WALTER Indexable Boring Bar: A20S-SDQCR11-R (MPN 5204665)
SKU 3G-OTH-219581
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Frequently Asked Questions
What is the WALTER A20S-SDQCR11-R indexable boring bar used for?
The WALTER A20S-SDQCR11-R is an indexable boring bar designed for internal turning operations in metalworking. It is used to enlarge, finish, or contour pre-drilled holes in workpieces made of steel, stainless steel, or cast iron. Common applications include automotive, aerospace, and general machining industries where precision bore diameters and surface finish are critical.
What are the specifications of the WALTER A20S-SDQCR11-R boring bar?
The WALTER A20S-SDQCR11-R indexable boring bar has manufacturer part number 5204665. It accepts SDQCR11-style inserts and features a 20 mm shank diameter. The bar is designed for internal turning with a right-hand cutting direction. For detailed dimensions, insert compatibility, and cutting data, consult the WALTER technical catalog.
Where to buy the WALTER A20S-SDQCR11-R boring bar worldwide?
You can source the WALTER A20S-SDQCR11-R indexable boring bar worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for pricing and lead time on this WALTER tool.
How to select the correct insert for the WALTER A20S-SDQCR11-R boring bar?
To select the correct insert for the WALTER A20S-SDQCR11-R boring bar, use SDQCR11-style indexable inserts. Match the insert grade to your workpiece material (e.g., coated carbide for steel, uncoated for aluminum) and choose the appropriate nose radius for your surface finish requirements. Always verify insert dimensions against the tool holder specifications.
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3G Electric supplies WALTER indexable boring bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















