by Bernard Martin

Anyone who has spent time boring holes already knows the rules. You pick the bar based upon lenght to diameter ratios, depth, material, and tolerance before the tool ever gets near the spindle. And that's the mindset Canela designs their boring bars around.

Canela boring bars are built for internal turning, boring, and facing jobs/ When you’re holding size inside a bore, the bar has to behave exactly the way you expect, especially as reach increases.

The standard steel boring bars cover diameters from 8 mm to 50 mm, or roughly 0.315" to 2.000", with overall lengths up to 400 mm (~15.75"). For most day-to-day work, these bars are designed to run comfortably in the common 4:1 to 6:1 length-to-diameter range. That’s the sweet spot where rigidity is predictable and surface finish stays under control without slowing the process down.

When the print requires reach beyond what a steel bar can realistically support, Canela offers heavy metal boring bars manufactured from tungsten alloy. The higher density of tungsten increases the mass of the bar, which improves damping and reduces deflection as overhang increases. That added mass helps control vibration at longer L/D ratios, keeping the cutting edge stable and the bore on size. In deeper boring applications, where a steel bar starts to lose rigidity and starts to chatter, the heavy metal bar maintains consistent cutting behavior.

Material selection and heat treatment are handled with the same practical approach. The steel bars are manufactured from 42CrMo4, alloy steels, and through-hardened to approximately 38–42 HRC. That means rigidity without brittleness and a bar that holds up many many machine cycles.

Coolant-through options are available across much of the lineup, which becomes increasingly important as depth increases. Delivering coolant directly to the cutting edge improves chip evacuation, keeps heat from building up in the bore, and helps maintain consistent cutting conditions. For deep holes or tougher materials, that direct coolant path makes the process far more repeatable.

Canela organizes its boring bar lineup by insert orientation and clamping method, because those two factors directly control rigidity, insert security, and cutting behavior. Each style exists for a reason.

• Negative Boring Bars – Dimple Lock - These bars use negative, double-sided inserts secured with a dimple-style locking interface. The design provides repeatable insert positioning and solid seating under load. This style is typically chosen for general roughing and semi-roughing work where insert stability and consistent edge location matter more than low cutting pressure.
  
• Negative Boring Bars – Wedge Clamp (Double Lock) -Wedge clamp double-lock bars are built for higher cutting forces and more demanding conditions. The wedge system mechanically drives the insert into the pocket, improving clamping force and resistance to movement. These bars are well suited for heavier cuts, tougher materials, and interrupted bores where insert security is critical.
  
• Negative Boring Bars – Lever Lock - Lever lock designs focus on fast, positive insert retention with strong mechanical engagement. They’re often selected in production environments where repeatability and quick insert changes are important, while still maintaining the rigidity expected from a negative insert platform.
  
• Positive Boring Bars – Top Clamp - Positive top-clamp bars combine lower cutting forces with improved insert access. The top clamp provides additional security compared to a simple screw while keeping cutting pressure manageable. These bars are commonly used for semi-finishing and finishing operations, particularly in smaller bores or longer overhangs where stability benefits from reduced radial load.
  
• Positive Boring Bars – Center Screw - Center screw positive bars are the simplest and most compact configuration in the lineup. They prioritize low cutting forces and clean cutting action, making them a good choice for finishing work, lighter cuts, and applications where bore size or tool access is limited.
  
• Anti-Vibration Tools - For extended reach applications, Canela offers dedicated anti-vibration boring bars. These bars are designed to suppress chatter and control vibration when standard steel bars approach their practical limits. They’re intended for deeper bores and tighter tolerances where maintaining stability over long overhangs is non-negotiable.
  

Insert compatibility is where the Canela system really opens up. Depending on the bar style and clamping method, Canela boring bars are designed to accept a wide range of ISO insert shapes, including T, W, C, S, D, and V styles.

That gives you access to both positive and negative inserts, multiple corner angles, and a broad selection of chipbreaker and grade options. Whether the job calls for fine finishing, general boring, or heavier roughing cuts, you can select the insert geometry that best matches the material, depth of cut, and stability requirements instead of being forced into a single insert style.

When boring operations are approached the right way, these bars provide the rigidity, control, and consistency needed to hit size and finish without drama.

Factory Tooling Solutions is excited to announce our return to the Wichita Industrial Trade Show 2025 (WITS), taking place October 21–23, 2025 at the Century II Performing Arts & Convention Center in Wichita, Kansas. As one of the largest regional manufacturing and machining trade shows in the Midwest, WITS 2025 brings together professionals from across the industrial, aerospace, agricultural, and energy sectors to explore the latest in machine tools, precision tooling, automation, workholding, and metalworking technology.

Held every other year since 1974, the Wichita Tool Show has built a strong reputation as a must-attend event for manufacturers, engineers, and industry leaders throughout Kansas, Oklahoma, Missouri, and surrounding states. Factory Tooling Solutions will be showcasing product innovations from all 19 of our world-class principals, giving attendees a hands-on look at the cutting tools, toolholding systems, workholding, and metalworking fluids that drive manufacturing efficiency and precision.

Our booth will feature a wide-ranging display of tooling innovations and solutions from all of the world-class principals we represent. This is a great opportunity to get hands-on with the latest products featured on our website and speak directly with the FTS team about your application challenges.

Explore the Full Factory Tooling Solutions Lineup
You’ll find product samples and technical displays from across our lineup, including:
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• Boneham Metal Products (BMP) – Dowel pins, drill bushings, and custom precision components
• Carmex – Thread milling tools, DMT carbide, and laydown inserts
• Canela – Lathe holders, ISO boring bars, and turning tools
• Dümmel – Ultra Mini and Swiss Line micro-machining tools
• Everede – Specialty boring bars, indexable ANSI tools, and custom form tools
• Fullerton Tool – High-performance end mills like VMAC, Fury, and Aluma series
• Greenleaf – Advanced ceramic inserts and tooling for titanium and Inconel
• Hangsterfer’s Laboratories – High-performance coolants like 5080, Hardcut GTL, and S 500CF
• HEULE Tool – COFA, BSF, and other automated back chamfering and deburring tools
• Huot – ToolScoots, CNC tool storage systems, drill dispensers
• Jergens Workholding – Ball Lock, 5-Axis vises, tombstones, and quick-change fixturing
• MAPAL – Replaceable head reamers, QTD indexable drills, and PCD tooling
• Nine9 – Spot drills, chamfer mills, engraving and centering tools
• OMG – Right angle heads, speed increasers, and facing heads
• Rego-Fix – Powergrip, ER collets, and RE Cool coolant-through technology
• Riten Industries – Live centers, face drivers, and workholding support products
• Rocky Mountain Twist – Cobalt drills, threaded shank drills, and micro stop countersinks
• Superior Abrasives – Quick-change discs, flap wheels, and convolute finishing products
• Tanis Brush – Disc brushes, bore hone brushes, and abrasive filament tools

See What’s New – and What’s Next
If you’re looking to stay competitive in precision manufacturing, you won’t want to miss this event. Our team will be on-hand to guide you through tooling strategies, help identify cost-saving opportunities, and match your application with the right products.

Whether you’re optimizing for cycle time, surface finish, or material removal rates, FTS has the solutions to help you stay ahead.

We look forward to seeing you in Wichita this October!

by Bernard Martin

Rigidity and stability are the foundation of success in CNC turning operations — and Canela lathe holders, available through Factory Tooling Solutions, are engineered to deliver exactly that. Designed for reliable performance across a wide range of turning applications, Canela holders provide the rigidity and repeatability needed to keep your shop productive and your parts in spec.

A Full Range of Solutions for Turning Applications
Canela offers one of the industry's most versatile selections of lathe holders, supporting both ISO and ANSI standards. Whether you are performing roughing on high-temp alloys or fine finishing features on precision components, Canela holders are built to keep operations stable, consistent, and efficient.

Available styles include:

• External Turning Holders – Built for secure insert clamping and excellent chip evacuation in light and heavy turning operations.
• Internal Boring Bars – Designed with vibration-resistant construction to ensure clean, precise internal surfaces.
• Threading Holders – Stable platforms for forming accurate external and internal threads across a wide variety of materials.
• Grooving and Parting Holders – Reinforced to minimize deflection and ensure straight, predictable cuts even in challenging operations.

Supporting a Wide Range of Insert Styles
Canela lathe holders are compatible with popular insert geometries, allowing shops to match tooling to the exact demands of the job:

• C-Style Inserts (80° Diamond) – Ideal for general turning and facing with excellent strength and versatility.
• D-Style Inserts (55° Diamond) – Best suited for profiling, contouring, and finishing work in tight spaces.
• T-Style Inserts (Triangle) – Perfect for heavy-duty turning and applications requiring multiple cutting edges.
• W-Style Inserts (80° Parallelogram) – Offering extra strength for interrupted cuts and heavy roughing tasks.

Each holder is precision-manufactured to maintain insert stability under load, enhancing surface finish quality and extending tool life.

Engineered for Stability, Built to Perform
Every Canela toolholder body is heat-treated for maximum strength and finish-ground to ensure precise insert location and repeatable cutting performance. This manufacturing precision makes Canela a trusted choice across industries such as aerospace, energy, automotive, and general engineering, where stability at the tool tip directly impacts production efficiency and part quality.

Why Choose Canela Lathe Holders from Factory Tooling Solutions?
Factory Tooling Solutions provides full access to Canela’s extensive line of lathe holders, backed by knowledgeable support and fast delivery options. Our team works closely with customers to recommend the right combination of holder and insert for optimized stability, reduced cycle times, and consistent machining results.  Contact Factory Tooling Solutions if you have any questions or would like to schedule a demonstration.