


The 50mm Boring Head Set with MT3 Holder is a precision machining solution designed for accurate boring, facing, and internal machining operations on milling machines and machining centers. Supplied as a complete 9-piece 12mm boring bar set, this kit offers excellent versatility, fine adjustment, and stable performance for both workshop and industrial applications.
High-Precision 50mm Boring Head
Precision-machined 50mm boring head with fine feed control ensures accurate hole sizing and smooth internal finishes.
MT3 Morse Taper Holder for Rigid Mounting
Supplied with MT3 holder and 1-1/2"-18 mounting thread, providing secure, concentric mounting in milling machine spindles.
Wide Boring Diameter Range
Capable of boring from a minimum diameter of 10mm up to a maximum of 150mm, making it suitable for a wide range of machining tasks.
Controlled Boring Depth
Supports a maximum boring depth of 50mm, ideal for precision internal operations.
Includes 9pcs 12mm Boring Bars
Comes complete with 9 high-quality boring bars, all 12mm diameter, with lengths ranging from 55mm to 115mm, offering flexibility for different reach and cutting requirements.
Multiple Tool Mounting Positions
Features 2 vertical and 1 horizontal mounting positions for 12mm diameter boring bars, allowing versatile tool setup and machining angles.
Fine Adjustment for Accuracy
Minimum graduation of 0.02mm enables precise diameter adjustments for high-tolerance boring applications.
Drawbar Thread for Secure Holding
Equipped with M12 drawbar thread for safe and stable retention during machining.
Durable & Workshop-Ready Construction
Designed for long service life with consistent accuracy in professional workshops, toolrooms, and home machining environments.
Boring Head Diameter: 50mm
Holder: MT3 Morse Taper
Mounting Thread: 1-1/2"-18
Drawbar Thread: M12
Boring Diameter Range: 10mm β 150mm
Maximum Boring Depth: 50mm
Minimum Graduation: 0.02mm
Boring Bars Included: 9 pcs
Boring Bar Diameter: 12mm
Boring Bar Lengths: 55mm β 115mm
Tool Mounting: 2 Vertical + 1 Horizontal (12mm)
Milling and boring operations
Precision hole enlargement and internal finishing
Toolrooms, workshops, and machining centers
Professional machinists and hobby engineers
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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Nam tempus turpis at metus scelerisque placerat nulla deumantos solicitud felis. Pellentesque diam dolor, elementum etos lobortis des mollis ut risus. Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras loremos.
Nam tempus turpis at metus scelerisque placerat nulla deumantos solicitud felis. Pellentesque diam dolor, elementum etos lobortis des mollis ut risus. Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras loremos.
Nam tempus turpis at metus scelerisque placerat nulla deumantos solicitud felis. Pellentesque diam dolor, elementum etos lobortis des mollis ut risus. Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras loremos.
