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ULTRA-DEX® Cutting Tools Made In the USA

Boring Bars, Turning Tools, Indexable Drills & Mills, Inserts and Tool Holders

Ultra-Dex Boring Bars, Inserts & Indexable Cutting Tools

Shop Ultra-Dex tooling from ARCH Cutting Tools at Suncoast Precision Tools for boring, turning, grooving, threading, drilling and milling. Explore solid carbide micro-boring bars, indexable and modular boring systems, cutting inserts, rotary tool holders and replacement parts. Compare the tool body, insert requirements and mounting dimensions, then check the exact part number and available stock for your machining setup.

Solid Carbide Micro-Boring Bars

Find Ultra-Dex solid carbide micro-boring bars listed for minimum bores from .020 inch to .360 inch across the range. Compare minimum bore, maximum bore depth, shank diameter, overall length and coating. Choose the exact tool for the internal feature and available clearance; the minimum bore differs by part number.

Indexable Internal Boring Bars

Browse round-shank indexable bars for internal boring, grooving and threading, plus boring bar and insert kits. Compare minimum bore, shank diameter, cutting hand, clamp style, usable length and insert designation. Select the bar and insert together so the cutting edge, pocket and workpiece requirements match.

Modular Boring Bars & Heads

Build a compatible internal tooling setup with Ultra-Dex modular bars and interchangeable boring, grooving or threading heads. Compare connection style, head diameter, minimum bore, shank dimensions and the insert specified for the head. The bar, head and cutting insert are separate selections; confirm the listed components before ordering.

STEALTH Anti-Vibration Boring Systems

Explore STEALTH modular boring bars and matching insert heads for extended-reach internal machining. The listed modular bar range includes 5xD through 14xD options. Match the bar model, connection, head size, minimum bore and usable reach, then follow the selected system's clamping and setup guidance.

External Turning, Grooving & Threading

Shop square-shank Ultra-Dex holders for outside-diameter turning, grooving and threading. Compare the operation, cutting hand, shank size, overall length and clamping style. Match the holder to the specified insert shape and size, then choose the insert grade and geometry for the material and cut.

Turning, Grooving & Threading Inserts

Compare Ultra-Dex boring and turning inserts, grooving inserts and threading inserts. The boring and turning range includes CBN- and PCD-tipped options. Match the complete insert designation, size, corner radius or groove width, hand and grade to the toolholder and workpiece. A similar shape alone does not establish compatibility.

UD 926 Indexable Drills

Browse UD 926 indexable drills in the listed 2xD, 2.5xD and 4xD depth families, along with WCMT and WCMX drill inserts. Compare drill diameter, usable depth, shank size and required insert designation. Confirm the insert size and grade specified for the selected drill body before ordering replacements.

Indexable End Mills, Face Mills & Chamfer Mills

Explore shoulder and profile/button end mills, face mills, and indexable chamfer mills. Compare cutting diameter, tooth count, mounting dimensions and insert requirements. Milling families use designated APKT, RCKT, RCMT or RDKW inserts as listed; the chamfer tools have their own TCMT insert requirements.

Rotary Tool Holders & Collets

Find CAT and HSK holder options, including Weldon side-lock end mill holders, ER collet chucks and shell mill holders. The range also includes ER extensions and collets. Match machine taper, tool-shank or pilot size, collet series and gage length. Check the holder configuration and required accessories as a complete assembly.

Choose the Body, Insert & Connection Together

Start with the operation and work material, then confirm tool-body dimensions and the complete insert designation. For modular systems, also match the bar-to-head connection and usable reach. Review the tool listing and ARCH catalog for the required screws, seats and other components rather than assuming they are interchangeable.

Complete the Setup with Holders & Accessories

The Ultra-Dex selection also includes tool-holding bushings, machinable blank holders, ISO milling bars, Jacobs taper holders, ER collet sets and retention knobs. Compare the specified dimensions and applicable tool or machine connection when selecting a replacement or completing a new setup.

Ultra-Dex Tool Selection Questions

What types of Ultra-Dex tools does Suncoast offer?
The section includes micro-boring bars, indexable and modular boring systems, turning holders, grooving and threading tooling, inserts, indexable drills and milling cutters, rotary tool holders, collets and replacement parts.
Are all Ultra-Dex boring bars indexable?
No. Ultra-Dex also offers solid carbide micro-boring bars. Indexable bars use replaceable inserts, while modular systems combine a bar with a compatible head and its specified cutting insert. Compare the construction of the exact item.
What should I check when selecting a STEALTH boring system?
Compare minimum bore, bar diameter, usable reach, connection and head size. Review the selected bar's setup guidance and match the modular head and insert to the operation. The reach and supported configuration depend on the specific model.
Will any insert of the same shape fit my tool?
Do not choose by appearance alone. Match the full insert designation, size, thickness, clearance and clamping requirements to the tool listing. Then select the grade, chipbreaker and cutting geometry for the work material and operation.
How do I choose a rotary tool holder?
Match the machine interface first, such as the specified CAT or HSK connection. Then compare the tool-shank or pilot size, collet series where applicable, gage length, coolant arrangement and required accessories.
How do I find a replacement part or check stock?
Use the complete tool or component part number, and confirm the applicable tool, size and configuration in the listing. Review local or factory availability shown for the exact item and quantity before ordering. The hardware category and ARCH catalog can help identify matching components. You can also use product links in the interactive ARCH catalog to shop online at Suncoast Precision Tools.

Shop the ARCH Family at Suncoast

Return to the ARCH overview to compare related tool families. KEO adds hole-preparation and specialty milling cutters, while Patriot HP provides carbide end mills, coolant drills and its own indexable series. Match replacement inserts and components to the exact Ultra-Dex tool you are using. For help with a selection, contact Suncoast Precision Tools.