for extended working life
- Excellent wear resistance at high temperatures
- Hardened variable pitch teeth for rapid cutting action
- Efficient swarf removal for smoother cutting performance
- Reduced vibration during operation
- Suitable for cutting metal, wood, aluminium, steel, cast iron, brass and plastics
- Professional-grade accessory for electricians and installers
- Part of the CK Tools PRO hole saw range
Technical Specs
- Product code: 424027
- Product type: Bi-metal hole saw
- Diameter: 79mm
- Material: Premium grade HSS with 8% cobalt alloy steel construction
- Tooth design: Hardened variable pitch teeth
- Compatible materials: aluminium, brass, cast iron, metal, steel, wood and plastics
- Product range: CK Tools PRO / Pro Cobalt holesaw range
- Arbor included: No
- Compatible accessories: CK-424039, CK-424040
- Application: Power tool accessory for circular hole cutting
Frequently Asked Questions
What size hole does the CK Tools 424027 cut?
It cuts a 79mm diameter hole suitable for larger installation and construction applications.
What materials can this hole saw be used on?
It is designed for cutting metal, steel, aluminium, brass, cast iron, wood and plastics.
What is the advantage of the cobalt alloy construction?
The premium 8% cobalt alloy steel construction is designed to improve wear resistance and extend working life, even at high temperatures.
Who Needs This Product?
This product is essential for electricians, plumbers, HVAC technicians, and general contractors. It is a highly useful addition to the toolkit of any professional who needs to create clean, precise 79mm holes in metal or wood for large conduit, ventilation, or pipework installations.
What Is This Used For?
This hole saw is used for creating clean, circular holes in a variety of industrial and construction materials. It is commonly employed for installing large electrical cables, ducting, and piping through metal sheets, wood panels, and plastic surfaces where large-diameter penetrations are required.
Reasons Electricians Recommend This
- 8% cobalt alloy construction improves durability and wear resistance
- Variable pitch teeth provide rapid cutting with reduced vibration
- Suitable for a wide range of installation materials including metal, wood and plastics
About CK Tools
CK Tools is a specialist manufacturer of professional hand and power tools for electricians and trade professionals. The company produces insulated VDE tools, cutting tools, hole saws, screwdrivers and storage systems designed for demanding electrical, industrial and construction environments. CK Tools is widely recognised across the trade sector for its focus on durability, safety and professional-grade performance.
About the PRO Range
The CK Tools PRO range is a professional series of power tool accessories designed for trade use. It includes bi-metal and cobalt-enhanced hole saws engineered for durability, precision and reliable cutting performance across a wide range of materials. The range supports electricians, installers and contractors working in electrical, mechanical and construction environments where consistent and accurate hole cutting is essential.
| Tools Specs | |
| Tool Type | Hole saw |
| Brand | CK Tools |
| Application | Cutting tool |
| Tool size | 79mm |
| Range | CK Tools PRO hole saws |
| Packaging type | Pack of 1 |
Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.
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Shipping
Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.
If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.
Returns
We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.
