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Alpha CNC Core Bits for Porcelain & Sintered Slabs
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At a Glance
Quick Decision Guide
Diameter
1-1/4"
Thread
1/2" Gas
Maximum Speed
4,000 RPM
Materials
Porcelain and sintered slabs
Why Choose This Product
Key Benefits
Wet Machine Drilling
Designed for wet drilling with CNC machines and radial arm workstations.
Vitreous Material Compatibility
Cuts porcelain, sintered slabs, Dekton®, Neolith®, crystallized glass, and other vitreous materials.
Reduced Bottom Blow-Out
The selected diamonds and matrix help protect the material where the bit exits.
Purpose-Built Tool Connection
A 1/2" Gas thread fits compatible CNC and radial arm tool holders.
Two Hole Diameters
Choose a 1-1/4" or 1-3/8" core bit for the required finished hole size.
Documented Working Parameters
Published speed and traverse settings help establish a consistent machine setup.
Product Information
Product Details
About This Product
Alpha CNC Core Bits for Porcelain & Sintered Slabs
Alpha CNC Core Bits are wet drilling tools developed for porcelain, sintered slabs, Dekton®, Neolith®, crystallized glass, and other vitreous materials. They give fabrication professionals a purpose-built option for producing holes with CNC machines and radial arm workstations.
Designed to Minimize Bottom-Side Blow-Out
The diamonds and matrix are selected to minimize blow-out where the bit exits the material. This is especially valuable during upside-down CNC router fabrication, where protecting the bottom edge of the hole helps produce a cleaner finished result.
CNC and Radial Arm Tool-Holder Compatibility
Each Alpha CNC Bit uses a 1/2" Gas thread designed for compatible tool holders. Available 1-1/4" and 1-3/8" diameters accommodate two common hole sizes while sharing the same material recommendations, maximum operating speed, and published traverse parameters.
Specifications
Brand
Alpha Professional Tools
Part Number
DND01250
UPC
749173461712
Product Type
Wet CNC diamond core bit
Diameter
1-1/4"
Thread
1/2" Gas
Machine Compatibility
CNC machines and radial arm workstations
Operating Method
Wet
Recommended Materials
Porcelain, sintered slabs, Dekton®, Neolith®, crystallized glass
Recommended / Maximum Speed
4,000 RPM
Traverse Speed
1-1/4" (30 mm)/min
Traverse Exit Speed
5/8" (15 mm)/min
Parameter Basis
3/4" (2 cm) material
Packaged Weight
0.40 lbs
Package Dimensions
6.25" x 1.5" x 1.5"
Country of Origin
Italy
Common Questions
Frequently Asked Questions
What materials can Alpha CNC Core Bits drill?
Alpha recommends these bits for porcelain and sintered slabs, including Dekton® and Neolith®, as well as crystallized glass and other vitreous materials. The material should be compatible with wet CNC core drilling and the selected machine, tool holder, speed, and traverse settings.
Which machines are compatible with these core bits?
The bits are designed for CNC machines and radial arm workstations equipped with a compatible tool holder and wet-drilling system. They are not presented as hand-drill or angle-grinder bits. Confirm that the machine accepts the required 1/2" Gas thread before ordering.
Can the core bits be used for dry drilling?
No. Alpha identifies these products as wet core drill bits for CNC machines and radial arm workstations. They should be operated with the machine's appropriate water supply to support their intended cutting performance on hard porcelain, sintered slabs, and other vitreous materials.
What type of thread do the Alpha Core Bits use?
Both available sizes use a 1/2" Gas thread designed for attachment to a compatible CNC or radial arm tool holder. Verify the tool-holder specification before ordering because compatibility depends on the machine accepting this exact thread connection.
Which core-bit diameters are available?
The DND01250 has a 1-1/4" diameter, while the DND01375 has a 1-3/8" diameter. Both variants have a 1/2" Gas thread and 4,000 RPM maximum. Select the size that matches the required finished hole diameter and compatible tool holder.
How do the bits help minimize blow-out?
Alpha selects the diamond formulation and matrix to minimize blow-out at the bottom of the material. This is especially relevant because much CNC router fabrication is performed upside down, making the exit side of the hole an important consideration for finished-edge quality.
What working parameters does Alpha recommend?
For 3/4" (2 cm) material, Alpha lists 4,000 RPM, a traverse speed of 1-1/4" (30 mm) per minute, and a traverse exit speed of 5/8" (15 mm) per minute. These published parameters apply to both available core-bit diameters.
Can these bits drill materials outside the recommended list?
Alpha also lists crystallized glass and other vitreous materials, but the product is centered on porcelain and sintered slab fabrication. Compatibility with materials outside the manufacturer's recommendations should not be assumed. Confirm suitability before drilling any unlisted surface.