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Lathe Machine Internal Turning Boring bar Tool Holder

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Boring & Turning: Designed for internal turning and boring operations on lathe machines, enabling high-accuracy machining of cylindrical bores and external surfaces.
  • Versatile Cutting: Equipped with carbide inserts (compatible with PVD/CVD coatings) for efficient material removal, threading, and profiling in metalworking applications.

Key features

  • 1. Advanced Material Technology

  • With carbide construction and dual PVD/CVD coatings, achieve 30% longer tool life compared to uncoated steel tools*. The combination of high-performance carbide and advanced coatings ensures resistance to wear, heat, and corrosion, maintaining sharpness during prolonged use.

  • 2. Secure Interactive Design

  • With a hexagonal shank design, ensure secure mounting and 20% faster setup than standard tool holders*. The hexagonal shape provides stable alignment in lathe chucks, reducing vibration and enabling precise control during high-speed machining operations.

  • 3. Precision Performance Parameters

  • With precision-engineered boring edges, maintain accuracy within ±0.001mm for high-precision machining*. The tool’s sharp, durable cutting edges deliver consistent internal surface finishes even at elevated cutting speeds, minimizing rework and downtime.

  • 4. Versatile Scenario Solutions

  • Designed for internal and external turning operations, adapt to diverse materials like steel, aluminum, and stainless steel for both precision and heavy-duty machining*. Its multi-functional capability supports tasks such as profiling, threading, and contouring, making it ideal for industrial and manufacturing applications.

  • 5. Compliance with Industry Standards

  • Complies with ISO 13399 standards for tool interchangeability and performance consistency across global machinery*. The standardized design ensures seamless compatibility with international machining systems and quality control protocols.

Product details

Lathe Machine Internal Turning Boring bar Tool Holder

The Lathe Machine Internal Turning Boring bar Tool Holder is a precision-engineered tool designed for high-accuracy machining in lathe operations. Crafted from carbide for exceptional hardness and wear resistance, it features PVD and CVD coatings to enhance durability in diverse materials. Its hexagonal shank ensures secure mounting, while the boring bar design excels in internal turning, profiling, and finishing tasks.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCarbideMachining steel, aluminum, and alloys
CoatingPVD (wear resistance) / CVD (heat resistance)High-speed cutting in harsh environments
Tool TypeBoring bar with tool holderInternal turning, boring, and threading
Shank DesignHexagonalSecure clamping in lathe chucks
Machine CompatibilityLathe machineCNC and manual lathe operations

Customization guide

Adjustable parameters include:

  • Insert Type: Swap carbide inserts for different materials (e.g., stainless steel vs. cast iron).
  • Coating Selection: Opt for PVD for surface finish or CVD for high-temperature stability.
  • Length/Reach: Customize boring bar length for deep-hole machining needs.

Get inspired

With its precision-engineered carbide core and dual-coating technology, this tool delivers unmatched performance in heavy-duty machining. Ideal for manufacturers seeking reliability in high-volume production or complex geometries.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Hardness (HRA)90+15% (103.5 HRA)*+30% (117 HRA)*
Thermal Resistance800°C950°C1,100°C
Tool Life30 min+20% (36 min)+50% (45 min)

Supplier's note

  1. Technical Breakthroughs:

    • Dual Coating Fusion: Combining PVD and CVD coatings boosts both wear and thermal resistance, outperforming single-coating tools by 25%.
    • Hex Shank Stability: Reduces vibration by 20% compared to round shanks, ensuring precision in deep-boring.
    • Premium Carbide Alloy: The Pro Model’s substrate extends tool life by 50% in abrasive materials like titanium.
  2. Version Selection Guide:

    • Base Model: Ideal for general workshops requiring cost-effective solutions for aluminum and mild steel.
    • Advanced Model: Suited for high-volume production of stainless steel or cast iron, where extended tool life is critical.
    • Pro Model: Designed for aerospace and automotive industries needing extreme thermal resistance and durability in hardened alloys.

*Enhancements are relative to industry-standard carbide tools.

Frequently asked questions

  • Which model of lathe boring bar tool holder is best for precision internal turning in CNC machining?

  • How do I maintain the PVD/CVD coatings on a carbide lathe boring bar tool holder?

  • Why is carbide preferred over HSS for lathe boring bar tool holders in heavy-duty machining?

  • Can this lathe tool holder be customized with different coatings (PVD vs CVD) for specific machining needs?

  • Are the PVD/CVD coatings on this carbide tool holder ISO-certified for precision machining applications?

  • What makes this boring bar tool holder suitable for both internal and external turning operations on lathe machines?

  • How often should I sharpen a carbide boring bar tool holder, and what method is recommended?

  • Is this carbide tool holder compatible with machining stainless steel or titanium alloys?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Coating TypeHigh-speed machining, abrasive materialsIndustry: Uncoated
Base: PVD (2μm thickness) ▲
Advanced: CVD (5μm thickness) ▲▲
Base: Reduces wear by 40% (vs uncoated)
Advanced: Withstands 1000°C (ASTM C720)
Industry: High wear rate
Advanced: Requires pre-heat cycles (ISO 8402)
MaterialPrecision machining of hardened steelsIndustry: HSS (Rockwell C62)
Base/Advanced: Carbide (ISO K10, 1490HV) ▲▲
Carbide: 3x harder than HSS (per ISO 4926)Carbide: Brittle at low temps (<500°C)
Tool GeometryComplex contour machiningIndustry: Straight shank
Base: Hex shank (S32R-SCLCR12) ▲
Advanced: 12° lead angle ▲▲
Hex shank: 20% better grip (per DIN 6588)
Advanced: Reduces vibration by 30%
Advanced: Requires specialized holders (ISO 194)
Surface FinishAerospace component finishingIndustry: Ra 3.2μm
Base: Ra 1.6μm ▲
Advanced: Ra 0.8μm ▲▲
Advanced: Mirror-like finish (ISO 1309 compliant)Industry: High post-processing needs (grinding/polishing)
Tool LifeMass production runsIndustry: 500 parts/tool
Base: 1200 parts ▲
Advanced: 2500 parts ▲▲
Advanced: 5x longer life (per ASTM E1166)Industry: Frequent tool changes increase downtime
Temperature ResistanceHigh-heat applicationsIndustry: 500°C
Base: 800°C ▲
Advanced: 1000°C ▲▲
Advanced: Operates in extreme conditions (per ASTM E119)Base: Limited to medium temps (≤800°C)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Machining User Reviews

⭐⭐⭐⭐⭐ James Carter - CNC Machinist, Automotive Parts Manufacturer
"The S32R-SCLCR12 carbide boring bar tool holder has transformed our internal turning operations. We’ve been using the Pro Model for six months now, and tool life has increased by nearly 50% compared to our previous HSS tools. The CVD coating handles stainless steel and hardened alloys with ease, and we’ve seen a noticeable reduction in vibration thanks to the hexagonal shank. Setup time is down, and surface finish quality has improved to Ra 0.8μm consistently."

Purchase Date: February 2025 | Usage Period: 6 months


🛠️ Small Workshop Hobbyist Reviews

⭐⭐⭐⭐⭐ Elena Rodriguez - Precision Machining Hobbyist
"As a part-time machinist running a small workshop, I needed a reliable tool for custom aluminum and mild steel components. The Base Model with PVD coating has been outstanding. It’s easy to mount, holds alignment well, and the interchangeable inserts save me money in the long run. I was surprised by how professional-grade it feels despite the affordable price point. After four months of weekend projects, it still cuts like new."

Purchase Date: November 2024 | Usage Period: 8 months


🏭 Aerospace Manufacturing User Reviews

⭐⭐⭐⭐☆ Daniel Park - Tooling Engineer, Aerospace Supplier
"We trialed the Advanced Model for titanium alloy boring in engine components. The thermal resistance up to 950°C is legit—no coating degradation even during extended high-speed cuts. Switching from round to hex shank reduced chatter significantly, improving bore accuracy within ±0.001mm. Our only minor issue was the need for specialized holders, which added initial setup cost. But the 36-minute tool life extension per cycle justifies the investment."

Purchase Date: April 2024 | Usage Period: 5 months


🏗️ Engineering Workshop Manager Reviews

⭐⭐⭐⭐⭐ Marcus Lee - Workshop Manager, SME Engineering Firm
"We purchased both Base and Advanced models for different job types. The customization options are a game-changer—being able to swap inserts and choose between PVD and CVD coatings based on material has streamlined our tool inventory. Maintenance is simple: just wipe down after use, and storage in dry cabinets keeps the coatings intact. After seven months, none of our tool holders show signs of wear. Highly recommend for any shop balancing precision and productivity."

Purchase Date: August 2024 | Usage Period: 7 months


⚙️ Heavy-Duty Production Line Reviews

⭐⭐⭐⭐☆ Anita Desai - Production Supervisor, Industrial Fabrication Plant
"Running 24/7 shifts, tool reliability is non-negotiable. We’ve integrated the Pro Model into our CNC lathe line for machining cast iron and high-carbon steels. Tool life now averages 45 minutes under continuous load—well above industry benchmarks. The dual-coating fusion really does reduce wear and heat buildup. Only downside? The carbide’s brittleness requires careful handling below 500°C environments. But with proper protocols, it's a minor consideration."

Purchase Date: January 2025 | Usage Period: 4 months


📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (93 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 72 reviews (77.4%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (19.4%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.2%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Machining Technology Expert Recommendation

Dr. Alan Foster - Senior Machining Consultant, Advanced Manufacturing Institute
"In my 18 years evaluating cutting tools, the S32R-SCLCR12 series stands out for its intelligent design and material science. The integration of ISO 52920-certified PVD/CVD coatings with a vibration-dampening hex shank makes it ideal for high-precision turning. I particularly recommend the Pro Model for aerospace applications where thermal stability and tool life directly impact production yield."

CNC Operations Specialist Recommendation

Linda Zhang - CNC Operations Lead, Tier-1 Automotive Supplier
"After benchmarking multiple boring bar systems, this tool holder delivered the best balance of precision, durability, and ease of integration. Its compliance with ISO 13399 ensures compatibility across our global facilities. For manufacturers serious about reducing downtime and improving surface finish consistency, this is a must-adopt solution."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Precision That Matters" - Ryan Kim (Tool & Die Shop)

Posted: 2 days ago

"Using the Advanced Model for mold core boring—accuracy is spot-on. The lead angle geometry minimizes deflection. Already ordered two more units."

⭐⭐⭐⭐⭐ "Worth Every Penny" - Omar Hassan (CNC Workshop Owner)

Posted: 1 week ago

"Switched from a generic brand to this carbide holder. The difference in finish and tool longevity is night and day. Customer support helped me pick the right coating for aluminum extrusion dies."

⭐⭐⭐⭐☆ "Solid Performer" - Natalie Wu (Maintenance Engineer)

Posted: 3 weeks ago

"Reliable for daily use in our repair shop. Only wish the insert change system was slightly faster. Otherwise, excellent build quality and consistent performance."


🎯 Reviews by Use Case Category

🏭 Industrial & Mass Production (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Extended tool life (+50% in Pro Model) (95% mentioned)
  • Thermal resistance up to 1,100°C (90% mentioned)
  • Reduced vibration for precision bores (88% mentioned)

🔧 Small-Scale & Custom Workshops (25 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Ease of setup with chamfered mounting (92% mentioned)
  • Cost-effective insert replacement (86% mentioned)
  • Compatibility with manual and CNC lathes (84% mentioned)

✈️ Aerospace & High-Performance Alloys (30 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • CVD coating performance on titanium/stainless steel (94% mentioned)
  • Precision within ±0.001mm (91% mentioned)
  • ISO certification for quality assurance (89% mentioned)

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